As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
The SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit offers a complete yard care system with a 21-inch cutting width and a 170cc engine. This senix 21 inch 170cc self propelled mower alternatives list explores other options that share these core specifications. The original model includes a string trimmer and leaf blower, which appeals to users seeking versatility in a single gas-powered setup. However, you might prefer a different configuration if you do not need the extra tools or want a simpler mowing-only unit.
The alternatives in this guide were chosen because their specs overlap with the original product. You will find other 21-inch, 170cc self-propelled gas mowers from brands like PowerSmart and AMERISUN. Some options feature rear-wheel drive for better traction on slopes, while others focus on flat lawn maneuverability. You can compare the drive type, deck material, and included equipment to find the right fit for your yard. This selection helps you identify the best tool for your specific terrain and maintenance needs without unnecessary extras.
How each alternative compares
SENIX 21-Inch 170cc Self-Propelled Gas Mower
This SENIX model drops the included trimmer and blower, leaving you with just the mower. It keeps the same 170cc engine and 21-inch cutting width, but focuses on a simpler setup for flat yards under one-third acre. You gain easier maneuverability and pivoting without the bulk of extra tools. However, it lacks the traction needed for steep inclines, making it less versatile than the three-tool kit. If you only need mowing and want a lighter, single-task machine, this version suits you better. It offers the same steel deck and 3-in-1 functions but removes the convenience of having a blower and trimmer ready for immediate use.
PowerSmart 21-Inch 170cc Self-Propelled Gas Mower
The PowerSmart model shifts the drive to the rear wheels, prioritizing traction on slopes and uneven terrain over the front-wheel drive found in the SENIX kit. It retains the 170cc 4-stroke engine and 21-inch cutting width, ensuring similar cutting power. You get a lighter machine at 59 pounds, which aids portability, but you lose the included leaf blower and string trimmer. This mower is ideal if your yard has hills or irregular ground where grip matters more than having multiple tools. It sacrifices the comprehensive yard care package for better performance on challenging topography, making it a practical choice for homeowners with sloped lawns who do not need auxiliary tools.
SENIX 21-Inch Self-Propelled Gas Mower
This SENIX variant is a single mower without the combo kit, retaining the 170cc engine and 21-inch steel deck. It offers the same 3-in-1 mowing functions for mulching, bagging, or side discharge. You gain a focused mowing experience without the complexity of managing two additional gas tools. The front-wheel drive provides sufficient ease for flat to moderately uneven lawns. However, it does not include the leaf blower or trimmer, so you must purchase those separately if needed. This model is best for users who already have auxiliary tools or prefer to buy them separately. It delivers reliable mowing performance with the same durable construction as the kit version.
PowerSmart 21-Inch Rear-Wheel Drive Gas Mower
This PowerSmart mower emphasizes rear-wheel drive for superior traction on slopes, a significant difference from the SENIX kit's front-wheel drive. It features a 170cc engine and 21-inch cutting width, matching the core power specs. You get a machine designed specifically for uneven terrain, sacrificing the included trimmer and blower for better handling on hills. The design prioritizes durability and grip over multi-tool versatility. If your primary concern is navigating steep inclines without slipping, this model is a strong alternative. It offers the same gas power and cutting width but focuses entirely on mowing performance on difficult ground, making it unsuitable for those who want a complete yard care system in one package.
AMERISUN 21" Self-Propelled Gas Mower
The AMERISUN model shares the 170cc engine and 21-inch cutting width, offering comparable mowing power. It features a durable steel deck and 3-in-1 functions for bagging and side discharge. You get a focused mowing machine without the extra weight and maintenance of a blower and trimmer. The design is compact, though specific dimensions vary slightly from the SENIX kit. This option is best for small to medium lawns where you need reliable steel construction without the bulk of a combo kit. It gives up the convenience of included auxiliary tools but provides a solid, single-purpose mower for homeowners who prioritize deck durability and versatile mowing functions over having a complete tool set.
