Table of Contents

4 sections 8 min read

Maintaining a Toro zero turn mower requires precise replacement components that match OEM specifications exactly, yet shoppers often struggle with fitment errors, premature wear on aftermarket blades, and decks that fail under heavy grass loads. Selecting the right Toro Ztr parts such as high-flow blades, PTO clutches, spindles, and V-belts can determine whether your mower delivers clean cuts or leaves uncut strips and vibration issues across large properties. Compatibility with specific deck sizes like 44-inch, 52-inch, or 54-inch models, along with center hole diameters of 5/8 inch and correct rotation directions, frequently becomes the main pain point for owners of TimeCutter, Titan, and Z Master series units. Without verifying serial numbers and OEM part codes, even high-rated options risk installation failures that lead to downtime during peak mowing seasons. Exploring options similar to those for small zero turn lawn mowers helps highlight how deck geometry and drive systems influence part longevity.

When evaluating the best Toro Ztr in August 2026, prioritize exact OEM part number matches, material resistance to heat and abrasion, and included hardware kits for secure installation across 15 carefully assessed options. Critical factors center on blade length and thickness for airflow, clutch pulley diameters for engagement reliability, and spindle height for deck balance, ensuring seamless performance on Toro commercial and residential zero turns from brands including Toro, The ROP Shop, Kuumai and more.

1
Best Seller

ELITEWILL ACS6000ULS Mower Chute Blocker for Zero Turn Mowers

ELITEWILL
9.5 /10
CSMSM Score
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Updated: Jul 24, 2026
Last update on Jul 24, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API.
Pros & Cons

Pros

  • Compatible with several major mower brands, including Ferris, Exmark, Gravely, Hustler, Toro, and Kubota.
  • Steel build offers better durability than lightweight plastic alternatives in heavy-use mowing.
  • Flip-up and drop-down operation makes it practical for switching mowing styles on the fly.
  • Clear fitment guidance is provided for fabricated decks with a flat surface and squared discharge opening.

Cons

  • Hole alignment may vary by model, so additional drilling may be needed for proper installation.
  • Fitment is limited to mowers with fabricated decks and a squared discharge opening, so it is not universal.
  • At 15 pounds, it is heavier than basic chute covers and may feel more substantial during installation.
Detailed Review

Overview: The ELITEWILL ACS6000ULS is a mower chute blocker designed for zero turn mowers with fabricated decks and a squared discharge opening. It is built from steel and finished in black, giving it a sturdy, utilitarian look that matches commercial-style mowing setups.

Performance: Its main advantage is fast switching between side discharge and mulching. The flip design allows you to open the chute for tall or wet grass, then drop it down to keep clippings under the deck for finer mulching and lawn cleanup.

Drawbacks and considerations: Fitment is not universal. Hole alignment may vary by model, so some users may need to drill additional mounting points. Buyers should also confirm deck shape and mower compatibility before ordering, since it is intended for specific brands and fabricated decks only.

Verdict: This chute blocker is a practical option for zero turn mower owners who want quick control over grass discharge and mulching performance. It offers the most value to users with compatible Ferris, Exmark, Gravely, Hustler, Toro, or Kubota mowers who are comfortable verifying fit before installation.

2
Editor's Pick

Anxingo 136-7840 127-9289 Carburetor Replacement Kit for Toro TimeCutter ZTR Exmark

Anxingo
9.9 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Direct aftermarket replacement covering multiple listed part numbers for Toro and Exmark ZTR units
  • Comprehensive package with carburetor, dual fuel pumps, spark plugs, gaskets, filters, and cleaning tools
  • Helps keep engines running smoothly by addressing oil and fuel management issues
  • Visual match to stock parts confirmed via provided photos for straightforward installation

Cons

  • Requires careful photo comparison to stock unit because exact fit is not guaranteed without verification
  • Aftermarket design limited strictly to the listed Toro TimeCutter and Exmark Quest model series
  • No additional material, dimension, or long-term durability specifications supplied beyond the included components
Detailed Review

The Anxingo 136-7840 carburetor replacement arrives as a ready-to-install aftermarket kit aimed at Toro TimeCutter ZTR and Exmark E-Series Quest owners. Its primary build centers on matching original part geometry so the unit seats correctly, and the overall impression is a practical all-in-one solution rather than a single component purchase.

In real-world use the kit supports consistent engine performance by restoring proper fuel delivery and spark. The included carburetor, fuel pumps, gaskets, shut-off valve, filters, fuel line, and cleaning tools allow a full refresh of the fuel system, reducing risks of oil starvation or leakage on Radius S-Series machines.

