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Choosing the best 170cc lawn mowers requires comparing key specifications like engine displacement, drive type, and cutting width. We evaluated 13 models to help you find the right fit. Our top pick is the SENIX 22-Inch 170cc Self-Propelled Gas Mower because its 22-inch cutting deck covers more ground per pass than narrower options. All selections are based strictly on the published specs for these units. This guide helps you decide which mower matches your yard size and terrain needs.
Choose drive type by slope
All listed models feature self-propelled drives, but traction varies. Rear-wheel drive offers better grip on slopes, as seen in the PowerSmart and top SENIX picks. Front-wheel drive suits flat terrain. Match the drive to your yard's slope. Also, select a 21-inch or 22-inch deck based on how quickly you want to cover the grass.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | SENIX 22-Inch 170cc Self-Propelled Gas Mower Best overall | medium yards on flat terrain | |
| 2 | SENIX 21-Inch 170cc Self-Propelled Gas Mower Also great | Flat yards up to 1/3 acre with 21-inch cut | |
| 3 | SENIX 22-Inch 170cc Self-Propelled Gas Mower Also great | sloped lawns and heavy-duty mowing | |
| 4 | PowerSmart 21-Inch 170cc Self-Propelled Gas Mower Best budget | slopes and uneven terrain | |
| 5 | SENIX 21-Inch Self-Propelled Gas Mower Also great | Flat lawns needing mulching and bagging | |
| 6 | PowerSmart 21-Inch Rear-Wheel Drive Gas Mower Best premium | sloped medium to large yards | |
| 7 | PowerSmart 22-Inch Gas Self-Propelled Lawn Mower Also great | Larger yards needing a wide 22-inch cut | |
| 8 | PowerSmart 22-Inch 170cc Self-Propelled Gas Mower Kit Best 16-inch | yards needing mowing and edging | |
| 9 | PowerSmart 22-Inch Self-Propelled Gas Mower Also great | larger yards needing wider 22-inch cuts | |
| 10 | SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit Also great | buyers wanting a mower and two extra tools | |
| 11 | AMERISUN 21" Self-Propelled Gas Mower Also great | small to medium lawns needing precise height control | |
| 12 | PowerSmart 22-Inch 170cc Self-Propelled Best 2-in-1 | Uneven terrain and wider cutting needs | |
| 13 | SENIX 21-Inch 170cc Self-Propelled Mower Combo Best corded electric | Users wanting a mower and 60V tool bundle |
The best fit for you
- You need the best overall mower for flat medium yards – SENIX 22-Inch 170cc Self-Propelled Gas Mower – It features a 22-inch cutting deck and a 170cc engine for efficient mowing on flat terrain.
- You want the most lightweight model for easy maneuverability – PowerSmart 21-Inch 170cc Self-Propelled Gas Mower – Weighing 59 pounds, it is the lightest option and includes rear-wheel drive for slope control.
- You need a wide 22-inch cut for larger lawns – PowerSmart 22-Inch Gas Self-Propelled Lawn Mower – Its 22-inch cutting width covers more ground per pass, and it weighs 75 pounds for stability.
- You want a mower kit with an included edger – PowerSmart 22-Inch 170cc Self-Propelled Gas Mower Kit – This bundle includes an edger and brush cutter, adding versatility for yards with borders.
Is 170cc worth it for your lawn?
A 170cc engine delivers consistent power for self-propelled mowers. This displacement handles medium to large lawns efficiently. It supports 21-inch and 22-inch cutting decks without strain. You get reliable traction on slopes and steady performance on uneven ground. The power is sufficient for mulching, bagging, and side discharge functions. It balances capability with manageable weight for most homeowners.
Worth it if
- You have medium to large yards
- You need consistent power for mulching or bagging
- You mow on slopes or uneven terrain
Skip it if
- You have small lawns under 1/4 acre
- You prefer lightweight electric tools
- You only need basic side discharge
SENIX 22-Inch 170cc Self-Propelled Gas Mower
Best for: medium yards on flat terrain
- Engine Displacement
- 170cc
- 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")
This SENIX model features a 22-inch cutting deck and a 170cc 4-cycle OHV engine. It is a rear-wheel-drive, single-speed self-propelled mower. The unit includes a 19-gallon bagger and offers six height positions from 1.25 to 4 inches. It weighs 72.8 pounds. The design supports mulching, side discharge, and bagging. This mower suits users with small to medium yards who need efficient coverage.
