Complete Lawn-Boy 17734 Mower Specs

cutting width
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Under The Hood
Engine MakeKohler
Engine ModelXTX
Engine TypeOHV
Cylinder displacement149 cc
Engine fuelNon-ethanol gasoline with an octane rating of at least 87
CARB compliant
Gross Torque6.5 foot-lbs (Lawn-Boy says that because of safety requirements, the commercially available 17734 was configured to have a "significantly lower" torque)

Mowing Features
Cutting width (inches)21 (This is the deck's width. Actual cutting width may be less)
Cutting methods
  • Mulch
  • Rear bag
  • Side discharge
Cutting deck materialSteel
Grass bag capacity (L)70.48
Mower Cut Height (inches)3.75
Mower Cut Height Min (inches)1.25
Cut Height Increments count6
Cutting height adjustmentDual-lever-operated
Drive Details
Drive system typeSelf-propelled (RWD)
Forward Speeds? (variable)
Wheel typeRubber
Front Wheel Diameter7 x 7 inches
Rear Wheel Diameter8 x 8 inches
Other Specs & Features
Handle TypeAdjustable
Claimed qualitiesLawn-Boy claims that the 17734 does not need an oil change
Model Variants17332 (This one has a recoil start)
Starter typeTurn the key (electric)
Release year2015
Release month04
Width (inches)22.3
Height (inches)37.7
Depth (inches)40.5
Width (mm)566.4
Height (mm)957.6
Depth (mm)1028.7
General Specs
Main categoryWalk-behind lawn mower
Weight lbs with package99.2
Warranty2 years


Also called Lawn-Boy 21" 149cc Lawn Mower.

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