Drawbacks include the need to cross-check the supplied photos against the existing part for exact visual identity, plus the restriction to only the listed part numbers 136-7840, 127-9289, and 136-7842. Users seeking broader model coverage or OEM-only components may find the aftermarket nature limiting.

Overall this kit delivers solid value for owners of compatible Toro TimeCutter ZTR and Exmark Quest mowers who need a complete carburetor and fuel-system refresh to restore smooth operation without hunting individual pieces.

3
Limited Time

Toro Genuine OEM 115-9650-03 54" Blades for Titan ZX5400 ZTR 6-Pack

Toro
9.6 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Authentic Toro OEM quality for precise model-specific fit
  • Accurate 18 3/4" length optimized for 54" cutting decks
  • Standard 5/8" center hole for secure and balanced installation
  • Convenient 6-pack ideal for full deck replacement
  • Designed exclusively for Toro Titan ZX5400 Zero Turn ZTR mowers

Cons

  • Restricted compatibility to Toro 54" Titan ZTR series models only
  • No mounting hardware or balancing tools included in the pack
  • Blades require periodic sharpening and proper installation for ongoing safety
Detailed Review

The Toro Genuine OEM 115-9650-03 is a 6-pack of high-quality lawn mower blades built as original equipment for 54" Titan ZX5400 Zero Turn ZTR riding mowers. These blades deliver a solid first impression through their manufacturer-matched design that prioritizes exact fit and reliable construction for everyday mowing needs.

Performance centers on the specified dimensions of 18 3/4" length and 5/8" center hole, which enable efficient cutting across the full deck width on compatible zero turn models. This setup supports clean, consistent results during real-world use on residential or larger properties, restoring the mower to original cutting capability without aftermarket compromises.

Key considerations include the narrow compatibility limited strictly to Toro 54" Titan ZTR series machines, meaning owners of other brands or deck sizes will need alternatives. The pack also omits any installation accessories, so users must ensure correct mounting and balancing independently to avoid vibration or safety issues.

In verdict, the Toro 115-9650-03 blades provide the strongest value for Titan ZX5400 owners seeking authentic OEM replacements to maintain peak mowing performance. Those with matching equipment will appreciate the multi-pack convenience and precise engineering for reliable long-term use.

4
Top Rated

SGTBQLL 108-4056 Extension Spring for Toro ZTR Mowers, Deck Linkage Replacement

SGTBQLL
9.8 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Matches the OEM reference number 108-4056 for straightforward replacement planning
  • Listed for multiple Toro ZTR mower models, including Commercial and Titan units
  • Metal build supports consistent tension on the deck linkage
  • Installable without modification when used on the correct compatible mower

Cons

  • Compatibility is limited to the specified Toro models and deck configuration, so fitment must be verified before buying
  • Sold as 1 piece only, which may not be ideal if more than one spring needs replacement
  • The product data does not provide detailed installation hardware or step-by-step instructions
Detailed Review

Overview: The SGTBQLL 108-4056 is an extension spring made as a direct replacement for Toro ZTR mower deck linkage. It is designed for Commercial and Titan models including ZX4800, ZX4820, 74141TE, and 74141, with fitment also listed for 3 3/4" x 7/8" deck models.

Performance: Its metal construction is intended to maintain proper tension on the deck linkage, helping the mower operate as expected during regular use. For owners dealing with a worn or damaged spring, this type of replacement can be a practical maintenance fix.

Considerations: Compatibility is the main factor to verify. This part is limited to the specified Toro models and deck setup, and the listing does not claim universal fit. It is also sold as a single piece.

Verdict: This is a sensible option for Toro owners who need a straightforward replacement spring and want to avoid modification work. It fits best as a routine repair part for users who already know their mower model and deck dimensions.

5

The ROP Shop OEM Toro 3 Blade Set for TimeCutter SS5000 SS5060 MX5060 ZTR

The ROP Shop
9.9 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • OEM-grade construction ensures reliable fit and cutting consistency on specified models
  • Complete three-blade kit allows simultaneous replacement of the full set
  • Potential to replace multiple OEM part numbers after verification expands options
  • Designed specifically for popular Toro TimeCutter SS5000, SS5060, and MX5060 ZTR mowers

Cons

  • Requires thorough confirmation of OEM part number plus model, spec, type/code, and serial for proper fit
  • Limited strictly to TimeCutter SS5000, SS5060, and MX5060 models
  • Sparse published specifications may necessitate extra research before purchase
Detailed Review

The ROP Shop OEM Toro 3 Blade Set is a purpose-built replacement kit for select Toro TimeCutter zero-turn radius lawn mowers. It arrives as a complete three-blade package intended to match original equipment quality and deliver a clean first impression of durability focused on precise fitment.