- 22-inch cutting deck covers more ground per pass
- 170cc 4-cycle OHV engine provides reliable power
- Includes a 19-gallon bagger for debris collection
- Six-position height adjustment lever for varied lawn heights
- Single-speed drive offers less speed control than variable options
- 72.8-pound weight is heavier than lighter alternatives
- Rear-wheel drive provides less traction on steep slopes than front-wheel drive
- You want a wider 22-inch deck for faster mowing
- You need a self-propelled mower for small to medium yards
- You prefer rear-wheel drive for flat terrain
- You require variable speed control for the drive system
- You need front-wheel drive for steep or uneven hills
- You prefer a lighter mower under 70 pounds
Verdict: SENIX 22-Inch 170cc Self-Propelled Mower is a solid choice for homeowners with flat, medium-sized lawns who value a wider cutting deck and included bagging capability. It delivers consistent power through its 170cc engine and rear-wheel drive.
SENIX 21-Inch 170cc Self-Propelled Gas Mower
Best for: Flat yards up to 1/3 acre with 21-inch cut
- Engine Displacement
- 170cc
- 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
This SENIX mower features a 170cc OHV gas engine producing 3.8 HP. It offers a 21-inch cutting width and a 3-in-1 deck for mulching, bagging, or side discharge. The 6-position height adjustment ranges from 1.25 to 3.75 inches. It includes a 1.7-bushel bagger and 8-inch front and 11-inch rear wheels. This model weighs 61.7 pounds and is designed for flat yards up to 1/3 acre.
- 170cc 4-cycle OHV gas engine delivers 3.8 HP
- 21-inch cutting width with high-strength steel deck
- 3-in-1 mowing system includes mulch, bag, and side discharge
- 6-position height adjustment from 1.25 to 3.75 inches
- Includes a 1.7-bushel bagger for grass collection
- Front-wheel drive (FWD) offers less traction than rear-wheel drive on slopes
- Weighs 61.7 pounds, making it heavier than some competitors
- 1.7-bushel bag capacity is smaller than larger 22-inch models
- You need a reliable 170cc engine for yards up to 1/3 acre
- You prefer a 21-inch cutting width for maneuverability
- You want a 3-in-1 deck with a included bagger
- You require rear-wheel drive for hilly terrain
- You need a 22-inch cutting width for faster coverage
- You prefer a lighter mower under 60 pounds
Verdict: SENIX 21-Inch 170cc Self-Propelled Mower suits flat yards up to 1/3 acre where you need a 21-inch cut and a 170cc engine. It works best if you do not need rear-wheel drive traction.
SENIX 22-Inch 170cc Self-Propelled Gas Mower
Best for: sloped lawns and heavy-duty mowing
- Engine Displacement
- 170cc
- Cutting Width
- 22 in
- Drive Type
- Self-propelled, rear-wheel drive
- Mowing Functions
- 3-in-1
- Motor Type
- 170cc OHV 4-cycle
- Height Adjustments
- 6 positions, 1.25” to 4”
This SENIX mower features a 170cc OHV 4-cycle engine producing 3.8 HP. It has a 22-inch cutting width and rear-wheel drive for better traction on slopes. The 72.8-pound steel deck offers durability. You should choose this if you need a robust machine for uneven terrain. It handles thick grass well with its vortex deck design. The 6-position height adjustment suits various lawn conditions.
- 170cc OHV 4-cycle engine delivers 3.8 HP
- Rear-wheel drive provides superior traction on slopes
- 22-inch cutting width covers more ground per pass
- Heavy-duty steel deck resists deformation
- 6-position height adjustment from 1.25 to 4 inches
- Weighs 72.8 pounds, making it heavier than many competitors
- Only 6 height adjustment positions compared to some 7-position rivals
- 11-inch rear wheels are standard size, not extra-large
- You have hilly or uneven terrain requiring rear-wheel drive
- You prefer a heavy steel deck for durability
- You want a 22-inch cutting width for faster mowing
- You need a lightweight mower for easy storage or transport
- You prefer front-wheel drive for easier steering in tight spaces
- You want more than 6 cutting height settings
Verdict: SENIX 22-Inch Self-Propelled Gas Mower is a heavy-duty option for users with sloped lawns who value traction and durability over lightweight maneuverability. It fits those who prioritize a wide cutting path and robust steel construction.
