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If you are looking for senix 20 144 cc gas lawn mower alternatives, this guide compares similar models based on their published specifications. The original SENIX bundle offers a 144 cc push mower and a 26.5 cc trimmer, providing a complete gas care solution for small yards. Its 20-inch cutting width and three height settings allow for basic lawn maintenance. You might also appreciate the included weed wacker for trimming edges.

However, you may prefer different specs, such as a wider 21-inch deck, self-propelled drive, or cordless operation. Some buyers seek mulching versatility or quieter brushless motors. The alternatives in this list were chosen because their specifications overlap with the original SENIX unit. We have ranked 6 similar picks to help you find the best fit for your specific lawn size and power preferences.

How each alternative compares

PowerSmart 21-Inch 140cc Gas Push Mower

The PowerSmart 21-Inch 140cc Gas Push Mower swaps the bundle for a single, wider cutting deck. It offers a 21-inch cut versus the SENIX mower’s 20-inch width, covering more ground per pass. This model features 3-in-1 mulching, bagging, and side discharge options, giving you more versatility than the SENIX’s basic push design. It weighs 31.8 pounds, making it lighter than the heavier self-propelled SENIX models. However, it lacks the included string trimmer, so you must buy that separately if needed. Choose this if you want a dedicated mower with better discharge options for flat, medium yards.

PowerSmart 21-Inch Push Gas Mower Kit

This PowerSmart kit is a direct competitor to the SENIX bundle, offering both a mower and trimmer. It features a 21-inch cutting deck, which is slightly wider than the SENIX’s 20-inch mower. The kit includes an edger and brush cutter, providing similar versatility to the SENIX’s weed wacker. It uses a 144cc engine, matching the SENIX’s displacement, but focuses on a 2-in-1 mowing function rather than raw power. The unit is larger, measuring 63 inches in length, which may affect storage. Pick this option if you prioritize a wider cut and included edging tools over the SENIX’s specific trimmer configuration.

SENIX 22-Inch 170cc Self-Propelled Gas Mower

The SENIX 22-Inch 170cc Self-Propelled Gas Mower upgrades the engine to 170cc and adds a 22-inch deck. It replaces the push design with front-wheel drive self-propulsion, reducing effort on uneven terrain. This model supports mulching, bagging, and side discharge, offering more functions than the base SENIX mower. It weighs 72.8 pounds, significantly heavier than the push models, requiring more strength to maneuver when not engaged. It does not include a trimmer, so you lose the bundle convenience. Select this if you want more power and a wider cut for medium yards without needing a separate trimming tool.

Greenworks 80V 21-Inch Push Lawn Mower

The Greenworks 80V 21-Inch Push Lawn Mower shifts from gas to 80V cordless power. It features a brushless motor and includes 5.0 Ah batteries, eliminating fuel maintenance. The 21-inch deck is wider than the SENIX’s 20-inch cut. It weighs 84 pounds, making it heavier than gas models due to battery weight. This mower is quieter and emits no exhaust, ideal for noise-sensitive neighborhoods. It lacks the included trimmer found in the SENIX bundle. Choose this if you prefer quiet, zero-emission mowing with included batteries and do not need the gas trimmer for edges.

Greenworks 48V 17in Push Mower

The Greenworks 48V 17in Push Mower is a compact cordless option with a 17-inch cutting deck, narrower than the SENIX’s 20-inch mower. It uses 48V power with two 4.0 Ah batteries, offering quieter operation than gas. The brushless motor provides efficient power for small lawns under 1/3 acre. It weighs 36.4 pounds, lighter than the self-propelled SENIX models but heavier than some gas push mowers. It does not include a trimmer, so you must trim edges manually. Pick this if you have a small yard and value compact storage and quiet operation over the wider cut and bundle of the SENIX.

SENIX 21-Inch 170cc Self-Propelled Gas Mower

The SENIX 21-Inch 170cc Self-Propelled Gas Mower offers a 21-inch deck and 170cc engine, upgrading from the original’s 144cc and 20-inch cut. It features self-propulsion with front-wheel drive, reducing effort compared to the push SENIX. It supports 3-in-1 mulching, bagging, and side discharge, providing more versatility than the base model. It weighs 61.7 pounds, requiring more effort to move when disengaged. It lacks the included trimmer, so you lose the bundle convenience. Choose this if you want a wider cut and self-propelled ease for moderate yards without needing a separate trimming tool.