Performance and key features center on restoring factory cutting efficiency for the SS5000, SS5060, and MX5060 models. The blades are engineered for balanced operation on ZTR decks, and the kit may cover multiple OEM numbers once the buyer confirms unit details, helping maintain even mulching or side-discharge results during regular mowing.

Drawbacks and considerations include the critical need to cross-check the exact model, spec, type or code, and serial number before ordering. Without that verification the set may not install correctly, and the limited technical specifications supplied can leave some users seeking additional measurements or confirmation.

This product delivers the most value to owners of the listed Toro TimeCutter SS5000, SS5060, or MX5060 ZTR mowers who perform their own maintenance and are willing to verify compatibility. For those users it offers a straightforward OEM path back to sharp, reliable cutting performance.

6

Kumar Bros USA Toro 108-7895 Deflector for 50" TimeCutter Z Mowers w/ Hardware

Kumar Bros USA
9.5 /10
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Updated: Jul 24, 2026
Last update on Jul 24, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API.
Pros & Cons

Pros

  • Hardware is included with the deflector assembly.
  • Covers many Toro mower model families across multiple series.
  • Clear OEM cross-reference to part number 108-7895.
  • Fitment notes are detailed, which helps reduce ordering mistakes.

Cons

  • Will not fit the 10 1/2-inch rod-pivot version.
  • Compatibility is limited to the specific Toro model numbers listed by the seller.
  • It is an aftermarket replacement, not an OEM-branded Toro part.
Detailed Review

Overview: The Kumar Bros USA Toro 108-7895 is an aftermarket deflector and side discharge chute cover made for select Toro riding mowers. It is sold with hardware, which makes it a useful replacement when the original chute assembly is worn, missing, or damaged.

Performance & Key Features: This part is listed as a replacement for OEM part number 108-7895 and is compatible with many Toro TimeCutter Z, SS, SW, TITAN ZX, Precision Z3500, and G-series models. The listing specifies a 6 1/2-inch rod-pivot size, so buyers should confirm that measurement before ordering.

Drawbacks & Considerations: Fitment is the biggest concern. The seller notes that several Toro models look similar but are not interchangeable, and this version will not fit the 10 1/2-inch rod-pivot design. Because it is an aftermarket part, shoppers who require OEM-only components should verify that preference first.

Verdict: This deflector is a practical choice for Toro owners who need a replacement chute cover and can confirm model and pivot-size compatibility. It offers useful coverage across multiple mower lines, but accurate fit verification is essential.

7

Toro 117-7277-03 Pack of 3 Hi-Flo Blades 16.50" Length 5/8" Hole

Toro
9.8 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Includes a full set of three blades for efficient one-time replacement
  • Precise factory specifications of 16.50" length and 5/8" center hole support proper fit
  • Trusted Toro brand construction for dependable mower performance
  • Thin 0.16" profile aids balanced rotation and reduced vibration
  • Clear visual reference from product images for confirmation before install

Cons

  • Requires thorough verification of unit model, spec, type, and serial number for correct fit
  • May replace multiple OEM numbers, increasing chance of incompatibility if not double-checked
  • Limited to blades only with no mounting hardware or extra accessories included
Detailed Review

The Toro 117-7277-03 Pack of 3 Hi-Flo Blades serves as a direct replacement set for compatible Toro mowers. Each blade measures 16.50 inches in length with a 5/8 inch center hole, 2 1/4 inch width, and 0.16 inch thickness. The package delivers three identical blades ready for installation as shown in product images, offering a straightforward OEM-style option for maintaining cutting decks.

In performance terms, the Hi-Flo design paired with these exact dimensions supports effective grass cutting and airflow when properly fitted. The center hole and length ensure balanced operation on matching spindles, while the thickness provides structural integrity for routine mowing tasks. Users benefit from having a complete trio of blades that can refresh an entire multi-blade system at once based on the listed specifications.

Key considerations include the absolute need to confirm the OEM part number along with the mower's model, spec, type/code, and serial number before purchase. This part can replace several OEM numbers, so mismatch risks exist without careful checking. No additional hardware or extras come with the set, and details beyond the core dimensions remain limited to the provided data.

Overall, the Toro 117-7277-03 Pack of 3 Hi-Flo Blades offers solid value for owners of verified compatible Toro equipment who prioritize exact dimensional replacements. Those prepared to cross-check fitment will find it a practical choice for restoring mower cutting efficiency, while others should seek confirmation first to avoid returns.

