Comparison: Best Self Propelled Lawn Mower With Side Discharge (Updated | Oct 14th)
Choosing the best self-propelled lawn mower with side-discharge functionality can streamline lawn care by balancing power, maneuverability, and efficiency. This guide compares top models based on performance, durability, and user-friendly features, helping you navigate key considerations like cutting width, terrain adaptability, and maintenance. Whether managing uneven terrain or dense grass, we highlight options designed to simplify mulching, bagging, or side-discharging clippings. Discover which mowers excel in reliability and versatility to match your yard’s needs without compromising on quality or ease of use.
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Editor’s Choice
Best for a specific purpose
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Best for premium build:
BILT HARD 21 Inch Self Propelled Lawn Mower -
Best for best value:
AMERISUN 21-Inch 3-in-1 Gas Lawn Mower -
Best for best overall:
Snapper 1687914 21" SP Walk Mower Kit -
Best for front wheel drive:
CRAFTSMAN Self-Propelled Gas Powered Lawn Mower -
Best for instant start:
PowerSmart 21" B&S Engine 140cc Self-Propelled Lawn Mower – Durable Steel Deck -
Best for long battery:
Yard Force Self Propelled Lawn Mower Briggs & Stratton 150cc Gas Engine 22-inch Steel Deck 3-in-1 Mulch -
Best for adjustable height:
PowerSmart 21-Inch 140cc B&S Engine Self-Propelled Lawn Mower – 6-Position Adjustable Cutting Height -
Best for rear wheel drive:
AMERISUN Self Propelled Gas Lawn Mower -
Best for budget pick:
BILT HARD 21 Inch 201cc 4-Cycle Engine Push Lawn Mower -
Best for durable deck:
AMERISUN Gas Lawn Mower
Product Comparison: Best Self Propelled Lawn Mower With Side Discharge
Premium build
BILT HARD 21 Inch Self Propelled Lawn Mower, 3-in-1 Gas Lawnmower with 201cc 4-Cycle Engine, Bagging, Mulching and Side Discharge, Adjustable 8-Positions Cutting Height, Easy Start
BILT HARD
- Efficient & Versatile Mowing Solution – Our 21-inch self-propelled lawn mower features a 3-in-1 steel deck with mulching, side discharge, and rear bagging capabilities, providing an extensive mowing path for maximum efficiency. The no-choke, no-primer design ensures easy starting without the hassle of manual adjustments.
- Self-Propelled Functionality – Equipped with rear-wheel drive and a single-speed self-propelled feature, this mower moves smoothly and effortlessly, making it ideal for large cutting areas. The comfortable, foam-wrapped, angled handle reduces hand fatigue, making lawn maintenance a breeze.
- Reliable Performance – Powered by a robust 201cc 4-stroke OHV engine that delivers 9.0 ft·lb of torque, this gas-powered lawn mower ensures efficient and reliable performance every time.
- 8-Position Cutting Height Adjustment – This gas powered lawn mower offers a single lever that synchronizes the height adjustment of all four wheels, allowing you to customize the cutting height from 1.2" to 3.75" to perfectly match your lawn's requirements.
- Warranty – BILT HARD is committed to providing our customers with high-quality products and exceptional customer service. We stand behind our lawn mower. If you have any questions or are not satisfied, please feel free to contact us. Our support team is ready to assist you.
Best value
AMERISUN 21-Inch 3-in-1 Gas Lawn Mower, Self Propelled with 170cc 4-Stroke Engine, 6-Position Adjustable Cutting Height, Side Discharge, Mulching & Rear Bag, High-Wheel Push Mower for Yard & Garden
AMERISUN
- POWERFUL 170CC 4-STROKE OHV GAS ENGINE – This self propelled gas lawn mower is built for strength and efficiency, providing reliable starting and consistent power to cut through tall, thick grass in medium and large yards.
- 21-INCH CUTTING DECK WITH 3-IN-1 FUNCTION – Versatile lawn mower design supports side discharge, mulching, and rear bag collection, making it the perfect push mower for yard, garden, and landscaping maintenance.
- SELF PROPELLED DRIVE WITH HIGH-WHEEL DESIGN – Large 10-inch rear wheels and 7-inch front wheels make this gas powered lawn mower self propelled easy to maneuver across uneven terrain, hills, and slopes.
- 6-POSITION ADJUSTABLE CUTTING HEIGHT (1.5”-3.9”) – Customize your cut with this 21-inch gas lawn mower by quickly switching between 6 height settings, ensuring a clean and professional finish for every season.
- DURABLE, FOLDABLE & EASY ASSEMBLY – Built with a heavy-duty steel deck for long-lasting performance; includes a 1.4-bushel grass catcher to reduce emptying trips; the foldable handle design allows compact storage, while the quick and simple assembly makes this self propelled push mower with bag ready to use in minutes.
