TB370 High Wheel Self-Propelled Mower with Rear Wheel Drive

21" TriAction® Cutting System with 3-in-1 Capability: Side Discharge / Mulch / Rear Bag

Model No. 12ABD3A3766


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The TB370 rear wheel self-propelled lawn mower features the all new InStep™ variable speed drive system.  InStep naturally adjusts to your speed, providing precise speed control and delivers more traction over rough terrain.  Easily raise and lower cutting height with the single-lever height adjuster.  Equipped with a 163cc* Briggs & Stratton® engine, the TriAction™ Cutting System and the capability to side discharge, mulch or bag, this lawn mower gives you added versatility to handle any yard.


  • TriAction® Cutting System gives you a clean even cut in just one pass
  • 3-in-1 - Side discharge, mulch or rear bag
  • ReadyStart™ Choke System - no priming required
  • Briggs & Stratton Starting Promise - start on one or two attempts for two years or Briggs & Stratton will fix it for free
  • 163cc* Briggs & Stratton® engine
  • 3-year limited warranty

*as rated by engine manufacturer

  • 21" TriAction cutting system w/integrated premium deck wash
  • Single lever deck height adjustment
  • Briggs & Stratton 725EXi Series
  • 163cc*
  • Recoil w/ReadyStart
  • Rear wheel self-propelled
  • InStep variable speed
  • 6 settings from 1.25" - 3.75"
  • 3-in-1 - Side discharge, mulch or rear bag
  • 1.9 bushel (included)
  • 1.09 qt
  • 15oz SAE 30 (included)
  • Adjustable InStep
  • 8" front, 11" rear
  • 90 lbs
  • 39"(L) x 24"(W) x 17.75"(H)
  • 3-year limited w/ Briggs & Stratton Starting Promise