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21 in. 159cc 3-in-1 RWD Walk-Behind Self Propelled Gas Mower with Front Caster Wheels

  • 159 cc Cub Cadet OHV Engine
  • Variable Speed Rear Wheel Drive Self-Propelled
  • Front caster wheels for easy maneuverability
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Product Overview

The Cub Cadet 21 in. 159cc 3-in-1 Caster Wheel, RWD Self-Propelled mower gives you the option to side discharge, mulch or bag your grass clippings. Whatever option you choose, you'll have a clean looking yard every time you mow thanks to the unsurpassed results of the Cub Cadet Signature Cut. The deep dome deck design allows for better airflow creating an optimal environment for the blade system. And with a blade that triple cuts the grass to turn waste into mulch, you'll have flawless results and a healthier lawn. The high performance My Speed Premium Drive Control System offers smooth engagement, superior speed variability, industry-leading control and traction making this one of the easiest to use walk-behinds in the industry. The exclusive ultra-soft rubber grip area reduces vibration and operator fatigue. Control your SC500Z with front caster wheels with exclusive locking ability. With long lasting components, a 3-year limited warranty and the Sure Start guarantee you will have peace-of-mind while you enjoy your perfectly manicured lawn.
  • Front caster wheels with exclusive locking ability
  • My speed premium drive control system
  • Adjustable 3-position ergonomic handles with soft-touch grip
  • 159cc Cub Cadet performance-tuned OHV engine
  • Sure start guarantee ensures easy starting in 1-2 pulls
  • 21 in. Cub Cadet signature cut
  • 3-point, 6-position deck height adjustment
  • Cutting height range 1.25 in. to 3.75 in.
  • Patented smart jet high-pressure deck washing system
  • Mulch plug included
  • 1.9 bu. rear dust blocking bagger included
  • Ball-bearing, industrial-tread tires
  • California residents

Additional Resources

From the Manufacturer

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Assembled Depth (in.)64 inAssembled Height (in.)42 in
Assembled Width (in.)23 inBlade Length (in.)21
Cutting Width (in.)21 inchesFront Wheel Size (in.)8
Mower Deck Width (in.)21Rear Wheel Size (in.)8


Assembly RequiredYesCA (CARB) CompliantCARB Compliant
Cutting OptionsBag,Mulch,Side-DischargeDeck Material15 Gauge Steel
Deck TypeStampedDrive TypeRear-wheel Drive
Engine Displacement (cc)159Engine MakeOEM Branded Engine
Engine Torque (ft.-lb.)0Fuel Tank Capacity (gallons)0.5 gal
IncludedBagger,Engine oilLawn Mower TypeSelf-Propelled Lawn Mower
Maximum Cutting Height (in.)3.75Minimum Cutting Height (in.)1.25
Mower Size TypeStandardNumber of Blades1
Number of Handlebar Positions3Oil Capacity (oz.)18
Power TypeGasProduct Weight (lb.)95
Recommended Oil TypeSAE 10W-30RefurbishedNo
Returnable90-DaySize of Yard1/4 - 1/2 Acre
Walk Behind Mower TypeSelf Propelled

Warranty / Certifications

Manufacturer Warranty3-Year Limited Warranty

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