Quick Answer: BILT HARD 170cc vs Earthquake 60V Walk-Behind String Trimmer — Which Should You Buy in 2026?

Choose the BILT HARD if your priority is lower purchase price and gas-powered capability for thick overgrown grass, dense weeds, and light brush. Its $479.99 price is $150 less than the Earthquake’s $629.99. Choose the Earthquake if you prefer quieter, lower-maintenance battery operation, included batteries, adjustable cutting speed, and up to 90 minutes of stated runtime. Both have a 22-inch cutting diameter, but they suit different ownership preferences.

Winner by Category

CategoryWinnerEvidence
Power/SuctionBILT HARDThe 170cc OHV four-cycle gas engine is specified for thick overgrown grass, dense weeds, and light brush. The Earthquake uses a 60V brushless motor, but its listing does not provide an equivalent engine-size comparison.
Cutting performanceEarthquakeBoth provide a 22-inch cutting diameter. Earthquake adds three cutting-speed dial settings, a cutting head designed to reduce weed wrap, and included 0.095-inch and 0.155-inch starter line.
Navigation/Ease of useBILT HARDIts self-propelled drive travels at a stated 1.9 mph, which can reduce pushing effort on slopes, uneven ground, and larger lawns. Earthquake counters with an adjustable handlebar and 14-inch never-go-flat wheels.
Pet hair or handlingEarthquakeNeither model is designed for pet hair. For handling, Earthquake has extra-wide 14-inch airless wheels and an adjustable handlebar; BILT HARD has 10-inch flat-free wheels and self-propulsion.
Runtime/Battery or Fuel efficiencyEarthquakeTwo included 4Ah batteries are rated for up to 90 minutes of runtime. The BILT HARD runs on gasoline, but the supplied data does not state fuel capacity or runtime.
NoiseEarthquakeBattery string trimmers are described in the research as having less noise than gas models. Neither listing provides a decibel measurement.
Price & valueBILT HARDAt $479.99, BILT HARD costs $150 less than the $629.99 Earthquake while offering the same 22-inch cutting diameter and self-propelled travel.

1
Best Seller

BILT HARD 170cc Self-Propelled Walk-Behind String

BILT HARD
In Stock
9.8 /10
CSMSM Score
This score is based on Amazon customer ratings, review volume, and sales signals — not a hands-on lab test by our team.
Updated: Jul 24, 2026
Last update on Jul 24, 2026. Product prices and availability are accurate as of that date/time and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply. Affiliate links / Images, product titles, and product highlights from Amazon.
The BILT HARD Self-Propelled Walk-Behind String Trimmer is a 170cc 4-cycle gas brush cutter built for homeowners managing overgrown lawns and fields, delivering a 22-inch cutting path plus effortless self-propelled drive at 1.9 mph.
Pros & Cons

Pros

  • Robust 170cc 4-cycle OHV engine handles thick overgrown vegetation effectively
  • Self-propelled system at 1.9 mph greatly reduces physical effort on slopes and large areas
  • Wide 22-inch cutting path combined with 8 height settings offers versatile performance
  • Durable steel deck and 10-inch never-flat wheels provide stability and reliability on rough terrain
  • Side discharge and foldable handle improve efficiency and storage convenience

Cons

  • Gas engine requires fuel and regular maintenance unlike electric models
  • Manual recoil start can be harder for some users compared to electric starters
  • Side discharge only with no bagging or mulching options listed for clipping collection
Detailed Review

The BILT HARD Self-Propelled Walk-Behind String Trimmer is a gas-powered brush cutter equipped with a 170cc 4-cycle engine and heavy-duty one-piece steel deck. Its walk-behind design with foldable handle and 10-inch flat-free wheels delivers solid build quality suited for lawns, yards, and fields, creating an immediate impression of a durable tool for overgrown vegetation.

Performance and Key Features: The self-propelled system advances at 1.9 mph so users simply guide the unit across uneven ground or slopes with minimal effort. A 22-inch cutting diameter using durable nylon line pairs with 8-position height adjustment ranging from 1.6 to 3.7 inches, enabling efficient clearing of thick grass, weeds, and light brush. Side discharge keeps the path clear while the steel deck reduces vibration for stable results on rough terrain.