PowerSmart 21-Inch 170cc Self-Propelled Gas Mower
Best for: slopes and uneven terrain
- Engine Displacement
- 170cc
- Cutting Width
- 21 in
- Drive Type
- Self-propelled (rear-wheel drive)
- Mowing Functions
- 3-in-1 (mulch, side discharge, bag)
- Motor Type
- 4-stroke OHV, 170 cc
- Height Adjustments
- 6 positions (1.5" – 3.9")
This PowerSmart mower features a 170cc OHV 4-stroke engine and rear-wheel drive for reliable traction on slopes. It offers a 21-inch steel cutting deck with 6 height positions from 1.5 to 3.9 inches. The 3-in-1 design supports mulching, side discharge, or rear bagging. Weighing 59 pounds, it folds for storage. It suits users needing durable steel construction and self-propelled control for uneven terrain.
- 170cc OHV 4-stroke engine with auto choke
- Rear-wheel drive for slope traction
- Durable steel deck construction
- 6-position height adjustment (1.5" to 3.9")
- 3-in-1 mulch, side discharge, and bagging
- 21-inch cutting width is narrower than the 22-inch models on this list
- 59-pound weight is heavier than lighter alternatives
- Single-lever height adjustment may be slower than dual-lever systems
- You need rear-wheel drive for slopes
- You prefer a durable steel deck
- You want a 3-in-1 mowing system
- You need a 22-inch cutting width
- You want a lighter mower under 50 pounds
- You prefer a plastic deck
Verdict: PowerSmart 21-Inch 170cc Gas Mower fits users who prioritize rear-wheel drive traction and a durable steel deck over a wider cutting path. It is a solid choice for uneven lawns where control matters more than speed.
SENIX 21-Inch Self-Propelled Gas Mower
Best for: Flat lawns needing mulching and bagging
- Engine Displacement
- 170cc
- Cutting Width
- 21 in
- Drive Type
- Self-propelled, front-wheel drive
- Mowing Functions
- 3-in-1
- Motor Type
- 170cc 4-cycle OHV
- Height Adjustments
- 6 positions, 1.25 to 3.75 inches
The SENIX 21-Inch Self-Propelled Gas Mower features a 170cc 4-cycle OHV engine producing 3.8 HP. It offers a 21-inch steel cutting deck with 6 height positions from 1.25 to 3.75 inches. This model uses front-wheel drive and supports mulching, side discharge, and bagging. It weighs 61.7 pounds and includes a 16-gallon collection bag for convenient grass management.
- 170cc 4-cycle OHV engine delivers 3.8 HP
- 21-inch steel deck with 6 height adjustments
- 3-in-1 mulching, side discharge, and bagging
- Front-wheel drive for controlled maneuvering
- Includes 16-gallon grass collection bag
- Front-wheel drive offers less traction on slopes than rear-wheel drive
- 61.7-pound weight is heavier than lighter alternatives
- 21-inch cutting width is narrower than 22-inch competitors
- You need reliable mulching and bagging capabilities
- You prefer front-wheel drive for flat lawns
- You want a 21-inch cutting width for standard yards
- You require rear-wheel drive for steep hills
- You prefer a 22-inch or wider cutting deck
- You want a lighter mower under 60 pounds
Verdict: SENIX 21-Inch Self-Propelled Gas Mower fits users who prioritize a balanced 21-inch cut and front-wheel drive control. It suits flat to gently sloping lawns where its 170cc engine provides sufficient power for efficient mowing.
PowerSmart 21-Inch Rear-Wheel Drive Gas Mower
Best for: sloped medium to large yards
- Engine Displacement
- 170cc
- Cutting Width
- 21 in
- Drive Type
- Rear-wheel drive, self-propelled
- Mowing Functions
- 3-in-1 (bag, mulch, rear discharge)
- Motor Type
- 170cc OHV
- Height Adjustments
- 6 positions, 1.5" to 3.9"
This PowerSmart mower features a 170cc OHV engine and a 21-inch steel deck. It uses rear-wheel drive for better traction on slopes. You get a 1.4-bushel bag and 6 height settings from 1.5 to 3.9 inches. The large 10-inch rear wheels help on uneven terrain. It offers 3-in-1 mulching, bagging, and discharge options for medium to large yards.
- 170cc OHV engine for consistent power
- 21-inch cutting width reduces mowing time
- Rear-wheel drive improves slope traction
- 10-inch rear wheels aid maneuverability
- 6-position height adjustment lever
- 21-inch deck is narrower than the 22-inch options on this list
- 1.4-bushel grass bag holds less than larger capacity alternatives
- Single-lever height adjustment is less precise than individual wheel controls
- You mow medium to large yards
- You need traction for slopes or uneven ground
- You want a single-lever height adjustment system
- You prefer a wider 22-inch cutting path
- You need individual wheel height controls
- You require a larger grass collection bag
Verdict: PowerSmart 21" Self-Propelled Gas Mower suits homeowners with sloped yards who value rear-wheel drive traction over a wider cutting deck.