#ProductBest forPrice
1SENIX 20" 144cc Gas Mower with Trimmer Best overallbuyers wanting a gas mower and trimmer bundle
2PowerSmart 21-Inch 140cc Gas Push Mower Best premiumflat medium yards needing mulching versatility
3PowerSmart 21-Inch Push Gas Mower Kit Best budgetsmall yards needing mower and trimmer combo
4SENIX 22-Inch 170cc Self-Propelled Gas Mower Best 22-inchmedium yards needing wider 22-inch cutting deck
5Greenworks 80V 21-Inch Push Lawn Mower Best 80vQuiet cordless mowing with included batteries
6Greenworks 48V 17in Push Mower Best 48vsmall lawns under 1/3 acre
7SENIX 21-Inch 170cc Self-Propelled Gas Mower Also greatModerate yards up to 1/3 acre
1Best overall
SENIX 20" 144cc Gas Mower with Trimmer

SENIX 20" 144cc Gas Mower with Trimmer

Best for: buyers wanting a gas mower and trimmer bundle

Cutting Width
20 in
Drive Type
Push
Motor Type
144 cc 4-cycle gas
Height Adjustments
3 settings
Engine Displacement
144cc
Dimensions
25.6 × 21.8 × 13 inches

This SENIX combo includes a 20-inch push mower with a 144 cc four-cycle engine and a 17-inch string trimmer with a 26.5 cc engine. The mower offers three cutting height settings and a 20-inch deck. The trimmer features a 17-inch swath and dual bump-feed lines. You get a complete gas-powered lawn care set. This bundle suits homeowners who want a mower and trimmer together without buying separate units.

Pros
  • Includes a 144 cc 4-cycle gas engine for the mower.
  • Comes with a 26.5 cc 4-cycle gas string trimmer.
  • Offers 3 cutting height settings on the 20-inch mower.
  • Provides a 17-inch cutting swath on the weed wacker.
  • Backed by a 2-year warranty.
Cons
  • The 20-inch cutting width is narrower than the 21-inch or 22-inch decks on other list picks.
  • Only 3 height adjustments are available, which is fewer than the 6-position adjustment on the SENIX 21" model.
  • The 144 cc engine displacement is lower than the 170 cc engines found in the self-propelled SENIX alternatives.
Good fit if
  • You want a gas mower and a gas trimmer in one package.
  • You prefer a push mower over a self-propelled model.
  • You need a 20-inch cutting width for your yard.
Skip if
  • You require a self-propelled drive system for hilly terrain.
  • You need a cutting width wider than 20 inches.
  • You prefer electric or battery-powered equipment.

Verdict: SENIX 20" 144cc Gas Mower with Trimmer provides a complete gas lawn care solution with a 144 cc mower and 26.5 cc trimmer. It fits buyers who want a bundled push mower and trimmer for small to medium yards.

2Best premium
PowerSmart 21-Inch 140cc Gas Push Mower

PowerSmart 21-Inch 140cc Gas Push Mower

Best for: flat medium yards needing mulching versatility

Cutting Width
21"
Drive Type
Push, rear-wheel drive
Mowing Functions
3-in-1 (bag, mulch, rear discharge)
Motor Type
140cc OHV
Height Adjustments
6-position (1.5" – 3.9")
Power Type
Gas

This PowerSmart push mower features a 140cc OHV engine and a 21-inch steel deck. It offers three mowing functions: bagging, mulching, and rear discharge. You can adjust the cutting height in six positions from 1.5 to 3.9 inches. The unit weighs 31.8 pounds and measures 32.9 inches in length. It suits medium to large yards where you prefer manual push operation over self-propelled drive.

Pros
  • 21-inch cutting width reduces mowing time
  • Three mowing modes: bag, mulch, or rear discharge
  • Six-position height adjustment lever
  • 140cc OHV engine for consistent performance
Cons
  • 140cc engine displacement is lower than the 144cc and 170cc engines in other picks
  • Push drive requires more physical effort than self-propelled alternatives
  • 1.4-bushel grass bag capacity is smaller than typical larger bags
Good fit if
  • You want a wide 21-inch cutting path for efficiency
  • You need versatile mulching or bagging options
  • You prefer a lightweight push mower for smaller storage
Skip if
  • You need self-propelled drive for hilly terrain
  • You require a larger 170cc engine for thick grass
  • You want a 22-inch cutting width for maximum coverage

Verdict: PowerSmart 21-Inch 140cc Gas Mower is a solid choice for homeowners with flat, medium-sized lawns who value a wide cut and multiple discharge options over raw engine power or self-propulsion.