Drawbacks and Considerations: Being a gas model with manual recoil start means it needs fuel and routine upkeep, which may not appeal to those preferring plug-in or battery options. Only side discharge is available without bagging or mulching, and the walk-behind size can feel less agile in very tight spaces than handheld trimmers.

Verdict: This BILT HARD unit delivers strong value for property owners with large or overgrown areas who want reduced pushing effort and versatile cutting heights. Anyone seeking a reliable self-propelled gas brush cutter for lawns and fields will appreciate its combination of power, durability, and storage-friendly design.

2
Editor's Pick

Earthquake 60V Walk Behind String Mower Model

EARTHQUAKE
In Stock
9.7 /10
CSMSM Score
This score is based on Amazon customer ratings, review volume, and sales signals — not a hands-on lab test by our team.
Updated: Jul 24, 2026
Last update on Jul 24, 2026. Product prices and availability are accurate as of that date/time and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply. Affiliate links / Images, product titles, and product highlights from Amazon.
The Earthquake 44965 is a 60V walk-behind string mower designed for homeowners managing weeds and overgrowth, offering standout dual 4Ah battery runtime up to 90 minutes and a 22-inch cutting path with variable speeds.
Pros & Cons

Pros

  • Includes two 4Ah batteries for immediate extended cordless operation up to 90 minutes
  • Brushless direct-drive motor and innovative head design cut maintenance and reduce weed wrap
  • Extra-wide 14-inch airless wheels and tool-less 1.5-4 inch height adjustment improve terrain versatility
  • Variable cutting speed dial and 22-inch path enable efficient control over different vegetation densities
  • Starter cutting line pack and strong limited warranties add ready-to-use value and long-term protection

Cons

  • String-based cutting system requires ongoing line replacement unlike traditional blade mowers for thick turf
  • 90-minute runtime with dual batteries may still need recharges for very large properties or continuous heavy use
  • Walk-behind string design prioritizes weeds and overgrowth over precision lawn finishing on manicured grass
Detailed Review

The Earthquake 44965 is a 60V walk-behind string mower built for homeowners tackling weeds, brush, and uneven overgrowth. Its robust frame features 14-inch never-go-flat airless wheels, an adjustable handlebar, and straightforward assembly that creates a durable, ready-to-roll first impression focused on mobility and low upkeep.

Performance centers on the dual 4Ah batteries providing up to 90 minutes of runtime and a direct-drive brushless motor that extends battery life while cutting maintenance. The 22-inch cutting diameter, three-position variable speed dial, and innovative head that reduces weed wrap deliver efficient clearing across varied densities. Tool-less height adjustment from 1.5 to 4 inches plus a starter pack of 0.095 and 0.155 inch lines let users adapt quickly and stay productive in real yard conditions.

Considerations include the string-line system that demands periodic replacement for continued cutting power and a runtime that, while solid with two batteries, can require recharging on expansive properties. As a walk-behind string mower it excels at rough vegetation rather than delivering the fine finish of a traditional blade mower on manicured lawns.

Overall the Earthquake 44965 offers strong value for property owners seeking cordless power for weed control and overgrowth management. It suits users who want extended runtime, easy height changes, and minimal maintenance over precision turf work, backed by multi-year warranties for reliable seasonal use.

Specifications Side-by-Side

SpecificationBILT HARD 170ccEarthquake 60V
Product typeSelf-propelled walk-behind string trimmer / brush cutterWalk-behind string mower
Power source170cc four-cycle gas engine60V battery system
Motor or engine detailOHV engine with manual recoil startDirect-drive brushless motor
Cutting diameter22 inches22 inches
Drive speed1.9 mph self-propelled driveNot specified
Cutting-speed controlNot specifiedThree cutting-speed dial settings
Cutting-height adjustmentEight-position adjustmentTool-less adjustment from 1.5 to 4 inches
Wheel design10-inch flat-free wheels14-inch never-go-flat airless wheels
HandleNot specifiedAdjustable handlebar
Battery and runtimeNot applicable; gasoline-poweredTwo 4Ah batteries included; up to 90 minutes of stated runtime
Line informationNot specifiedStarter pack with five 0.095-inch lines and five 0.155-inch lines
Starting systemManual recoil startBattery-powered start
WarrantyNot specified5-year limited tool warranty and 3-year limited battery warranty
Amazon rating4.7/54.5/5
Listed price$479.99$629.99

