TriAction™ 21" Walk-Behind Push Mower

Easy to use from the start! Troy-Bilt's TriAction™ 21" walk-behind push lawn mower comes equipped with a dependable, easy starting 160cc Honda OHC engine.

Available at

Canadian Tire

Find a Troy-Bilt® retailer near you

Where to buy

The TriAction® 21" walk-behind push mower's advanced cutting system features a rake bumper to lift grass upright, a specially designed blade for finer mulching and a symmetrical deck for superior grass flow, eliminating clumping. Easy to use from the start! Troy-Bilt's TriActiont™ 21"  walk-behind push lawn mower comes equipped with a dependable, easy starting 160cc* Honda® OHC engine, featuring an automatic choke release that prevents engine flooding.


Additional Features

  • 21-in TriAction™ Cutting System featuring symmetrical deck with pass-thru grass entry, aerodynamic S-blade.
  • Bumper design includes Euro-inspired teeth that funnel grass into the deck.
  • Deck wash kit included. Simply attach hose.  Water and blade action cleans inside of cutting deck.

*As rated by engine manufacturer


160cc Honda OHC engine
Engine Start 
Pull start
Deck Height Adjustment 
6-position, dual lever
Cutting Options 
Side discharge, mulch, and rear bag capabilities
Cut Width 
Front/Rear Wheels 
7" front / 8" rear wheels
Ergonomic, 3-position
Rear bag
Model No 
4-year limited warranty

Operator's Manuals

Link to download (PDF)

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† † The owner's manual posted is for general information and use. To ensure the download of the owner's manual specific to your unit, we require a model and serial number.

† Models and pricing may vary by retailer. Please check with your retailer for specific availability and pricing.

† *as rated by engine manufacturer