3Best budget
PowerSmart 21-Inch Push Gas Mower Kit

PowerSmart 21-Inch Push Gas Mower Kit

Best for: small yards needing mower and trimmer combo

Cutting Width
21"
Drive Type
push
Mowing Functions
2-in-1 (side discharge, mulching)
Motor Type
144cc 4-cycle OHV
Power Type
Gas
Included Equipment
Edger, Brush Cutter

This PowerSmart kit pairs a 21-inch push mower with a 16-inch string trimmer. The mower uses a 144cc 4-cycle OHV engine with auto choke. It offers side discharge and mulching functions. The included trimmer has a 25.4cc 2-cycle engine. This bundle suits owners of small yards up to a quarter acre who want two tools in one purchase.

Pros
  • Includes a 144cc 4-cycle OHV engine for reliable performance.
  • 21-inch steel deck provides a wide cutting path.
  • 2-in-1 mower supports side discharge and mulching.
  • Bundle includes a 16-inch string trimmer with brush cutter blade.
Cons
  • Push drive type requires more physical effort than self-propelled models.
  • 144cc engine displacement is lower than the 170cc engines found on other list options.
  • Ships in two separate boxes which may arrive at different times.
Good fit if
  • You need a complete yard care kit for a small property.
  • You prefer mulching or side discharge over bagging.
  • You want a steel deck for durability.
Skip if
  • You require self-propelled drive for hilly terrain.
  • You need a larger 22-inch cutting width.
  • You prefer a single-unit delivery for all equipment.

Verdict: PowerSmart 21-Inch Gas Mower & Trimmer Kit is a practical bundle for small yards. It fits buyers who value the convenience of a trimmer and mower combo over raw engine power.

4Best 22-inch
SENIX 22-Inch 170cc Self-Propelled Gas Mower

SENIX 22-Inch 170cc Self-Propelled Gas Mower

Best for: medium yards needing wider 22-inch cutting deck

Cutting Width
22-inch
Drive Type
Self-propelled
Mowing Functions
3-in-1 (mulching, discharge, bagging)
Motor Type
170 cc 4-cycle OHV
Height Adjustments
6-position (1.25" to 4")
Power Type
Gas

This SENIX 22-inch gas mower features a 170 cc OHV engine and self-propelled rear-wheel drive. It offers a 3-in-1 cutting system with a 19-gallon bagger, mulch plug, and side discharge. The 6-position height adjustment ranges from 1.25 to 4 inches. Weighing 72.8 pounds, it includes 8-inch front and 11-inch rear wheels for uneven terrain. It suits small to medium yards needing efficient coverage.

Pros
  • 22-inch cutting deck covers more ground per pass
  • 170 cc 4-cycle OHV engine provides consistent power
  • Self-propelled rear-wheel drive reduces pushing effort
  • 6-position height adjustment offers precise cutting control
  • Includes 19-gallon bagger for clean clippings removal
Cons
  • Heavier at 72.8 pounds compared to lighter push models
  • Single-speed drive offers less versatility than variable-speed options
  • 19-gallon bagger capacity is smaller than some larger commercial bags
Good fit if
  • You have a small to medium-sized yard
  • You prefer self-propelled ease over manual pushing
  • You need a 22-inch deck for faster coverage
Skip if
  • You require variable speed control for hilly terrain
  • You need a battery-powered electric mower
  • You want a lighter mower for easy transport

Verdict: SENIX 22" Self-Propelled Gas Mower fits homeowners with small to medium yards who want a wider cutting deck and self-propelled convenience. Its 170 cc engine and 22-inch deck make it a practical tool for efficient lawn maintenance.

5Best 80v
Greenworks 80V 21-Inch Push Lawn Mower

Greenworks 80V 21-Inch Push Lawn Mower

Best for: Quiet cordless mowing with included batteries

Cutting Width
21"
Drive Type
Push
Voltage
80V
Battery Capacity
5.0 Ah
Mowing Functions
4-in-1
Motor Type
Brushless

This is a 21-inch push mower powered by an 80V brushless motor. It includes a 5.0 Ah battery and charger. The unit weighs 84 pounds and offers seven height adjustments. You get a 4-in-1 system for mulching, bagging, or side discharge. This model suits users who want quiet operation and strong torque from a cordless system.