Performance

Core Performance

The BILT HARD takes the conventional heavy-duty route: a 170cc OHV four-cycle engine drives a 22-inch cutting path. The product description specifically positions that engine for thick overgrown grass, dense weeds, and light brush. That makes it the more straightforward choice when the job involves growth that may place a high demand on a string-trimmer head. Its manual recoil start is simple, but it also means starting is a mechanical process rather than a push-button battery start.

The Earthquake uses a 60V direct-drive brushless motor and also covers a 22-inch path. Its advantage is control rather than a published engine-equivalent power claim: the three-position cutting-speed dial lets you select among three cutting speeds. The cutting head is designed to reduce weed wrap, and the package includes both 0.095-inch and 0.155-inch starter line. Those details make the Earthquake more adaptable when switching between lighter trimming and more demanding weed work.

Neither listing supplies measured cutting-force results, motor revolutions per minute, torque, or a standardized comparison between the 170cc engine and 60V motor. Therefore, the fairest conclusion is not that one has a verified numerical power advantage in every condition. BILT HARD has the clearer specification for gas-powered brush-cutting duty, while Earthquake provides more explicit cutting-speed control and head-design features.

Handling & Ergonomics

BILT HARD’s self-propelled drive is its most important handling feature. At 1.9 mph, it moves at a steady walking pace without requiring the operator to push the machine continuously. The manufacturer description specifically calls out slopes, uneven ground, and large lawns. That can be useful when the cutting area is broad or the surface makes a heavy walk-behind tool tiring to maneuver.

Earthquake does not list a self-propelled travel speed in the supplied product data, but it has hardware intended to make the machine easier to position: an adjustable handlebar and 14-inch extra-wide airless wheels. Its wheels are larger than the BILT HARD’s 10-inch flat-free wheels, and the never-go-flat design avoids the need to maintain pneumatic tire pressure. The larger wheel specification should appeal to shoppers who frequently cross uneven ground, although the listing does not quantify the difference in pushing effort.

The two machines therefore emphasize different kinds of convenience. BILT HARD reduces travel effort through powered movement. Earthquake reduces some ownership and setup friction through adjustable controls, large airless wheels, and battery operation. Neither product’s supplied data includes a weight figure, folded dimensions, turning radius, or handlebar height range, so those factors should not be used to declare a handling winner.

Runtime / Fuel & Maintenance

Earthquake has the more transparent runtime claim: two included 4Ah batteries provide up to 90 minutes of runtime. “Up to” is an operating limit rather than a guarantee for every cutting condition; thick weeds and a faster cutting setting can affect how long a charge lasts. Still, the included battery capacity means the $629.99 package is ready for cordless work without requiring a separate battery purchase.

BILT HARD’s four-cycle gas engine is not constrained by a stated battery runtime. With fuel available, it can be refueled rather than waiting for a battery to recharge. However, the supplied information does not state its fuel-tank capacity, fuel consumption, or operating time per tank. Buyers should consequently choose it for the flexibility of gasoline power, not on an unsupported promise of longer runtime.

Maintenance is where the platforms differ most clearly. Earthquake’s direct-drive brushless motor is described as extending battery life and reducing maintenance. It also avoids engine-related tasks. BILT HARD has a four-cycle engine and manual recoil system, so it necessarily belongs to the gas-equipment ownership category, with fuel and engine care to consider. The research does not provide a service schedule for either model, so exact oil-change or filter intervals are not stated here.