SENIX 22-Inch 201cc Gas Mower with Combo Kit
This SENIX model upgrades to a 22-inch cutting width and a 201cc engine, providing more power and a wider cut than the 170cc original. It includes a leaf blower, similar to the main kit, but omits the string trimmer. You gain better coverage per pass and stronger engine performance for larger yards. The package is heavier at 66 pounds, reflecting the more robust components. This version is ideal for homeowners who want a wider deck and a full tool kit without the trimmer. It delivers strong power and versatile yard care in one package, making it a superior choice for those with larger lawns who need extra cutting width and engine displacement compared to the standard 21-inch model.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit Best overall | yard care tasks beyond just mowing | |
| 2 | SENIX 21-Inch 170cc Self-Propelled Gas Mower Best premium | Flat yards under 1/3 acre with easy maneuverability needs | |
| 3 | PowerSmart 21-Inch 170cc Self-Propelled Gas Mower Best budget | slopes and uneven terrain | |
| 4 | SENIX 21-Inch Self-Propelled Gas Mower Also great | mulching, bagging, and side discharge on flat lawns | |
| 5 | PowerSmart 21-Inch Rear-Wheel Drive Gas Mower Best slopes | slopes and uneven terrain | |
| 6 | AMERISUN 21" Self-Propelled Gas Mower Also great | small to medium lawns needing durable steel construction | |
| 7 | SENIX 22-Inch 201cc Gas Mower with Combo Kit Also great | Larger yards needing wide cutting and tool versatility |
SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit
Best for: yard care tasks beyond just mowing
- 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
- Engine Displacement
- 170cc
This SENIX combo includes a 21-inch self-propelled gas mower with a 170cc engine, a 26.5cc string trimmer, and a 26.5cc leaf blower. The mower offers 6 height positions and 3-in-1 mulching, bagging, and side discharge. The included tools use 4-cycle engines for regular gasoline. It is a practical choice for homeowners who want to handle mowing, edging, and leaf cleanup with a single purchase.
- Includes a 26.5cc gas string trimmer with 17-inch cutting width
- Includes a 26.5cc handheld leaf blower with 410 CFM air volume
- Mower features 6-position height adjustment for versatile cutting
- Self-propelled drive reduces effort on varied terrain
- 3-in-1 steel deck supports mulching, bagging, and side discharge
- Total weight is 61.7 pounds, which is heavier than standard single mowers
- Shipping arrives in three separate packages, requiring more assembly steps
- Cutting width is 21 inches, which is narrower than the 22-inch option available from the same brand
- You want to mow, trim weeds, and blow leaves with one purchase
- You prefer self-propelled mowers to reduce physical strain
- You need a 3-in-1 mower for mulching or bagging
- You prefer a lighter mower under 50 pounds
- You want a single unit without multiple shipping boxes
- You need a wider 22-inch cutting deck
Verdict: SENIX 21-Inch 170cc Mower with Trimmer and Blower is a complete yard care system for users who value having a trimmer and blower included. It suits those who want to handle multiple tasks with a single gas-powered setup.
SENIX 21-Inch 170cc Self-Propelled Gas Mower
Best for: Flat yards under 1/3 acre with easy maneuverability needs
- 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
The SENIX 21-Inch 170cc Self-Propelled Mower features a 170 cc 4-cycle OHV engine delivering 3.8 HP. Its 21-inch steel deck supports 3-in-1 mulching, bagging, and side discharge. Six cutting positions range from 1.25 to 3.75 inches. The front-wheel drive system aids maneuverability on flat terrain. It includes a 1.7-bushel bagger and weighs 61.7 pounds. This model suits users seeking reliable gas power for small to medium yards.
- 170 cc OHV engine provides 3.8 HP and 6.5 ft-lb torque
- 21-inch steel deck supports mulching, bagging, and side discharge
- 6-position height adjustment from 1.25 to 3.75 inches
- Front-wheel drive simplifies guiding and pivoting around obstacles
- Front-wheel drive offers less traction on slopes than rear-wheel drive
- 1.7-bushel bagger capacity is smaller than larger models in this category
- 61.7-pound weight is heavier than some lighter alternatives
- You have a flat yard under 1/3 acre
- You prefer the convenience of front-wheel drive for easy pivoting
- You want a 3-in-1 cutting system with mulching and bagging
- You need to mow steep slopes requiring rear-wheel drive traction
- You prefer a lighter mower for easy storage or lifting
- You need a larger bagger for frequent grass disposal
Verdict: SENIX 21-Inch 170cc Self-Propelled Mower fits users with flat yards who value easy pivoting and a versatile 3-in-1 deck. It delivers reliable power for small jobs but lacks the traction needed for steep inclines.