PowerSmart 22-Inch Gas Self-Propelled Lawn Mower
Best for: Larger yards needing a wide 22-inch cut
- Engine Displacement
- 170cc
- Cutting Width
- 22 in.
- Drive Type
- Self-propelled
- Mowing Functions
- 3-in-1 (mulch, bag, discharge)
- Motor Type
- 170cc 4-stroke OHV
- Height Adjustments
- 6 positions (1.5" to 3.9")
This PowerSmart mower features a 170cc 4-stroke OHV engine and a 22-inch steel cutting deck. It uses rear-wheel drive for better traction on slopes. You get a 60L grass bag and six height settings from 1.5 to 3.9 inches. The 75-pound build offers stability. It suits larger yards where you need a wide cut path and reliable self-propelled power.
- 22-inch steel cutting deck for wider coverage
- 170cc 4-stroke OHV engine for thick grass
- Rear-wheel drive improves traction on slopes
- 60L grass bag reduces emptying frequency
- 6-position height adjustment from 1.5 to 3.9 inches
- 75-pound weight is heavier than many 21-inch rivals
- 22-inch deck may be too wide for tight garden spaces
- Recoil start requires manual effort rather than electric push-button ignition
- You need a wider 22-inch cut path to finish mowing faster
- You mow on slopes where rear-wheel drive traction helps
- You prefer a durable steel deck for long-term durability
- You have narrow pathways that cannot accommodate a 22-inch deck
- You want a lighter mower for easy storage or transport
- You prefer electric start over manual recoil pull
Verdict: PowerSmart 22-Inch 170cc Self-Propelled is a solid choice for homeowners with medium to large lawns who need a wide cutting path and reliable traction on uneven ground.
PowerSmart 22-Inch 170cc Self-Propelled Gas Mower Kit
Best for: yards needing mowing and edging
- Engine Displacement
- 170cc
- Cutting Width
- 22 in.
- Drive Type
- Self-propelled, rear-wheel drive
- Mowing Functions
- Mulching, bagging, rear-discharging
- Motor Type
- 170cc 4-cycle
- Power Type
- Gas
This bundle pairs a 22-inch self-propelled mower with a 16-inch string trimmer. The mower uses a 170cc 4-cycle engine with rear-wheel drive. The trimmer features a 25.4cc 2-cycle engine. It offers mulching, bagging, and rear-discharge options. You get two tools in one package. This setup handles large yards and edge work efficiently.
- 22-inch cutting width for faster coverage
- Includes a 16-inch string trimmer and edger
- Rear-wheel drive traction on slopes
- Three mowing functions: mulch, bag, discharge
- Single speed of 3.6 km/h limits pace
- Overall length reaches 60 inches for storage
- Trimmer uses a smaller 25.4cc engine
- You need a trimmer for yard edges
- You want rear-wheel drive traction
- You prefer mulching or bagging options
- You require variable speed control
- You have tight storage spaces
- You only need a mower alone
Verdict: PowerSmart 22-Inch 170cc Mower & Trimmer Kit fits homeowners who want to tackle both mowing and edging with a single purchase. The included trimmer adds value for yards with borders.
PowerSmart 22-Inch Self-Propelled Gas Mower
Best for: larger yards needing wider 22-inch cuts
- Engine Displacement
- 170cc
- Cutting Width
- 22"
- Drive Type
- Self-propelled
- Mowing Functions
- 3-in-1
- Motor Type
- 170cc 4-stroke OHV
- Height Adjustments
- 6 positions (1.5" to 3.9")
This PowerSmart mower features a 170cc 4-stroke OHV engine and a 22-inch steel deck. It uses rear-wheel drive for traction on slopes and offers 6 height positions from 1.5 to 3.9 inches. The 3-in-1 system supports mulching, bagging, or rear discharge. It weighs 68 pounds and folds for storage. This model suits users needing a wider cut path and reliable self-propelled performance for medium to large yards.