Best Use Cases

  • Large, uneven, or sloped areas: BILT HARD’s 1.9 mph self-propelled drive is the more direct match when reducing pushing effort matters.
  • Dense weeds and light brush: BILT HARD has the explicit 170cc engine specification and is marketed for this type of growth.
  • Noise-sensitive residential work: Earthquake is the better fit because battery trimmers are described in the research as quieter than gas models.
  • Long cordless sessions: Earthquake includes two 4Ah batteries and claims up to 90 minutes of runtime.
  • Variable cutting conditions: Earthquake’s three cutting-speed dial settings and two included line sizes provide more stated adjustment.
  • Budget-conscious buyers: BILT HARD saves $150 at the listed prices.

Maintenance & Running Costs

The BILT HARD’s purchase price is lower, but gas ownership adds an ongoing supply decision that does not apply to the Earthquake: the engine needs gasoline. The data identifies the engine as a 170cc four-cycle unit with a manual recoil start, but it does not provide fuel capacity, fuel cost, oil capacity, oil-change timing, air-filter replacement timing, or spark-plug information. Those missing figures make it impossible to calculate a precise cost per hour or annual service budget from the supplied data.

Earthquake’s direct-drive brushless motor is specifically described as reducing maintenance. The battery system also eliminates gasoline storage and engine starting. Its included package contains two 4Ah batteries, which is an important value detail because replacement or additional batteries can otherwise materially affect the total cost of a cordless tool. The product data does not list battery charging time, replacement-battery price, or electricity consumption, so a precise long-term battery cost is unavailable.

Both models use replaceable string, but Earthquake provides unusually specific starter supplies: five pieces of 0.095-inch line and five pieces of 0.155-inch line. It also advertises simple line replacement. The cutting head is designed to reduce weed wrap, potentially reducing interruptions when working through weeds, although the research does not provide a measured reduction in stoppages. BILT HARD’s listing data supplied here does not identify its line diameter, line quantity, or replacement procedure.

Warranty coverage further separates the packages. Earthquake lists a 5-year limited tool warranty and a 3-year limited battery warranty. No BILT HARD warranty term is included in the supplied product data. That does not prove that BILT HARD lacks coverage; it means the warranty comparison should favor Earthquake on documented terms only.

Features & Usability

BILT HARD keeps its feature set focused on moving and cutting. The 170cc OHV four-cycle engine supplies the gas platform, the manual recoil start handles ignition, the 1.9 mph self-propelled drive handles forward travel, and the 22-inch cutting diameter covers a wide strip. Its eight-position height adjustment gives more stated positions than Earthquake’s three cutting-speed settings, although the available product data does not give the actual BILT HARD height range.

Earthquake offers a more detailed set of operator adjustments. The cutting-speed dial has three settings, the handlebar is adjustable, and the cutting height changes without tools from 1.5 to 4 inches. That range is useful for buyers who want to change the working height without reaching for tools, but it should not be confused with the number of cutting-speed settings. The 14-inch never-go-flat wheels and simple line replacement further support a low-friction setup.

The Earthquake’s 60V design also changes the starting experience. Instead of manually pulling a recoil starter, the user operates a battery-powered machine. Battery operation is generally attractive for people who want less engine upkeep and less noise, both of which are themes supported by the research. The tradeoff is dependence on charged batteries and the possibility of stopping when the available charge is exhausted.

For assembly and consumables, Earthquake’s listing calls out easy assembly, simple line replacement, and a starter pack of two line sizes. BILT HARD’s supplied data confirms the principal engine, drive, wheel, and adjustment specifications but does not provide assembly details or line-loading information. If setup instructions and line changes are a major part of your buying decision, Earthquake has the stronger documented usability case.

Price & Value Analysis

At the listed Amazon prices, BILT HARD costs $479.99 and Earthquake costs $629.99. The difference is $150, making the BILT HARD the lower-cost purchase by a meaningful margin. Both models have a 22-inch cutting diameter, so the Earthquake’s premium is not buying a wider stated path. Instead, it pays for the cordless power system, two included 4Ah batteries, up to 90 minutes of stated runtime, three cutting-speed settings, tool-less height adjustment, larger airless wheels, and documented warranty coverage.

BILT HARD is worth the money when the main goal is maximum gas-powered capability for the lowest upfront price. Its 170cc engine and self-propelled 1.9 mph drive give it a compelling specification-based value proposition for large areas, slopes, uneven ground, and thick growth. The lower price also leaves more room in the budget for gasoline and routine engine ownership, although the supplied data does not quantify those costs.