Pros
  • 80V brushless motor provides quiet operation and extended life
  • Includes 5.0 Ah battery and charger for immediate use
  • Seven-position height adjustment for varied grass lengths
  • 4-in-1 system supports mulching, bagging, and side discharge
Cons
  • Heavier build at 84 pounds compared to lighter gas models
  • Push drive type requires more effort on slopes than self-propelled options
  • Single battery capacity may limit runtime on larger lawns
Good fit if
  • You prefer quiet operation over gas engines
  • You want a complete kit with battery and charger included
  • You have a small to medium lawn under half an acre
Skip if
  • You need self-propelled power for hilly terrain
  • You already own multiple 80V tools and need only the mower
  • You prefer the simplicity of push-button gas starts

Verdict: Greenworks 21-Inch 80V Brushless Mower is a solid choice for homeowners seeking a quiet, powerful cordless solution. It fits those who value included batteries and a versatile cutting system for small to medium yards.

6Best 48v
Greenworks 48V 17in Push Mower

Greenworks 48V 17in Push Mower

Best for: small lawns under 1/3 acre

Cutting Width
17 in
Drive Type
Push
Voltage
48 V (24 V x 2)
Battery Capacity
4.0 Ah
Mowing Functions
2-in-1 (mulch, bag)
Motor Type
Brushless

This Greenworks mower uses two 24V batteries to create a 48V system with a brushless motor. It offers a 17-inch cutting width and includes two 4.0Ah batteries with a fast charger. The push design suits small yards up to 1/3 acre. You get mulch and bag options. The upright storage saves space. It fits buyers who prefer quiet, cordless operation for light to medium tasks.

Pros
  • 48V brushless motor provides smooth power
  • Includes two 4.0Ah batteries and fast charger
  • 2-in-1 mulch and bag system
  • Upright storage saves space
Cons
  • 17-inch cutting width is narrower than most 21-inch competitors
  • Push drive requires more effort than self-propelled models
  • 36.4-pound weight is heavier than some gas alternatives
Good fit if
  • You have a small lawn under 1/3 acre
  • You want a quiet, cordless cutting experience
  • You need space-saving upright storage
Skip if
  • You need to mow large lawns over 1/3 acre
  • You prefer the power of a self-propelled gas engine
  • You want a wider 21-inch cutting deck

Verdict: Greenworks 48V 17-Inch Push Mower is a compact, quiet option for small yards. It fits you if you value cordless convenience and space-saving storage over wide cutting decks.

7Also great
SENIX 21-Inch 170cc Self-Propelled Gas Mower

SENIX 21-Inch 170cc Self-Propelled Gas Mower

Best for: Moderate yards up to 1/3 acre

Cutting Width
21 in
Drive Type
Self-propelled, FWD
Mowing Functions
3-in-1 (mulch, bag, side discharge)
Motor Type
170 cc 4-cycle OHV gas
Height Adjustments
6 positions, 1.25-3.75 in
Engine Displacement
170cc

This SENIX model features a 170 cc OHV gas engine and a 21-inch steel cutting deck. It is a self-propelled push mower with front-wheel drive, designed to handle up to 1/3-acre yards. The unit offers three mowing functions and six height adjustments from 1.25 to 3.75 inches. Its 61.7-pound build provides stability, while the 8-inch front and 11-inch rear wheels aid maneuverability on uneven surfaces.

Pros
  • 170 cc 4-cycle OHV gas engine delivers 3.8 HP
  • 21-inch cutting width with durable high-strength steel deck
  • Self-propelled front-wheel drive reduces mowing fatigue
  • 6-position height adjustment ranges from 1.25 to 3.75 inches
  • 3-in-1 system includes mulching, side discharge, and bagging
Cons
  • Heavier at 61.7 pounds compared to lighter push mowers
  • Smaller 1.7-bushel grass bag capacity limits continuous mowing time
  • Front-wheel drive offers less traction on steep inclines
Good fit if
  • You need a self-propelled mower for yards up to 1/3 acre
  • You want a 21-inch cutting width for efficient coverage
  • You prefer a gas engine with easy startup and maintenance
Skip if
  • You require rear-wheel drive for steep hills
  • You prefer a lighter unit under 50 pounds
  • You have a yard larger than 1/3 acre

Verdict: SENIX 21" 170cc Self-Propelled Gas Mower suits homeowners with moderate-sized, relatively flat yards who want reduced effort during mowing. Its front-wheel drive and 21-inch deck provide a balanced mix of power and maneuverability for typical residential use.