- 22-inch cutting width for faster coverage
- 170cc 4-stroke OHV engine for thick grass
- Rear-wheel drive traction on uneven terrain
- 6 height positions from 1.5 to 3.9 inches
- 3-in-1 mulch, bag, or discharge system
- 68-pound weight is heavier than lighter 21-inch competitors
- Only 6 height adjustment positions compared to some 7-position rivals
- Recoil start requires manual effort instead of electric push-button ignition
- You need a wider 22-inch cutting path to finish jobs faster
- You mow on slopes where rear-wheel drive traction helps
- You want a folding handle for compact garage storage
- You prefer a lighter 21-inch model for easy maneuvering
- You require an electric start system for effortless ignition
- You need more than 6 height adjustment positions
Verdict: PowerSmart EasyDrive Pro 22-Inch delivers a wider 22-inch cut and robust rear-wheel drive for users tackling larger or uneven lawns. It fits buyers who prioritize cutting speed and traction over lightweight portability.
SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit
Best for: buyers wanting a mower and two extra tools
- Engine Displacement
- 170cc
- Cutting Width
- 21 in
- Drive Type
- Self-propelled
- Mowing Functions
- 3-in-1 (mulch, bag, side discharge)
- Motor Type
- 170 cc 4-cycle gas
- Height Adjustments
- 6 positions
This SENIX 21-inch self-propelled mower comes with a 26.5cc string trimmer and leaf blower. It features a 170cc four-cycle engine and a 21-inch cutting width. The steel deck offers three mowing functions. You get six height adjustments. The set weighs 61.7 pounds. It suits you if you want multiple yard tools in one package.
- Includes a 26.5cc gas string trimmer
- Includes a 26.5cc handheld leaf blower
- Three-in-one mowing functions
- Six-position height adjustment
- Heavier build at 61.7 pounds
- Smaller 21-inch cutting width
- Arrives in three separate packages
- You want a mower and two extra tools
- You prefer a self-propelled 21-inch deck
- You need a steel mowing deck
- You want a single box delivery
- You prefer a lighter unit under 60 pounds
- You need a 22-inch cutting width
Verdict: SENIX 21-Inch 170cc 3-Tool Combo fits you if you need a mower plus a trimmer and blower. It works well for small to medium yards where the extra tools add value.
AMERISUN 21" Self-Propelled Gas Mower
Best for: small to medium lawns needing precise height control
- Engine Displacement
- 170cc
- Cutting Width
- 21 in
- Drive Type
- Self-propelled
- Mowing Functions
- 3-in-1 (mulch, bag, side discharge)
- Motor Type
- 170cc 4-cycle OHV
- Height Adjustments
- 6 positions, 1.5-3.9 in
The AMERISUN 21" mower uses a 170cc OHV engine for steady power. Its 21-inch steel deck cuts efficiently, while the 6-position height adjustment (1.5–3.9 inches) handles various grass lengths. You get a 1.4-bushel bagger for clean collection. The self-propelled drive reduces effort on uneven terrain. This 3-in-1 model supports mulching, side discharge, and bagging for versatile yard maintenance.
- 170cc OHV 4-cycle engine with auto choke
- 21-inch cutting width with steel deck
- 6-position height adjustment from 1.5 to 3.9 inches
- 1.4-bushel rear grass catcher included
- Self-propelled drive for reduced effort
- 21-inch cutting width is smaller than the 22-inch options on this list
- 1.4-bushel bag capacity is smaller than typical 2.5-bushel competitors
- Foldable handle adds complexity compared to fixed-handle designs
- You want a self-propelled mower with a 21-inch deck
- You need 6 height settings for precise grass control
- You prefer a steel deck for durability
- You require a 22-inch cutting width
- You need a bag capacity larger than 1.4 bushels
- You prefer a fixed handle for simpler storage
Verdict: AMERISUN 21" Self-Propelled Gas Mower fits users who value a durable steel deck and versatile 3-in-1 functions. It is ideal for small to medium lawns where a 21-inch deck provides precise control.
PowerSmart 22-Inch 170cc Self-Propelled
Best for: Uneven terrain and wider cutting needs
- Engine Displacement
- 170cc
- Cutting Width
- 22 in.
- Drive Type
- Self-propelled
- Motor Type
- 170cc OHV
- Power Type
- Gas
- Mowing Functions
- 2-in-1
This PowerSmart mower features a 170cc OHV engine and a 22-inch steel deck. It uses a rear-wheel-drive system with single-speed propulsion at 3.6 km/h. The unit includes 10-inch rear wheels for stability on slopes. You get a 1.4-bushel bag for clippings. It is a practical option for medium-sized lawns where traction on uneven ground matters more than variable speed control.