8

Kuumai 1/2" x 103" Lawn Mower Deck V-Belt for Toro 27-1160

Kuumai
9.4 /10
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Updated: Jul 24, 2026
Last update on Jul 24, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API.
Pros & Cons

Pros

  • Precise match to Toro 27-1160 OEM part number for reliable drop-in replacement
  • Strong resistance to heat, oil, and abrasion improves durability over basic belts
  • Wide fitment across multiple Toro ZTR, gear drive, and walk-behind models
  • High-quality construction meets rigid specs for consistent mower deck performance

Cons

  • Compatibility limited strictly to listed Toro models and deck sizes only
  • No installation tools or extras included with the belt
  • Requires correct tensioning and alignment for optimal results
Detailed Review

The Kuumai Lawn Mower Replacement Deck V Belt measuring 1/2" x 103" is a direct OEM-style replacement for the Toro 27-1160. Built to rigid specifications, it offers solid construction with a focus on durability and immediate compatibility for owners needing a reliable deck drive belt.

In performance, this belt fits Toro ZTR mowers in gear drive series 2, 3, 4 and 5 with 44" and 52" decks, Z250 Z Master 742XX series with 52" deck, plus 44" and 52" Hydro walk-behinds and 36", 44" and 52" walk-behinds. Its standout feature is excellent resistance to heat, oil and abrasion, which helps maintain consistent power transfer and reduces premature wear during regular mowing sessions.

Drawbacks include limited applicability only to the specified Toro models and deck sizes, so verification of exact mower fit is essential before purchase. It also arrives without extra tools or guides, meaning users must handle proper installation and tensioning themselves.

Overall, this Kuumai belt delivers strong value for Toro owners seeking an affordable, high-resistance replacement to restore mower deck function. It is best suited for DIY users maintaining compatible ZTR and walk-behind models who prioritize longevity and OEM-level fit.

9

Anxingo 136-7840 127-9289 Carburetor for Toro TimeCutter ZTR and Exmark Quest

Anxingo
9.5 /10
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Updated: Jul 24, 2026
Last update on Jul 24, 2026 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API.
Pros & Cons

Pros

  • Covers multiple interchangeable part numbers, making replacement matching more straightforward
  • Includes the carburetor plus 2 gaskets in the package
  • Designed as a direct aftermarket replacement for compatible Toro and Exmark models
  • Compatibility note encourages confirmation by photo and part number before purchase

Cons

  • Compatibility is limited, so buyers must verify the stock part visually and by number before ordering
  • It is an aftermarket replacement, not an OEM factory carburetor
  • No tuning instructions, installation hardware beyond gaskets, or model-specific setup details are provided
Detailed Review

Overview: The Anxingo 136-7840 127-9289 136-7842 carburetor replacement is an aftermarket part made for compatible Toro TimeCutter ZTR and Exmark Quest applications. It is presented as a direct replacement option, and the package includes 1 carburetor and 2 gaskets.

Performance & Features: This carburetor is intended to help keep the engine running smoothly and support proper fuel delivery. The listed cross references, including 136-7842, 136-7840, and 127-9289, make it easier to match against the original part when servicing a compatible mower.

Drawbacks & Considerations: Fitment is the main concern with this part because compatibility depends on the exact machine and existing carburetor. The listing also advises buyers to compare photos carefully, which means this is not a universal replacement.

Verdict: For owners of matching Toro or Exmark models who need an aftermarket carburetor replacement, this is a practical option. It offers clear part-number references and includes basic gaskets, but buyers should confirm compatibility before ordering.

10

ROP Shop OEM Spindle Pulley 74633 for Toro TimeCutter SS 4235 ZTR Mower

The ROP Shop
9.9 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • OEM-style quality designed as a direct substitute for the 74633 spindle pulley
  • Broad compatibility potential with many Toro TimeCutter lawnmowers
  • Simple package containing exactly one pulley ready for use as pictured
  • Clear advice provided to confirm unit details before purchase

Cons

  • Requires full verification of OEM part number, model, spec, type/code, and serial number since it may replace multiple OEMs
  • Detailed technical specifications available only by referring to product images rather than listed text
  • No additional hardware, belts, or installation accessories included with the pulley
Detailed Review

The ROP Shop OEM Spindle Pulley is a specialized replacement component built for the 74633 part number used on Toro TimeCutter SS 4235 ZTR lawn mowers. It presents as a straightforward single-unit pulley matching the appearance shown in the primary product image, emphasizing solid construction suitable for outdoor power equipment repairs.

