M310 21-in. 163cc RWD Self-Propelled Mower

  • The M310 21-in. 163cc RWD Self-Propelled Mower has a Briggs & Stratton engine® with easy and reliable starting system with no prime, no choke. A 3-in-1 deck allows you to discharge, mulch to help put nutrients back in your soil for a healthier lawn, or use the 2.3 bushel Dust Blocker bag for easy clean up or composting while reducing in-air dust and debris. Feature rich, this mower has 11-in. rear wheels for improved maneuverability on any terrain, dual-lever, 6 position height adjustment which makes it easy for you to adjust the cutting height while mowing, and Easy Fold handles for compact storage.


  • Proudly Made in the USA with Global Materials in Tupelo, Mississippi
  • POWERFUL ENGINE: No prime, no choke, and never change the oil with the 163cc Briggs & Stratton® engine featuring ReadyStart® and Just Check and Add™
  • VARIABLE SPEED WITH ADDED TRACTION: Self-propelled rear wheel drive delivers added traction and control on flat, hilly or uneven terrains
  • COMPACT STORAGE: Features Easy Fold Handles for compact storage
  • LESS DUST AND DEBRIS PLUS INCREASED CLIPPING COLLECTION: 2.3 bushel Dust Blocker bag reduces in-air dust and debris while collecting grass clippings for easy clean up or composting
  • MOWING CONVENIENCE: 21-in. 3-in-1 convertible deck lets you side discharge, mulch, or rear bag grass clippings
  • HEIGHT ADJUSTMENT: Dual-lever, 6 position height adjustment makes it easy to change cutting heights from 1.25-in. to 3.75-in. high
  • MULCH KIT: Included to help put nutrients back into soil for a healthy lawn

Product Includes

CMXGMAM1125505 Self-Propelled Mower 1 X


Cutting Path 21 in
Mulching Capability Yes
Transmission Type Self-propelled
Bagger Included true
Engine Brand Briggs & Stratton
Engine Torque (Ft/Lbs) 7.25

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 Manual