- 22-inch cutting width covers more ground per pass
- 10-inch rear wheels provide stability on inclines
- Rear-wheel drive offers traction on uneven terrain
- 1.4-bushel collection bag simplifies cleanup
- Single-speed drive at 3.6 km/h limits pace adjustment
- 68-pound weight is heavier than many 21-inch competitors
- You need extra traction for slopes or uneven ground
- You prefer a wider 22-inch cutting deck
- You want large rear wheels for stability
- You require variable speed control for different walking paces
- You need a lighter mower for easy storage
- You prefer a 21-inch cutting width
Verdict: PowerSmart 22-Inch 170cc Self-Propelled suits users who prioritize deck width and slope traction over speed versatility. It is a solid choice for uneven lawns where rear-wheel drive and large wheels keep you moving steadily.
SENIX 21-Inch 170cc Self-Propelled Mower Combo
Best for: Users wanting a mower and 60V tool bundle
- Engine Displacement
- 170cc
- Cutting Width
- 21 in
- Drive Type
- Self-propelled
- Mowing Functions
- 3-in-1 (mulch, side discharge, bag)
- Motor Type
- 170cc 4-cycle
- Height Adjustments
- 6 positions
This SENIX model combines a 170cc gas mower with a 60V cordless tool system. It offers a 21-inch cutting width and six height positions. The package includes a 60V string trimmer, edger, and leaf blower. You get a 3.0 Ah battery and charger. The mower weighs 61.7 pounds. This setup suits users who want multiple yard tools from one brand.
- Includes 60V string trimmer and edger attachments
- Includes 6-Amp leaf blower with 260 CFM output
- 3-in-1 mowing functions for mulching or bagging
- X6 60V battery works across multiple SENIX tools
- Heavier build at 61.7 pounds compared to standard mowers
- Standard 21-inch cutting width is narrower than 22-inch competitors
- You want a gas mower and cordless trimmer in one purchase
- You prefer the SENIX 60V battery ecosystem for other tools
- You need a leaf blower for clearing driveways and sidewalks
- You prefer a lighter mower under 55 pounds
- You want a wider 22-inch or 24-inch cutting deck
- You do not need a string trimmer or edger
Verdict: SENIX 21" Gas Mower with 60V Tools is a multi-tool solution for users who want to replace their gas mower, string trimmer, and leaf blower with one SENIX battery system. It fits yards where you need versatile debris management alongside mowing.
Specifications side by side
| Spec | SENIX 22-Inch 170cc Self-Propelled Gas Mower | SENIX 21-Inch 170cc Self-Propelled Gas Mower | SENIX 22-Inch 170cc Self-Propelled Gas Mower | PowerSmart 21-Inch 170cc Self-Propelled Gas Mower | SENIX 21-Inch Self-Propelled Gas Mower | PowerSmart 21-Inch Rear-Wheel Drive Gas Mower | PowerSmart 22-Inch Gas Self-Propelled Lawn Mower | PowerSmart 22-Inch 170cc Self-Propelled Gas Mower Kit | PowerSmart 22-Inch Self-Propelled Gas Mower | SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit | AMERISUN 21" Self-Propelled Gas Mower | PowerSmart 22-Inch 170cc Self-Propelled | SENIX 21-Inch 170cc Self-Propelled Mower Combo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cutting Width | 22-inch | 21 in | 22 in | 21 in | 21 in | 21 in | 22 in. | 22 in. | 22" | 21 in | 21 in | 22 in. | 21 in |
| Drive Type | Self-propelled | Self-propelled, FWD | Self-propelled, rear-wheel drive | Self-propelled (rear-wheel drive) | Self-propelled, front-wheel drive | Rear-wheel drive, self-propelled | Self-propelled | Self-propelled, rear-wheel drive | Self-propelled | Self-propelled | Self-propelled | Self-propelled | Self-propelled |
| Mowing Functions | 3-in-1 (mulching, discharge, bagging) | 3-in-1 (mulch, bag, side discharge) | 3-in-1 | 3-in-1 (mulch, side discharge, bag) | 3-in-1 | 3-in-1 (bag, mulch, rear discharge) | 3-in-1 (mulch, bag, discharge) | Mulching, bagging, rear-discharging | 3-in-1 | 3-in-1 (mulch, bag, side discharge) | 3-in-1 (mulch, bag, side discharge) | – | 3-in-1 (mulch, side discharge, bag) |
| Motor Type | 170 cc 4-cycle OHV | 170 cc 4-cycle OHV gas | 170cc OHV 4-cycle | 4-stroke OHV, 170 cc | 170cc 4-cycle OHV | 170cc OHV | 170cc 4-stroke OHV | 170cc 4-cycle | 170cc 4-stroke OHV | 170 cc 4-cycle gas | 170cc 4-cycle OHV | 170cc OHV | 170cc 4-cycle |
