M320 21-in. 163cc RWD Self-Propelled Mower

Shop Now


  • This 21-in. self-propelled rear wheel drive mower features a 163cc, OHV Briggs & Stratton® engine with one step starting, no priming needed. Its 3-in-1 convertible deck allows you to mulch, helping to put nutrients back in the soil for a healthier lawn, discharge or use the 2.3 bushel Dust Blocker bag for easy cleanup or composting. Equipped with a Pace Control System, this mower matches your natural stride providing the perfect mowing speed. Its large 8-in. front and 11-in. rear wheels provide improved maneuverability on any terrain and the dual-lever, 6-position height adjustment makes it easy for you to change the cutting height while mowing.


  • Proudly Made in the USA with Global Materials in Tupelo, Mississippi
  • POWERFUL ENGINE: 163cc, OHV Briggs & Stratton® engine with one step starting, no priming needed
  • ADDED TRACTION: Rear wheel drive delivers added traction and control on flat, hilly or uneven terrains
  • MOWING CONVENIENCE: 21-in. 3-in-1 convertible deck for side discharge, mulching or rear bagging
  • HEIGHT ADJUSTMENT: Dual-lever, 6 position height adjustment makes it easy to change cutting heights from 1.25-in. to 3.75-in. high
  • PACE CONTROL SYSTEM:Comfortably walk at your own pace while the mower automatically adjusts to match your natural stride
  • DUST BLOCKER™ BAG: Reduces Messy Dust Clouds

Product Includes

CMXGMAM201207 Self-Propelled Mower 1 X
Bagger 1 X
Engine Oil 1 X
Manual 1 X


Power Tool Type Gas
Cutting Path 21 in
Height Adjustment Yes
Cutting Heights 1.25 - 3.75 in
Mulching Capability true
Transmission Type Self-propelled
Engine Brand Briggs & Stratton
Engine Torque (Ft/Lbs) 7.25
Engine Displacement 163.0 cc
Start Type Recoil
Drive Type RWD
Speed Control Pace Control System
Cut Width 21 in
Mower Deck Width 21 in
Number of Deck Positions 6

Warranty & Service

2 Year Limited Warranty

For two years from the date of sale, the product is warranted against defects in material or workmanship.


We’re confident of the quality of our products and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

Product Manuals