In performance terms, this pulley enables continued operation of the mower spindle and belt system on compatible Toro TimeCutter models. It supports the demands of zero-turn radius mowing when properly installed, helping restore deck function after wear or failure of the original part. Owners of many TimeCutter lawnmowers can benefit once fitment is confirmed through model and serial checks.

Key considerations include the need to carefully match your unit details against the OEM number, as this part may substitute for multiple numbers and incorrect selection can lead to poor fit. Specifications are not fully listed in text and instead direct users to review accompanying images for precise measurements and details. No extra components are supplied beyond the single pulley.

Overall, this ROP Shop spindle pulley offers solid value for Toro TimeCutter SS 4235 ZTR owners and similar model users seeking an OEM-style repair part. It is best suited to those prepared to verify full compatibility before ordering, ensuring reliable long-term mower maintenance without unnecessary returns.

11

Wahparts 127-9289 Carburetor Tune-Up Kit for Toro TimeCutter & Exmark Quest/Radius

Wahparts
9.5 /10
CSMSM Score
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Includes the main tune-up items needed for a more complete service refresh.
  • Covers many Toro TimeCutter models, including several SW, SS, MX, ZS, SWX, and HD variants.
  • Lists multiple OEM replacement part numbers for easier compatibility matching.
  • Supports select Exmark Quest and Radius models as well as Toro mowers.

Cons

  • Fitment is model specific, so the mower model number and replacement part number must be verified carefully.
  • The provided data does not include installation instructions.
  • Compatibility is limited to the listed Toro and Exmark models, so it is not a universal carburetor kit.
Detailed Review

Overview: The Wahparts 127-9289 is a replacement carburetor tune-up kit for select Toro TimeCutter and Exmark Quest or Radius riding mowers. It is designed for owners replacing worn fuel-system parts and looking for a bundled maintenance option.

Performance and features: The package includes one carburetor, two spark plugs, three gaskets, one fuel filter, one oil filter, and one air filter. This gives buyers a more complete service kit than a carburetor-only replacement and can reduce the need to source parts separately.

  • Replacement part numbers: 136-7842, 136-7840, 127-9289
  • Fitment covers multiple Toro TimeCutter SW, SS, MX, ZS, SWX, and HD models
  • Also supports select Exmark Quest and Radius models

Drawbacks and considerations: Compatibility is model specific, so the mower model number and replacement part number should be checked carefully before purchase. The provided data does not list installation instructions, so some users may need prior repair experience or a service guide.

Verdict: This is a practical option for compatible Toro and Exmark owners who want a single tune-up package with the main replacement parts included. It is most useful when the buyer has already confirmed fitment.

12

Toro 105-7781-03 Hi Flow Blades 12PK OEM 18" for 52" ZTR Zero Turn Mowers

Toro
9.6 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Authentic Toro OEM part number 105-7781-03 guarantees exact replacement quality
  • High-flow profile enhances cutting efficiency and mulching capability
  • Precise 18-inch length and 5/8-inch hole for proper deck balance and safety
  • Bulk 12-pack offers value for users needing several blade sets

Cons

  • Limited to specific Toro 52-inch ZTR models listed in the product details
  • 12-pack size may exceed needs for occasional single-mower owners
  • No additional mounting hardware or installation instructions included
Detailed Review

The Toro 105-7781-03 Hi Flow Blades arrive as a 12-pack of genuine OEM replacements built specifically for select 52-inch ZTR zero turn mowers. These blades measure 18 inches in length with a 5/8-inch center hole and carry the factory part number for assured authenticity. Immediate impression is one of solid, purpose-built quality that prioritizes exact fit over aftermarket alternatives.

In real-world use the high-flow design promotes efficient grass movement and discharge across the deck, helping maintain a clean cut on models such as the 108-1117 and related units. The OEM specifications ensure balanced rotation and consistent cutting height when properly installed, making them suitable for both residential lawn care and light commercial applications that demand reliable blade performance.

Potential drawbacks include the requirement for exact model compatibility, as these blades are not universal, and the large 12-pack format which can feel excessive for users who only need a few replacements at a time. No extra hardware or detailed mounting guidance is provided beyond the core blade dimensions.

Overall these Toro Hi Flow blades deliver the greatest value to owners of compatible 52-inch zero turn mowers who prioritize genuine OEM durability and high-flow cutting efficiency for regular maintenance or fleet service.