Best overall
Snapper 1687914 21" SP Walk Mower Kit, Self Propelled, Red/Black
Snapper
- Self propelled transmission with variable speed
- Up to 45 minutes run time with the Briggs & Stratton 82V Lithium ion 2.0Ah battery kit comes with (2) 2Ah Lithium ion batteries and rapid charger
- 21 inches steel mowing deck with 3 in 1 design mulch, bag or side discharge grass clippings easily
- Smart, efficient load sensing technology power adjusts to meet the demands of the cutting blades
- Push button start and a single lever, 7 position height of cut adjustment; Rear wheel size: 10 inch
Front wheel drive
CRAFTSMAN Self-Propelled Gas Powered Lawn Mower, 21 Inch, 3-in-1 Mulching Push Mower with Bag, 6 Adjustable Heights, 140cc OHV Engine (M215)
CRAFTSMAN
- SELF PROPELLED GAS LAWN MOWER: Effortlessly maneuver through your yard with our gas lawn mower that allows you to choose your preferred propulsion speed for a smooth and easy lawn care experience
- POWERFUL 159CC OHV GAS ENGINE: Our self-propelled gas push mower boasts a powerful engine complete with both recoil and auto choke features, ensuring reliable performance and hassle-free operation
- 3-IN-1 CAPABILITIES: Offers side discharge, rear discharge, and mulching capabilities, providing multiple options for managing grass clippings according to your preferences and landscaping needs
- FRONT WHEEL DRIVE: Whether you need to tip up around obstacles, execute seamless turns, or smoothly maneuver, our lawn mower allows you tackle mowing tasks with efficiency and precision
- DUAL-LEVER ADJUSTABLE CUTTING HEIGHT: With six different height settings to choose from, you have the flexibility to achieve your desired grass length, ensuring a perfectly manicured lawn
Instant start
PowerSmart 21" B&S Engine 140cc Self-Propelled Lawn Mower – Durable Steel Deck, 6-Height Adjustments, 3-in-1 Mulching Versatility
PowerSmart
- POWERFUL 140CC B&S ENGINE：Equipped with the trusted B&S EX550 engine, this lawn mower delivers unmatched power and precision. With its easy-pull recoil and auto choke system, starting is effortless and stress-free.
- 3-IN-1 VERSATILITY：Switch effortlessly between EFFICIENT BAGGING, NATURAL MULCHING & REAR DISCHARGE. Bagging collects clippings neatly into a large-capacity grass bag, keeping your lawn clean and tidy. Mulching finely shreds grass clippings and redistributes them to enrich the soil, reducing the need for fertilizer. Rear discharge quickly expels clippings from the back, ideal for covering larger areas without interruption.
- ROBUST STEEL DECK：Crafted from heavy-duty alloy steel, the 21-inch cutting deck ensures long-lasting durability and efficient mowing. It covers large areas quickly, making lawn care less time-consuming and more effective.
- CONVENIENT INSTANT START：Simply pull the cord to start – no need to press a primer bulb! Quick and easy ignition gets you mowing in no time.
- ADJUSTABLE CUTTING HEIGHTS：Featuring 6 height settings, this mower adapts to your lawn's needs. Whether you prefer a clean, low trim or a lush, higher cut, it's easy to customize for every season.
Long battery
Yard Force Self Propelled Lawn Mower Briggs & Stratton 150cc Gas Engine 22-inch Steel Deck 3-in-1 Mulch, Bag, Side Discharge, 12-inch High Rear Wheels
Yard Force
- Briggs & Stratton ex625 150cc engine with ReadyStart technology built in. Made in the USA.
- Self-propelled Rear Wheel Drive RWD Drive System for great traction on flat or incline slope conditions
- 22 in. steel deck with 21 in. blade 3-in-1 Mulch, Side Discharge or Rear Bag for durability season after season.
- Single lever 7-position deck height adjustment: 1.25 in. – 3.75 in.
- Rear High Wheel 12 inch with 8 in front durable PVC wrapped.
Adjustable height
PowerSmart 21-Inch 140cc B&S Engine Self-Propelled Lawn Mower – 6-Position Adjustable Cutting Height, 3-in-1 Mulching, Side Discharge, and Rear Bagging, Easy Start
PowerSmart
- Flexible Lawn Care Options: This mower provides you with three different cutting methods – mulching, side discharge, and rear bagging, making it adaptable to your preferred lawn maintenance style and ensuring your lawn remains healthy and well-kept.
- Robust Engine Power: Powered by a 140cc 4-stroke OHV engine, this mower delivers consistent and dependable performance, featuring a forced air-cooling system to keep the engine running smoothly and extend its lifespan.
- Tailored Cutting Experience: With six adjustable cutting positions, you have full control over your lawn’s appearance, choosing the perfect grass length from 1.5 inches to 3.9 inches, for a clean and professional-looking finish every time.
- Easy Start and Convenient Storage: Enjoy a hassle-free start with the Ready-Start system that simplifies engine operation. Plus, the foldable handle allows for compact storage, ensuring that the mower is easy to stow away and saves you space.
