Best 21 Inch Lawn Mower – Top 8 of 2021

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We examined hundreds reviews, and put together a list of the most popular sellers. Check out the top 21 Inch Lawn Mower below.


No. 1
Craftsman M215 159cc 21-Inch 3-in-1 High-Wheeled FWD Self-Propelled Gas Powered Lawn Mower with Bagger
42 Reviews
Craftsman M215 159cc 21-Inch 3-in-1 High-Wheeled FWD Self-Propelled Gas Powered Lawn Mower with Bagger
  • POWERFUL 159CC OHV GAS ENGINE: Powerful gas engine comes equipped with recoil and auto choke. No more fussing with a primer or choke - just...
  • 3-IN-1 CAPABILITIES: Unit has side discharge, rear discharge, and mulching capabilities.
  • FRONT WHEEL DRIVE: Tip-up, turn, and maneuver around level terrain with ease.
  • SELF PROPELLED AND VARIABLE SPEED: Move around your yard with less effort and the propulsion speed of your choice.
  • DUAL-LEVER ADJUSTABLE CUTTING HEIGHT: Choose from 6 different height settings to suit user’s needs.
No. 2
Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower, 2 x 4Ah USB Batteries and Charger Included...
  • Highly efficient 40V brushless motor provides more torque, quiet operation, and longer life
  • Up To 70 Minutes Run-Time With (2) Fully Charged 4Ah Batteries. Run-Time Varies Based on Grass Condition and Operator Technique. Durable...
  • Durable steel 21 in. cutting deck gets the job done quicker and more efficiently
  • The Smart Pace self-propelled system automatically and smoothly adjusts to your walking speed
  • Dual battery ports with automatic switch-over for longer, uninterrupted run-times — when one battery depletes, the mower’s power supply...
No. 3
Greenworks 13 Amp 21-Inch Electric Lawn Mower, MO13B00
98 Reviews
Greenworks 13 Amp 21-Inch Electric Lawn Mower, MO13B00
  • 13 Amp Electric Motor delivers enough power to cut through the toughest grass
  • Durable steel 21-Inch cutting deck gets the job done quicker and more efficiently
  • 3-in-1 feature provides multiple options for grass clippings from rear bagging, side discharge and mulching capabilities for versatile needs
  • 7 position height adjustment offers a range of cutting height from 1 1/2-Inch to 3 3/4-Inch for the perfect cut on all grass types
  • Wide 10-Inch rear wheels and 7-Inch front wheels. Please lift the rear discharge cover to find the mulching plug. Weight:  56 lbs
No. 4
Craftsman M105 140cc 21-Inch 3-in-1 Gas Powered Push Lawn Mower with Bagger, 1-in, Liberty Red
57 Reviews
Craftsman M105 140cc 21-Inch 3-in-1 Gas Powered Push Lawn Mower with Bagger, 1-in, Liberty Red
  • Your purchase includes One Craftsman M105 140cc Gas powered Push Lawn Mower, One bagger and engine oil
  • Lawn Mower width – 21” | Weight – 65 lbs. | Minimum Cutting Height – 1.25” | Maximum Cutting Height – 3.75” | Front wheel size...
  • 3 in 1 Capabilities: Unit has side discharge, rear discharge, and mulching
  • Minor assembly is required but is easily accomplished with little to no mechanical experience
  • Engine comes equipped with recoil and auto choke. No more fussing with a primer or choke - just pull to start. Unit is gas-powered and not...
No. 5
PowerSmart Lawn Mower, 21-inch & 170CC, Gas Powered Self-Propelled Lawn Mower with 4-Stroke Engine, 3-in-1 Gas Mower in...
  • 170CC OHV GAS ENGINE & 22-INCH STEEL MOWING DECK: PowerSmart gas lawn mower contains with powerful 4-stroke, single cylinder gas engine...
  • ADJUSTABLE CUTTING DEPTH: The self-propelled mower has 5-position height adjustment which allows you to change the cutting height to cut...
  • FLEXIBLE AND AGILE: 3-in-1 side discharge and mulching capability allows you to spread grass clippings to the side, returning key nutrients...
  • QUICK FOLDING & TIDILY STORAGE: The gas power lawn mower can be quickly folded without tools due to the foldable handle design. It can be...
  • CUSTOMER SATISFICATION: PowerSmart is always aiming on providing great consumers value with the absolute best price and quality entire line...
No. 6
Greenworks MO80L410 Pro 80V 21-Inch Brushless Self-Propelled Lawn Mower 4.0Ah Battery and Charger Included, 4Ah
440 Reviews
Greenworks MO80L410 Pro 80V 21-Inch Brushless Self-Propelled Lawn Mower 4.0Ah Battery and Charger Included, 4Ah
  • The Greenworks Pro 80V Mower features a 21" steel deck, brushless motor, self-propelled rear wheel drive, 3-In-1 design, 7-position single...
  • Greenworks Pro 80V brushless mower provides up to 45 minutes run-time with fully charged 4Ah battery. Run-time varies based on grass...
  • Durable 21" steel deck allows you to handle large areas of grass quickly and easily. Self-propelled rear wheel drive can be easily adjusted...
  • Brushless motor provides more torque, quiet operation, and longer life
  • 3-In-1 design allows you to mulch, rear bag, or side discharge your grass clippings. Use up to 70% less space in your garage with the...
No. 7
EGO Power+ LM2130SP 21-Inch 56-Volt Cordless Select Cut Lawn Mower with Touch Drive Self-Propelled Technology Battery...
  • Select Cut Multi-Blade System for premium cutting performance that exceeds gas
  • Touch Drive Self Propelled Technology puts complete control in the palm of your hands
  • Get 60 minutes of run time on single charge when used with the recommended 56V 7.5 Ah ARC Lithium battery
  • High-efficiency brushless motor
  • Adjustable self-propel speed .9 MPH – 3.1 MPH
No. 8
PowerSmart Lawn Mower, 21-inch & 170CC, Gas Powered Push Lawn Mower with 4-Stroke Engine, 2-in-1 Gas Mower in Color...
  • 170CC OHV GAS ENGINE & 21-INCH STEEL MOWING DECK: PowerSmart gas lawn mower contains with powerful 4-stroke, single cylinder gas engine...
  • ADJUSTABLE CUTTING DEPTH: The push mower has 5-position height adjustment which allows you to change the cutting height to cut grass and...
  • FLEXIBLE AND AGILE: 2-in-1 side discharge and mulching capability allows you to spread grass clippings to the side, returning key nutrients...
  • QUICK FOLDING & VERTICAL STORAGE: The gas power lawn mower can be quickly folded without tools due to the foldable handle design. It can be...
  • CUSTOMER SATISFICATION: PowerSmart is always aiming on providing great consumers value with the absolute best price and quality entire line...