13

The ROP Shop PTO Clutch & Harness for Toro 76601 60in Titan Max ZTR

The ROP Shop
9.5 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Includes both the PTO clutch and wire harness in one package.
  • Clear published fitment specs make compatibility verification easier.
  • Uses a billet machined pulley and high temperature bearing.
  • Supports common 1/2-inch and 5/8-inch belt widths.

Cons

  • Compatibility must be verified carefully against OEM part number and mower serial details.
  • The clutch does not come with replaceable bearings.
  • Some installations may require modification of the existing keyway.
Detailed Review

The ROP Shop PTO Clutch & Wire Harness for Toro 76601 60in Titan Max is a replacement part designed for compatible zero-turn mowers that need a new electric PTO clutch assembly. It presents as a practical repair component rather than a universal fit part, so the exact model details matter.

The published specifications are useful for fitment checks, including a 1-inch inner diameter, 6-inch pulley diameter, counter-clockwise rotation, and belt compatibility for 1/2-inch or 5/8-inch widths. The kit also includes a wire harness, a high temperature bearing, and a billet machined pulley, which adds convenience for buyers replacing multiple worn components at once.

There are a few important considerations. The clutch has a preinstalled keyway, but some applications may still require modification of the existing keyway for proper installation. It also does not come with replaceable bearings, so buyers should factor that limitation into long-term maintenance expectations.

Overall, this is best suited to Toro Titan Max owners or repair technicians who need a specification-matched PTO clutch and are comfortable confirming OEM numbers, serial data, and fitment details before purchase.

14

The ROP Shop Spindle Assembly for Toro TimeCutter SS 4225 ZTR Mowers 5.5in Height

The ROP Shop
9.7 /10
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Includes full hardware set of spindle, four screws, and pulley nut for one-step install
  • Precise OEM-matching dimensions of 5 1/2 inches height and 6 1/4 inches diameter ensure alignment
  • Works across listed Toro TimeCutter SS 4225 variants and Exmark Quest models
  • Simple aftermarket construction focused on core spindle function

Cons

  • Requires full verification of OEM part, model, type, and serial numbers before purchase
  • No printed installation guide is supplied with the parts
  • Suitable only for specified spindle applications rather than universal mower decks
Detailed Review

The ROP Shop Spindle Assembly is a purpose-built deck part engineered for Toro TimeCutter SS 4225 series ZTR lawnmowers including models 74706, 74721, and 74722. Its solid construction matches the listed height of 5 1/2 inches and outer diameter of 6 1/4 inches, creating an immediate impression of a reliable OEM-style replacement that restores original deck geometry.

Performance centers on smooth pulley and blade support once installed. The included self-tapping mounting screws and pulley nut allow secure fastening that returns the mower to efficient cutting operation. Compatibility also covers Exmark Quest riding mowers, giving owners of both brands a single part that maintains consistent grass discharge and deck balance based on the stated specifications.

Drawbacks center on the need to carefully confirm your exact OEM number, unit model, type, and serial details because the assembly may replace several originals yet is not a universal fit. The package supplies only the spindle and hardware shown, so users without prior mechanical experience may need external guidance for mounting.

This spindle assembly delivers the highest value to Toro TimeCutter SS 4225 or Exmark Quest owners who need a complete, correctly dimensioned replacement to keep their zero-turn mowers operational without extended downtime.

15

HKAOSDUUH 2PCS 108-4056 Extension Spring for Toro Commercial Exmark Titan ZTR Mowers

HKAOSDUUH
9.5 /10
CSMSM Score
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Updated: Jul 24, 2026
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Pros & Cons

Pros

  • Accurate replacement for OEM numbers 108-4056 and 1084056
  • Extensive compatibility with numerous Toro Commercial and Exmark Titan ZTR models
  • Multipack of 2 pieces offers practical value for ongoing upkeep
  • Tailored for commercial-grade ZTR lawn mower applications

Cons

  • Lacks detailed technical specs such as spring dimensions or material composition
  • Aftermarket construction may vary slightly from original factory parts
  • Limited strictly to the provided list of compatible Toro and Exmark models
Detailed Review

The HKAOSDUUH 2 PCS 108-4056 Extension Spring is a targeted replacement component built for Toro Commercial and Exmark Titan ZTR lawn mowers. It functions as a direct substitute for the OEM part number 108-4056, delivering a straightforward solution for owners facing worn or broken springs. The pack of two units creates an immediate practical impression focused on readiness for commercial maintenance tasks.

In real-world use this extension spring supports reliable performance across a wide array of listed models such as ZX4800 ZX4820 74141TE and many additional Toro series from 74416TE through 79559. Its primary strength is the extensive fit list that allows restoration of proper spring function in ZTR mowers used for professional landscaping. The design prioritizes compatibility so operators can maintain consistent tension without searching for multiple part sources.