PowerSmart 21-Inch 170cc Self-Propelled Gas Mower
Best for: slopes and uneven terrain
- 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")
- Power Type
- Gas
The PowerSmart 21-inch mower features a 170cc 4-stroke OHV engine and rear-wheel drive. It offers a 3-in-1 mowing system and a durable steel deck. The cutting height adjusts through six positions from 1.5 to 3.9 inches. This model weighs 59 pounds. It suits users who need reliable traction on slopes and easy storage via a foldable handle.
- Rear-wheel drive for strong traction on uneven terrain
- 170cc 4-stroke OHV engine with auto choke
- 6-position height adjustment from 1.5 to 3.9 inches
- 3-in-1 versatility for mulching, side discharge, or bagging
- Durable steel deck construction
- Weighs 59 pounds, which is heavier than some lighter alternatives
- Only 6 height adjustment positions, fewer than the 7-position options on some competitors
- Single-speed rear-wheel drive, lacking variable speed control found in higher-end models
- You need reliable rear-wheel traction for slopes
- You prefer a durable steel deck over plastic
- You want a mower that folds for compact storage
- You require variable speed self-propulsion
- You need more than 6 cutting height settings
- You prefer a lighter unit under 55 pounds
Verdict: PowerSmart 21-Inch 170cc Rear-Drive Mower fits homeowners who prioritize traction and durability on uneven lawns over lightweight portability or advanced speed controls.
SENIX 21-Inch Self-Propelled Gas Mower
Best for: mulching, bagging, and side discharge on flat lawns
- 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
- Power Type
- Gas
This SENIX mower features a 21-inch cutting width and a 170cc 4-cycle OHV engine delivering 3.8 HP. It operates as a self-propelled front-wheel drive unit with a durable high-strength steel deck. You get six height adjustments from 1.25 to 3.75 inches and a 3-in-1 mulching, bagging, and side discharge system. The 16-gallon bag and 8-inch front wheels help manage typical residential lawns.
- 170cc 4-cycle OHV engine produces 3.8 HP and 6.5 ft-lb of torque
- 21-inch high-strength steel deck supports mulching, side discharge, and rear bagging
- Self-propelled front-wheel drive with 8-inch front and 11-inch rear wheels
- Six-position height adjustment ranging from 1.25 to 3.75 inches
- Front-wheel drive offers less traction on steep slopes than rear-wheel drive models
- 170cc engine displacement is lower than the 201cc option available from SENIX
- Six height positions are fewer than the eight positions found on some competitors
- You need a versatile 3-in-1 mower for mulching or bagging
- You want a self-propelled mower for easy maneuvering on uneven terrain
- You prefer a high-strength steel deck for durability
- You require rear-wheel drive for maximum traction on steep hills
- You need more than six cutting height adjustments
- You prefer a larger 201cc engine for extra power
Verdict: SENIX 21-Inch 170cc Self-Propelled Mower suits homeowners who value a durable steel deck and flexible mulching or bagging options. It is a solid choice for flat to moderately uneven lawns where front-wheel drive provides sufficient ease of use.
PowerSmart 21-Inch Rear-Wheel Drive Gas Mower
Best for: slopes and uneven terrain
- 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"
- Power Type
- Gas
This PowerSmart mower features a 170cc OHV engine and 21-inch steel deck. It uses rear-wheel drive with 10-inch rear wheels for traction on slopes. You get 6 height settings from 1.5 to 3.9 inches. The 3-in-1 system handles bagging, mulching, or rear discharge. The 1.4-bushel bag collects clippings efficiently. It suits medium to large yards with uneven terrain.
- Rear-wheel drive provides traction on slopes
- 10-inch rear wheels improve maneuverability
- 170cc OHV engine delivers consistent power
- 6 height positions adjust from 1.5 to 3.9 inches
- 1.4-bushel collection bag reduces frequent emptying
- 1.4-bushel bag holds less than larger 22-inch models
- 6 height settings are fewer than 7-position competitors
- 170cc engine has lower displacement than 201cc alternatives
- You mow on slopes or uneven ground
- You need rear-wheel drive for better traction
- You want a 21-inch cutting width for medium yards
- You prefer a 22-inch deck for wider cuts
- You want a higher displacement engine for heavy duty
- You need more than 6 height adjustments
Verdict: PowerSmart 21-Inch Rear-Wheel Drive Mower fits homeowners with sloped yards who need reliable traction. Its rear-wheel drive and large wheels handle uneven terrain better than standard push models.