Specifications side by side

SpecSENIX 20" 144cc Gas Mower with TrimmerPowerSmart 21-Inch 140cc Gas Push MowerPowerSmart 21-Inch Push Gas Mower KitSENIX 22-Inch 170cc Self-Propelled Gas MowerGreenworks 80V 21-Inch Push Lawn MowerGreenworks 48V 17in Push MowerSENIX 21-Inch 170cc Self-Propelled Gas Mower
Cutting Width20 in21"21"22-inch21"17 in21 in
Drive TypePushPush, rear-wheel drivepushSelf-propelledPushPushSelf-propelled, FWD
Voltage––––80V48 V (24 V x 2)–
Battery Capacity––––5.0 Ah4.0 Ah–
Mowing Functions–3-in-1 (bag, mulch, rear discharge)2-in-1 (side discharge, mulching)3-in-1 (mulching, discharge, bagging)4-in-12-in-1 (mulch, bag)3-in-1 (mulch, bag, side discharge)
Motor Type144 cc 4-cycle gas140cc OHV144cc 4-cycle OHV170 cc 4-cycle OHVBrushlessBrushless170 cc 4-cycle OHV gas
Height Adjustments3 settings6-position (1.5" – 3.9")–6-position (1.25" to 4")7 position–6 positions, 1.25-3.75 in
Power TypeGasGasGasGasGas–Gas
Engine Displacement144cc144cc144cc170cc––170cc
Included Equipment––Edger, Brush Cutter––––
Dimensions25.6 × 21.8 × 13 inches32.9 × 16.5 × 22.6 inches63 × 23 × 42 inches37.5 × 23.8 × 15.9 inches45 × 20 × 23 inches53.8 × 40.3 × 19.3 inches61 × 22.8 × 41.5 inches
Weight–31.8 pounds–72.8 pounds84 pounds36.4 pounds61.7 pounds
ColorBlack & BlueBlack&RedMulching MowerBluegreenGreenBlue
ModelLSPG-L4+GTS4QL-LB8721S2DB8621C+PS4532LSSG-H42552002LM1702A025054-A
Size––21-inch22INCH-170CC21" Mower (5.0Ah)New 17" (2 x 4.0Ah)21 Inch-170cc-6 Position

If you require a different cutting width, compare senix 144 cc gas lawn mower alternatives side by side.

Frequently asked questions

Which alternative has the widest cutting deck?

The SENIX 22-Inch 170cc Self-Propelled Gas Mower features the widest 22-inch cutting deck on this list. This width allows you to cover more ground per pass compared to the 20-inch or 21-inch models. It is ideal for medium yards where efficiency matters. The wider deck pairs with a 170 cc engine for consistent power.

Is there a cordless option included in this comparison?

Yes, the Greenworks 80V 21-Inch Push Lawn Mower is a cordless option. It uses an 80V brushless motor and includes a 5.0 Ah battery. This model offers quiet operation and eliminates the need for gasoline. It is a practical choice for buyers who prefer electric power over gas engines.

Which model is best for small yards?

The Greenworks 48V 17-Inch Push Mower is designed for small lawns under 1/3 acre. Its compact 17-inch cutting width and push drive make it easy to maneuver in tight spaces. The unit includes two 4.0 Ah batteries for extended runtime. This model prioritizes space-saving storage and quiet cordless convenience.

Does any alternative offer self-propelled drive?

Two SENIX models offer self-propelled drive: the 22-Inch 170cc and the 21-Inch 170cc versions. These models reduce effort during mowing, especially on slopes. The 21-Inch version features front-wheel drive for balanced maneuverability. Self-propulsion helps you maintain a steady pace without pushing the mower manually.

Which mower provides the most mowing functions?

The SENIX 21-Inch 170cc Self-Propelled Gas Mower and the PowerSmart 21-Inch 140cc Gas Push Mower both offer 3-in-1 mowing functions. These functions include mulching, bagging, and side discharge. This versatility lets you choose how to handle grass clippings based on your yard maintenance preferences.

Which bundle includes a trimmer?

The PowerSmart 21-Inch Push Gas Mower Kit includes a brush cutter, which functions similarly to a trimmer. It is a practical bundle for small yards needing both mower and edging capabilities. The kit also includes an edger. This combination provides a complete lawn care solution without requiring separate purchases.

See also