Potential drawbacks include the absence of detailed specifications like exact length tension ratings or material details which can make advanced comparisons harder. As an aftermarket product it may not match every characteristic of genuine OEM springs and users must confirm their exact model against the provided compatibility lists. These factors warrant careful verification before purchase.

Overall the HKAOSDUUH 2 PCS 108-4056 Extension Spring delivers strong value for commercial landscapers and mower fleet operators who own matching Toro or Exmark Titan ZTR equipment. Those needing affordable ready-to-install replacements for the specified models will benefit most from this pack.

Buying Guide for Toro Ztr

Choosing durable Toro Ztr components demands attention to several technical criteria that directly affect cutting quality, safety, and long-term cost of ownership. The following factors distill real-world utility from specification analysis of popular Toro TimeCutter, Titan, and commercial series mowers.

Compatibility with Specific Toro Models and Deck Sizes

Exact model fit remains the foundation of any successful Toro Ztr purchase. Blades and belts must align with deck widths such as 44-inch, 52-inch, or 54-inch configurations found on Z250, TimeCutter SS 4225, Titan ZX5400, and similar platforms. Cross-check OEM numbers like 105-7781-03 or 27-1160 against your unit serial, type code, and year range to avoid vibration or incomplete cuts. Spindle assemblies for TimeCutter SS series and PTO clutches for 60-inch Titan Max units require matching inner diameters of 1 inch and counter-clockwise rotation. Owners comparing broader riding options can review insights from Cub Cadet lawn mower comparisons to understand shared drive system traits that influence interchangeability.

Blade Design, Length, and Airflow Efficiency

Hi-flow blades with lengths of 16.50 inches to 18.75 inches and 5/8-inch center holes generate superior lift for bagging or mulching while reducing clumping in wet conditions. Thickness around 0.16 inches combined with heat-treated steel resists bending on rough terrain. Packs of three or six provide full deck coverage and spare inventory, lowering downtime. For commercial Titan and Z Master decks, genuine OEM profiles maintain the original lift angle that aftermarket alternatives often alter, leading to uneven discharge patterns.

Belt Construction and Resistance Properties

Deck V-belts measuring 1/2 inch by 103 inches must exhibit high resistance to heat, oil, and abrasion to handle continuous PTO engagement on gear-drive and hydro-drive Toro series 2 through 5. Reinforced cords prevent stretching that causes blade speed drop under load. Confirm replacement for OEM 27-1160 on 44-inch and 52-inch walk-behind and ZTR platforms to restore full power transfer without slippage.

Spindle and Pulley Durability for Vibration Control

Spindle assemblies measuring 5 1/2 inches in height with 6 1/4-inch outer diameter, complete with mounting screws and pulley nuts, restore smooth rotation on TimeCutter SS 4225 and Exmark Quest units. High-temperature bearings and billet-machined pulleys reduce heat buildup during extended runs. Matching OEM spindle pulleys for models like 74633 ensures belt alignment and eliminates the wobble that accelerates bearing failure. Related guidance on tractor supply options appears in reviews of lawn mowers available at tractor supply.

Clutch Engagement and Wiring Integration

Electric PTO clutches with 6-inch pulley diameters and preinstalled keyways deliver reliable blade start-stop cycles on 60-inch Titan Max mowers. Included wire harnesses and high-temperature bearings simplify installation while supporting belt widths of 1/2 or 5/8 inch. Verify serial ranges starting from 400000000 to guarantee electrical compatibility and avoid engagement lag that stresses the engine.

Additional Accessories for Mulching and Discharge Control

Chute blockers constructed from high-quality steel allow instant conversion between side discharge and mulching modes via a quick-flip lever, fitting fabricated decks on Toro, Exmark, and similar ZTR brands. Extension springs replacing 108-4056 maintain proper deck tension across dozens of commercial model numbers. Carburetor kits with accompanying filters restore fuel delivery on TimeCutter SW and SS series, completing a full maintenance set within typical $6.99 – $199.89 budgets.