| Height Adjustments | 6-position (1.25" to 4") | 6 positions, 1.25-3.75 in | 6 positions, 1.25” to 4” | 6 positions (1.5" – 3.9") | 6 positions, 1.25 to 3.75 inches | 6 positions, 1.5" to 3.9" | 6 positions (1.5" to 3.9") | – | 6 positions (1.5" to 3.9") | 6 positions | 6 positions, 1.5-3.9 in | – | 6 positions |
| Power Type | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Corded Electric |
| Voltage | – | – | – | – | – | – | – | – | – | – | – | – | 60V |
| Engine Displacement | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc |
| Application | – | – | – | – | – | Slopes | – | – | – | – | – | – | – |
| Included Equipment | – | – | – | – | – | – | – | Edger, Brush Cutter | – | Leaf Blower | – | – | Leaf Blower, Edger |
| Engine Stroke | – | – | – | 4-Stroke | – | – | – | – | – | – | – | – | – |
| Dimensions | 37.5 × 23.8 × 15.9 inches | 61 × 22.8 × 41.5 inches | 32.8 × 24.1 × 15.9 inches | 56.5 × 22 × 42.5 inches | 61 × 22.8 × 41.5 inches | 32.9 × 16.5 × 22.6 inches | 59.8 × 22.8 × 38.4 inches | 60 × 23 × 39 inches | 59.8 × 38.4 × 22.8 inches | 61 × 22.8 × 41.5 inches | 32.9 × 16.5 × 22.6 inches | 59.8 × 22.8 × 38.4 inches | 61 × 22.8 × 41.5 inches |
| Weight | 72.8 pounds | 61.7 pounds | 72.8 pounds | 59 pounds | 61.7 pounds | – | 75 pounds | – | 68 pounds | 61.7 pounds | – | 68 pounds | 61.7 pounds |
| Size | 22INCH-170CC | 21 Inch-170cc-6 Position | – | 21 Inch-170cc | 21-Inch Gas-Powered | – | 22 in. – 170 cc – Self Propelled | 22" Red Mower & Trimmer | 22 Inch-170cc | 21 inch Self-Propelled 3-Piece Set | 3IN1 Self-Propelled Gas Lawn Mower | – | – |
| Color | Blue | Blue | Black | Black | Blue | Ink | Black | Red | Black | Blue | Black | Red | Blue |
| Model | LSSG-H4 | A025054-A | LSSG-H4 | DB8621S | LSSG-M10-III | V8721S1 | DB8622S | V8622S1+PS4532 | DB8622S | 3-GAS TOOLS | AV8621S1 | V8622S1 | M10-S606-BLE06 |
You can compare cutting deck widths and engine specs side by side across the best 170cc lawn mowers.
How We Selected 170cc Mowers
We identified each mower by checking the product title and feature lists on Amazon for the 170cc engine displacement specification. This ensures every model listed meets your core power requirement. We only included one size or variant from each product family to keep the comparison clear and focused on your needs. All data comes directly from the published specifications on the listings. We do not handle or test these machines physically. Our analysis relies strictly on the details provided by the manufacturers in their product descriptions. We ordered the products by availability first, then by overall rating weighted by count, and finally by how many guide criteria each spec set meets. This method helps you find the most relevant options quickly. We never quote prices or personal experiences. You can trust that every listed mower has been verified for this specific engine size.
How to choose the right 170cc mower
Select cutting width
Cutting width determines how much grass you remove in a single pass. Wider decks cover more ground but require more storage space. You have a choice between 21-inch and 22-inch models. The SENIX 22-Inch Self-Propelled Gas Mower offers a 22-inch path for faster coverage on larger lawns. Smaller yards may suit the 21-inch options better. Measure your gate width to ensure the mower fits through. Check the product title for the exact inch measurement. Match the deck size to your lawn dimensions for efficiency.
Check drive type
All listed models feature self-propelled drives, but traction varies by terrain. Rear-wheel drive provides superior grip on slopes and uneven ground. The PowerSmart 21-Inch Rear-Wheel Drive Gas Mower excels here. Front-wheel drive offers lighter maneuverability for flat lawns. The SENIX 21-Inch Self-Propelled Gas Mower uses front-wheel drive for flat terrain control. Choose rear-wheel drive if your yard has hills. Select front-wheel drive for flat, open spaces. This spec affects how easily you push the mower forward.