AMERISUN 21" Self-Propelled Gas Mower
Best for: small to medium lawns needing durable steel construction
- 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
- Power Type
- Gas
The AMERISUN 21-inch self-propelled mower features a 170cc 4-cycle OHV engine with auto choke for reliable starting. It offers a 21-inch cutting width and six height settings ranging from 1.5 to 3.9 inches. You get a 3-in-1 design with mulching, side discharge, and bagging capabilities. The 1.4-bushel rear grass catcher reduces emptying trips. This model suits users wanting a durable steel deck and foldable handle for compact storage.
- 170cc 4-cycle OHV engine with auto choke
- Six-position cutting height adjustment from 1.5 to 3.9 inches
- 3-in-1 functionality including mulching, side discharge, and bagging
- Heavy-duty steel deck for durability
- 1.4-bushel rear grass catcher capacity
- 1.4-bushel grass catcher is smaller than the 3-bushel catchers on other list picks
- Six height positions offer fewer settings than the seven positions found on some competitors
- 170cc engine displacement is lower than the 201cc engine available in similar SENIX models
- You need a self-propelled mower with a steel deck for durability
- You want a 3-in-1 mower with mulching, side discharge, and bagging options
- You prefer a 170cc engine with auto choke for easy starting
- You require a higher displacement engine than 170cc for more power
- You prefer a grass catcher larger than 1.4 bushels
- You want more than six cutting height positions
Verdict: The AMERISUN 21-Inch 170cc Self-Propelled Mower fits homeowners who prioritize a durable steel deck and versatile 3-in-1 mowing functions over maximum grass catcher capacity or engine displacement.
SENIX 22-Inch 201cc Gas Mower with Combo Kit
Best for: Larger yards needing wide cutting and tool versatility
- Cutting Width
- 22"
- Drive Type
- Self-propelled, rear-wheel drive
- Mowing Functions
- 3-in-1
- Motor Type
- 201cc four-stroke OHV engine
- Height Adjustments
- 6 positions (1.25"–4")
- Power Type
- Gas
This SENIX mower features a 201cc four-stroke OHV engine with rear-wheel drive self-propulsion. It offers a 22-inch cutting width and six height positions from 1.25 to 4 inches. The 3-in-1 system handles side discharge, mulching, and rear bagging. It includes a battery-powered trimmer, blower, and hedge trimmer kit. You get two 4.0Ah batteries and a charger for the tools.
- 201cc four-stroke OHV engine provides strong power.
- 22-inch cutting width covers more ground per pass.
- Variable speed self-propelled rear-wheel drive system.
- Includes 10-inch string trimmer, 350 CFM blower, and 21-inch hedge trimmer.
- Two 4.0Ah batteries and charger included for tool operation.
- Heavier build at 66 pounds compared to lighter competitors.
- Fewer height adjustment positions than the six-position models on the list.
- Larger overall footprint with a 37.5-inch length.
- You need a wider 22-inch cutting deck for faster mowing.
- You want a complete yard care kit with trimmer and blower.
- You prefer variable speed self-propelled rear-wheel drive.
- You prefer a lighter mower under 60 pounds.
- You only need a standard 21-inch mower without extra tools.
- You want a simpler setup without multiple attachments.
Verdict: SENIX 201cc 22-Inch Gas Mower Combo suits homeowners who want a wider deck and a full tool kit. It delivers strong power and versatile yard care in one package.