ProductBrandKey SpecRating
Toro 12PK Genuine OEM 105-7781-03 Hi Flow BladesToro18 inch length, 5/8 inch center hole4.9/5
Lawn Mower Replacement Deck V Belt 1/2 inch X103 inchKuumaiReplaces Toro 27-1160, heat and oil resistant4.7/5
The ROP Shop Spindle Assembly for TimeCutter SS 4225The ROP Shop5 1/2 inch height, includes screws and nut4.7/5

Testing & Selection Methodology

Our evaluation of 15 Toro Ztr options focused exclusively on raw technical specifications, OEM cross-reference accuracy, material properties, and brand reliability data rather than unverified claims. Each component was assessed for dimensional precision against known Toro model requirements, including blade center-hole size, belt length, spindle height, and clutch rotation direction. User satisfaction metrics derived from rating consistency across similar part categories informed durability projections, while warranty support and packaging completeness were weighed for practical ownership value. Brand track records of Toro for genuine parts and The ROP Shop for aftermarket assemblies provided baseline reliability indicators, ensuring recommendations prioritize fitment success and reduced failure rates under typical residential and commercial loads.

Cross-comparison of included hardware kits, such as self-tapping screws with spindles or full filter sets with carburetors, further refined rankings by measuring installation readiness. This methodical review of documented specs and compatibility lists produced a shortlist optimized for real-world Toro ZTR maintenance without speculation on unlisted performance variables.

Best Picks & Final Verdict

After detailed specification analysis, several standouts emerge for distinct owner needs among the 15 reviewed Toro Ztr components. These selections balance OEM authenticity, measurable dimensions, and multi-model coverage to deliver reliable performance across TimeCutter, Titan, and commercial fleets.

Best Overall Toro Ztr: Toro 12PK Genuine OEM 105-7781-03 Hi Flow Blades 108-1117 ZTR 52 inch Zero Turn Mower. This set earns the top position through precise 18-inch length, 5/8-inch center hole, and original Toro manufacturing that guarantees factory lift and balance on 52-inch decks for models including 558, 30099, and 74237 series. The genuine construction minimizes vibration and maximizes cut quality for both residential and light commercial use.

Best Value / Budget Choice: HKAOSDUUH 2 PCS 108-4056 Extension Spring Fits Toro Commercial Exmark Titan ZTR. At the accessible end of the $6.99 – $199.89, these springs replace OEM 108-4056 across an extensive list of commercial models such as 74416TE through 79559, providing essential deck tension restoration with high fitment versatility and solid 4.6 rating support. Owners seeking affordable maintenance without sacrificing coverage will find this pair delivers strong cost-to-utility returns.

Best for Mulching Conversion and Discharge Control: ELITEWILL Mower Chute Blocker for Zero Turn Mowers. Constructed from durable steel with a quick-flip handle, this accessory fits Toro fabricated decks and instantly switches between side discharge and mulching modes, replacing ACS6000ULS while supporting cleaner lawns through finer particle distribution. Its compatibility across Ferris, Exmark, and Kubota ZTR platforms extends usefulness beyond pure Toro fleets. For further context on robotic alternatives, consult automatic grass cutting robot options that reduce overall part replacement frequency.

Frequently Asked Questions

What size blades fit most Toro ZTR 52 inch decks?

Most Toro ZTR 52-inch decks use 18-inch hi-flow blades with a 5/8-inch center hole, such as OEM 105-7781-03. Always confirm the exact model number and serial range because slight variations exist across TimeCutter and Titan platforms. Matching these dimensions ensures proper overlap and airflow for even cutting.

How do I verify PTO clutch compatibility for my Toro Titan Max?

Confirm the clutch matches a 1-inch inner diameter, 6-inch pulley, counter-clockwise rotation, and includes a wire harness for models like 76601 with serials from 400000000 onward. Cross-reference OEM numbers and inspect the existing keyway for possible modification. This process prevents electrical and mechanical mismatches that can damage the drive system.

Are aftermarket spindles reliable for TimeCutter SS series?

Quality aftermarket spindles like those measuring 5 1/2 inches high with included mounting hardware perform reliably when dimensions and materials match OEM standards for models 74706, 74721, and 74722. Look for billet pulleys and high-temperature bearings to extend service life under continuous use. Verification against serial data remains essential for vibration-free operation.

What belt length works for Toro series 2-5 ZTR with 52 inch decks?

A 1/2-inch by 103-inch V-belt replacing OEM 27-1160 fits Toro series 2 through 5 ZTR and walk-behind mowers with 44-inch and 52-inch decks. Heat, oil, and abrasion resistance in the construction prevents premature stretching. Proper tensioning after installation restores full blade speed under load.

Can a chute blocker convert any Toro ZTR to mulching mode?

Chute blockers engineered for fabricated decks with flat surfaces and squared openings convert most Toro ZTR units to mulching by flipping a lever, though additional drilling may be required for hole alignment on certain models. Steel construction withstands debris impact season after season. For complementary insights into nearby service options, explore riding lawn mower near me resources.