Review mowing functions
Mowing functions define how clippings are handled. Most models support 3-in-1 capabilities: mulching, bagging, and side discharge. Mulching returns nutrients to the soil. Bagging collects clippings for a clean look. Side discharge clears tall grass quickly. The SENIX 22-Inch 170cc Self-Propelled Gas Mower includes all three functions. Some kits exclude bagging. Verify the attribute list for your preferred method. Side discharge requires open space. Mulching needs sharp blades. Choose based on your yard maintenance preferences.
Consider included equipment
Some models come with additional tools like trimmers or blowers. These kits save space and consolidate power sources. The PowerSmart 22-Inch 170cc Self-Propelled Gas Mower Kit includes an edger and brush cutter. The SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit adds a leaf blower. These bundles suit yards with borders and heavy debris. Check the included equipment attribute. Ensure the extra tools match your needs. Single-purpose mowers are lighter and simpler. Kits offer versatility but add complexity. Select based on your total yard care requirements.
Note voltage for kits
Some bundles mix gas mowers with electric tools. The SENIX 21-Inch 170cc Self-Propelled Mower Combo includes 60V tools. This voltage powers the included trimmer and blower. Gas engines handle mowing, while electric tools manage edges and debris. Check the voltage attribute for compatible accessories. This mix offers flexibility for different tasks. Ensure you have charging stations for the 60V batteries. Gas refueling remains necessary for the mower. This hybrid approach suits users wanting varied tool options without full electric conversion.
Compare physical dimensions
Physical dimensions affect storage and maneuverability. Height determines if the mower fits in your garage. Length impacts turning radius in tight spaces. The PowerSmart 21-Inch Rear-Wheel Drive Gas Mower is compact at 32.9 inches long. The SENIX 21-Inch Self-Propelled Gas Mower is longer at 61 inches. Measure your storage area before buying. Taller models may not fit standard sheds. Check the specs for width, height, and length. Narrower decks help in tight spaces. Compact models are easier to lift and move.
Assess engine stroke
Engine stroke impacts maintenance and oil changes. Four-stroke engines do not require oil mixing with fuel. The PowerSmart 21-Inch 170cc Self-Propelled Gas Mower specifies a 4-stroke engine. This design is cleaner and easier to maintain. Two-stroke engines need pre-mixed fuel. Check the attributes for stroke type. Four-stroke engines offer better fuel efficiency. They also produce fewer emissions. This spec is crucial for long-term upkeep. Ensure you have the correct oil for four-stroke models. This detail simplifies regular maintenance routines.
Frequently asked questions
Which 170cc mower is best for sloped lawns?
The PowerSmart 21-Inch Rear-Wheel Drive Gas Mower is ideal for slopes. Its rear-wheel drive provides superior traction on uneven ground compared to front-wheel drive models. The SENIX 22-Inch Self-Propelled Gas Mower also offers robust steel construction and strong grip for heavy-duty mowing on inclines.
Do all 170cc mowers include bagging capabilities?
Most models support bagging, but specifications vary. The SENIX 22-Inch Best Overall pick includes mulching, bagging, and side discharge functions. The PowerSmart 22-Inch Gas Self-Propelled Lawn Mower supports 3-in-1 mulching and side discharge. Always check the mowing functions list to confirm bagging compatibility for your needs.
What is the lightest 170cc self-propelled mower?
The PowerSmart 21-Inch 170cc Self-Propelled Gas Mower is the lightest option at 59 pounds. Its compact design aids maneuverability on smaller or uneven lawns. Other models like the SENIX 21-Inch variants weigh 61.7 pounds, while heavier steel-deck models reach up to 75 pounds for added durability.
Can I get a 170cc mower with extra tools?
Yes, several kits include additional equipment. The PowerSmart 22-Inch 170cc Self-Propelled Gas Mower Kit comes with an edger and brush cutter. The SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit includes a leaf blower. These bundles offer versatility for yard maintenance beyond standard mowing tasks.
Is a 22-inch cutting deck better than 21-inch?
A 22-inch deck covers more ground per pass, reducing mowing time. The SENIX 22-Inch Self-Propelled Gas Mower and PowerSmart 22-Inch models offer this wider cut. However, 21-inch decks provide precise control on smaller or obstacle-filled lawns. Choose based on your yard size and storage constraints.
Do these mowers support mulching?
Yes, most listed models support mulching. The SENIX 22-Inch Best Overall pick and the SENIX 21-Inch models offer 3-in-1 functions including mulching. The PowerSmart 22-Inch 170cc Self-Propelled also supports 3-in-1 mulching and side discharge. Mulching returns nutrients to the soil, reducing the need for bagging.