Earthquake is worth the extra $150 when convenience matters more than the lowest entry price. The package already includes two batteries, and the stated up-to-90-minute runtime removes some of the uncertainty of buying a bare tool. Its brushless direct-drive motor, quiet battery operation, adjustable controls, airless wheels, line-management features, and 5-year tool/3-year battery warranty all support a more maintenance-conscious ownership experience.

Ratings point in slightly different directions: BILT HARD is listed at 4.7/5, while Earthquake is listed at 4.5/5. Those ratings are useful context but do not replace a controlled test of cutting speed, vibration, noise, runtime, or durability. On the available evidence, BILT HARD is the value winner, while Earthquake is the convenience and low-maintenance winner.

Which Should You Buy?

Choose BILT HARD if…

  • You want the lower purchase price: $479.99 versus $629.99.
  • You prefer a 170cc OHV four-cycle gas engine for thick overgrown grass, dense weeds, and light brush.
  • You need self-propelled travel at a stated 1.9 mph.
  • You are working across slopes, uneven ground, or a large lawn where powered movement can reduce pushing effort.
  • You want eight-position height adjustment and 10-inch flat-free wheels.
  • You do not want your work session to depend on the charge remaining in a battery pack.

Choose Earthquake if…

  • You prefer battery operation with less engine-related maintenance.
  • You want quieter operation than a gas model, without relying on a decibel claim that is not provided.
  • You want two included 4Ah batteries and up to 90 minutes of stated runtime.
  • You value three cutting-speed dial settings for different weed and grass conditions.
  • You want tool-less cutting-height adjustment from 1.5 to 4 inches.
  • You prefer 14-inch never-go-flat airless wheels and an adjustable handlebar.
  • You want a documented 5-year limited tool warranty and 3-year limited battery warranty.

Consider a different model if…

  • You need a handheld trimmer for fence lines, garden edges, tight spaces, or work around obstacles; both of these are walk-behind machines with 22-inch cutting diameters.
  • You require verified noise, vibration, weight, fuel-consumption, or charge-time measurements; those figures are not supplied for this comparison.
  • You need a product with a confirmed service network or warranty terms for both brands; the supplied data documents Earthquake’s warranty but does not provide BILT HARD’s warranty.
  • You need a different cutting width, a smaller machine, or a platform with batteries shared by other tools; neither product’s supplied data confirms compatibility with another battery system.

Not sure between these two? Our complete guide to Best Walk-Behind Lawn Mowers covers more options at every price point.

Frequently Asked Questions

Is the BILT HARD more powerful than the Earthquake 60V?

BILT HARD has the clearer heavy-duty power specification because it uses a 170cc OHV four-cycle gas engine and is marketed for thick overgrown grass, dense weeds, and light brush. Earthquake uses a 60V direct-drive brushless motor and offers three cutting-speed settings, but the supplied data does not provide an engine-equivalent power figure or test result. The available information supports choosing BILT HARD for its stated gas-engine capability, not a measured universal power victory.

How long will the Earthquake 60V run?

Earthquake lists up to 90 minutes of runtime with its two included 4Ah batteries. Actual runtime can vary with the material being cut and the selected cutting speed, and the listing does not specify a charge time. Treat 90 minutes as the stated maximum rather than a guaranteed duration for every job.

Which trimmer is easier to maintain?

Earthquake has the stronger low-maintenance specification. Its direct-drive brushless motor is described as reducing maintenance, and battery operation avoids gasoline-engine upkeep. BILT HARD uses a four-cycle gas engine with a manual recoil start, so it requires gas ownership and engine care. Exact service intervals and fuel costs are not included in the supplied data.

Do both models cut the same width?

Yes. Both the BILT HARD and Earthquake listings specify a 22-inch cutting diameter. Their approaches differ elsewhere: BILT HARD combines that width with a 170cc gas engine and 1.9 mph self-propelled drive, while Earthquake combines it with a 60V brushless motor, three cutting-speed settings, and a head designed to reduce weed wrap.