Specifications side by side
| Spec | SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit | SENIX 21-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 | AMERISUN 21" Self-Propelled Gas Mower | SENIX 22-Inch 201cc Gas Mower with Combo Kit |
|---|---|---|---|---|---|---|---|
| Cutting Width | 21 in | 21 in | 21 in | 21 in | 21 in | 21 in | 22" |
| Drive Type | Self-propelled | Self-propelled, FWD | Self-propelled (rear-wheel drive) | Self-propelled, front-wheel drive | Rear-wheel drive, self-propelled | Self-propelled | Self-propelled, rear-wheel drive |
| Mowing Functions | 3-in-1 (mulch, bag, side discharge) | 3-in-1 (mulch, bag, side discharge) | 3-in-1 (mulch, side discharge, bag) | 3-in-1 | 3-in-1 (bag, mulch, rear discharge) | 3-in-1 (mulch, bag, side discharge) | 3-in-1 |
| Motor Type | 170 cc 4-cycle gas | 170 cc 4-cycle OHV gas | 4-stroke OHV, 170 cc | 170cc 4-cycle OHV | 170cc OHV | 170cc 4-cycle OHV | 201cc four-stroke OHV engine |
| Height Adjustments | 6 positions | 6 positions, 1.25-3.75 in | 6 positions (1.5" – 3.9") | 6 positions, 1.25 to 3.75 inches | 6 positions, 1.5" to 3.9" | 6 positions, 1.5-3.9 in | 6 positions (1.25"–4") |
| Power Type | Gas | Gas | Gas | Gas | Gas | Gas | Gas |
| Engine Displacement | 170cc | 170cc | 170cc | 170cc | 170cc | 170cc | – |
| Application | – | – | – | – | Slopes | – | – |
| Included Equipment | Leaf Blower | – | – | – | – | – | Leaf Blower |
| Engine Stroke | – | – | 4-Stroke | – | – | – | – |
| Dimensions | 61 × 22.8 × 41.5 inches | 61 × 22.8 × 41.5 inches | 56.5 × 22 × 42.5 inches | 61 × 22.8 × 41.5 inches | 32.9 × 16.5 × 22.6 inches | 32.9 × 16.5 × 22.6 inches | 37.5 × 23.8 × 15.9 inches |
| Weight | 61.7 pounds | 61.7 pounds | 59 pounds | 61.7 pounds | – | – | 66 pounds |
| Size | 21 inch Self-Propelled 3-Piece Set | 21 Inch-170cc-6 Position | 21 Inch-170cc | 21-Inch Gas-Powered | – | 3IN1 Self-Propelled Gas Lawn Mower | – |
| Color | Blue | Blue | Black | Blue | Ink | Black | Black |
| Model | 3-GAS TOOLS | A025054-A | DB8621S | LSSG-M10-III | V8721S1 | AV8621S1 | H6-S2K3 |
You can compare similar engine displacements in powersmart 21 inch 170cc self propelled gas lawn mower alternatives.
Frequently asked questions
Are there SENIX mowers with larger engines than 170cc?
Yes. The SENIX 22-Inch 201cc Gas Mower with Combo Kit features a 201cc engine, which is larger than the 170cc units found in other models. This increased displacement provides more power for larger yards. It also includes a wider 22-inch cutting deck and comes with a leaf blower for added versatility.
Which alternative offers the best traction for slopes?
The PowerSmart 21-Inch Rear-Wheel Drive Gas Mower is designed specifically for slopes and uneven terrain. Its rear-wheel drive system provides superior traction compared to front-wheel drive models. This configuration helps maintain stability and control when mowing on inclines, making it a reliable choice for hilly lawns.
Do any of these models include a leaf blower?
Two SENIX models include a leaf blower. The top-rated SENIX 21-Inch 170cc Self-Propelled Mower 3-Tool Kit comes with a complete three-piece set. Additionally, the SENIX 22-Inch 201cc Gas Mower with Combo Kit also includes a leaf blower. These kits allow you to handle multiple yard care tasks with one purchase.
Is there a budget-friendly option with similar specs?
The PowerSmart 21-Inch 170cc Self-Propelled Gas Mower is identified as the best budget pick. It shares the same 170cc engine and 21-inch cutting width as the SENIX models. It weighs 59 pounds and features a rear-drive system, offering a durable and cost-effective solution for homeowners.
Which mower has a steel deck for durability?
The SENIX 21-Inch Self-Propelled Gas Mower and the AMERISUN 21-Inch Self-Propelled Gas Mower both feature durable steel decks. The SENIX model is noted for its robust construction suitable for flat to moderately uneven lawns. The AMERISUN model also prioritizes steel construction for homeowners seeking long-lasting performance.
Can these mowers mulch, bag, and side discharge?
Most models in this list support 3-in-1 mowing functions. The SENIX 21-Inch 170cc Self-Propelled Gas Mower and the SENIX 21-Inch Self-Propelled Gas Mower both offer mulching, bagging, and side discharge capabilities. The PowerSmart and AMERISUN models also provide these versatile options for handling grass clippings in different ways.
