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21-Inch Walk Behind Push Mower With 140cc Troy-Bilt Engine


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* Estimated stock levels as of Mon, Dec 4, 2023. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.

  • 3-in-1 convertible side discharge, mulch or rear bag
  • 1.9 bushel rear bag collects grass clippings for easy clean up or composting
  • Dual-lever, six-position height adjustment makes it easy to change cutting heights from 1-1/4 to 3-3/4 in H
  • Mulch kit included to help put nutrients back into soil for a healthier lawn
  • 140 cc Briggs and Stratton 550EX Series OHV engine with no prime, no choke ReadyStart starting promise guaranteed to start on the first or second pull or it will be fixed for free
  • 21 inch 2-in-1 steel cutting deck with TriAction cutting system and rear bag and mulch capabilities


Troy-Bilt's TB115 walk-behind lawn mower features a dependable, easy starting 140 cc Briggs and Stratton OHV engine and is equipped with the TriAction cutting system. The TriAction cutting system on this push mower features a rake bumper to lift grass upright, a specially designed blade for a finer mulch and a symmetrical deck for superior grass flow, eliminating clumping. The TB115 push lawn mower comes with a choice of side discharge, mulching or rear bagging, putting you in control, with a standard 1.9-bushel bag included.



CC Displacement 140
Color Red/Black
Cutting height, max (approximate) 3-3/4 in
Cutting height, min (approximate) 1-1.4 in
Deck Material Steel
Deck Wash No
Deck Width 21 in
Discharge Side
Drive System Push
Engine Troy-Bilt
Engine Series 140 OHV
Front Wheels 7 in
Fuel Tank Capacity 1 Qt
Fuel Type Gasoline
Height Positions 6
Includes 1.9 Bushel Bag, 15 oz SAE30 Oil, Mulch Kit
Rear Wheel Size 11 in
Self Propelled No
Starting System Recoil
Type Lawn Mower


Cutting Path 21 in
Weight 68 lb

Manufacturing Details
The following information is subject to change without notice

Country of Origin US
Manufacturer Warranty 2 year limited
Prop 65 Warning Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Shop USA Yes

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