- Smooth Operation on Any Terrain: The self-propelled drive system enhances maneuverability, providing easy handling across slopes and uneven ground, making it an ideal choice for diverse landscaping needs.
Rear wheel drive
AMERISUN Self Propelled Gas Lawn Mower, 21" with 170cc 4-Cycle OHV Engine 3-in-1 RWD Self-Propelled Lawn Mower (AV8621S1)
AMERISUN
- Powerful Engine: Powered by 170cc 4-cycle OHV engine, with auto choke system for easy start, and forced air-cooling system ensures smooth operation.
- Efficient Yard Care: With a 21-inch wide heavy-duty blade and reinforced steel deck, provides ultra fine cuts and small clippings, mow more with less time.
- Self Propelled System: Rear wheel drive RWD system for great traction with flat or incline slope conditions, makes mowing effortless on all terrains.
- Hight Adjustment: Single-lever, 6 position height adjustment makes it easy to change cutting heights from 1.5-in to 3.9-in high.
- Easy Assembly: Fully assembled in box, just unfold the handle and you're ready to go, also can be folds for space-saving storage.
Budget pick
BILT HARD 21 Inch 201cc 4-Cycle Engine Push Lawn Mower, 3-in-1 Gas Lawn Mower with Bagging, Mulching and Side Discharge, Easy Start with Adjustable 8-Positions Cutting Height for Lawn, Yard, Garden
BILT HARD
- Efficient & Versatile Mowing – Our 21-inch lawn mower features a 3-in-1 steel deck with mulching, side discharge, and rear bagging capabilities, providing an extensive mowing path for maximum efficiency. The no-choke, no-primer design makes starting the mower quick and easy.
- Robust Performance – Powered by a reliable 201cc 4-stroke OHV engine that delivers 9.0 ft.lb of torque, this gas-powered lawn mower ensures efficient and dependable performance every time you use it.
- 8-Positions Adjustable Cutting Height – With a single lever controlling four-wheel synchronized height adjustment, this mower offers 10 cutting height positions ranging from 1.2" to 3.75", allowing you to customize the mowing height to perfectly match your lawn’s requirements.
- Effortless Yard Maintenance – Equipped with smooth-rolling 9.5" rear wheels and 8" front wheels, both featuring double ball bearings, the mower moves effortlessly across your yard. The comfortable foam-wrapped, angled handle reduces hand fatigue, making lawn maintenance a breeze.
- Warranty & Support – At BILT HARD, we are committed to providing high-quality products and exceptional customer service. We stand behind our lawn mower and believe in its durability. If you have any questions or are not satisfied, please feel free to contact us. Our support team is always ready to assist you.
Durable deck
AMERISUN Gas Lawn Mower, 170cc OHV Engine with Forced Air Cooling, 21" Steel Deck, 3-in-1 Mulching/Bagging/Side Discharge, 6 Cutting Heights, 1.4-Bushel Grass Catcher, Self-Propelled
AMERISUN
- HIGH-PERFORMANCE 170CC OHV ENGINE WITH FORCED AIR COOLING Tackle dense or tall grass easily with a 170cc 4-stroke OHV engine featuring a forced air-cooling system for consistent and reliable operation.
- SELF-PROPELLED & EASY TO HANDLE DESIGN: The self-propelled drive and foldable handle make operation smoother and storage easier, especially for first-time users.
- RUGGED 21" STEEL CUTTING DECK FOR WIDER COVERAGE: The durable 21-inch steel deck covers more ground with fewer passes, delivering faster mowing for medium to large lawns.
- 6 ADJUSTABLE CUTTING HEIGHTS FOR VERSATILITY: Customize your mowing with six cutting heights (1.5" to 3.9"), ideal for different lawn types and seasonal needs.
- 3-IN-1 FUNCTION: MULCH, SIDE DISCHARGE, OR BAG: Choose from mulching, side discharge, or use the 1.4-bushel grass catcher to efficiently collect clippings for a cleaner yard.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
Which self-propelled lawn mower has the largest cutting width?
Yard Force 22-inch model (B09RX5ZS4D) has the largest cutting width.
Which mowers include side discharge functionality?
All listed models are 3-in-1 designs, including side discharge capability.
Which model has the most powerful engine?
BILT HARD 21 Inch models (B0FT2RYFQ2, B0F89VZXCF) feature a 201cc engine.
Which mowers have adjustable cutting height settings?
PowerSmart B0DYJVXP5C includes 6-position height adjustment.
Are all models gas-powered?
Yes, all listed self-propelled mowers use gas engines.
Which models have rear-wheel drive?
Snapper B078WHCKWT and CRAFTSMAN B09SJ7182X are verified rear-wheel drive models.
Which mower is designed for heavy-duty use?
BILT HARD models (B0FT2RYFQ2, B0F89VZXCF) emphasize durability for tough terrain.
