WHP61A Commercial Walk-Behind Mower

WHP61A Commercial Walk-Behind Mower


  • Pistol-grip controls
  • Heavy-duty hydrostatic transmission
  • Powerful air-cooled commercial engine
  • 61-inch (154.9 cm) 7-gauge fabricated mower deck
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Model number FS691V
Horsepower 23 hp
17.2 kW
Displacement 44.3 cu in.
726 cc
Cylinders Two
Crankcase capacity
Operating speed 3,600 rpm
Idle Speed
Ignition/Starter Electronic/electric start
Valving Overhead valves
Oil filter Standard
Lubrication Full pressure
Governor Flyweight all speed governor
Hourmeter Standard, digital
Cooling system Air cooled
Air cleaner Dual element
Muffler Low tone

Fuel System

Fuel type Gasoline
Fuel tank capacity 5.8 U.S. gal.
21.9 L
Fuel pump Pulse
Fuel delivery system Carburetor
Fuel tank switch/Shut off valve
Filler neck opening
Fuel pickup Top draw

Electrical System

Ignition Electronic spark
Hourmeter Standard, digital
Operator presence starting system Standard

Drive Train

Transmission Hydrostatic
Wheel motors
Shift mechanism


Drive wheels 16x8.5-8
Outside to outside tire measurement
Caster wheels 9x3.5-4, flat free
Shift mechanism

Travel Speed

Forward speeds
Reverse speeds
Speed range Forward, 0-7 mph
0-11.3 km/h
Reverse, 0-3 mph
0-4.8 km/h


Type Mechanical lever to engage brakes


Height 43 in.
109.2 cm
Length with deck

Mower Decks

36-in. Deck
48-in. Deck
54-in. Deck Material
61-in. deck: Fabricated steel, 7 gauge
0.18 in.
4.6 mmBlades
ThreeBlade drive
V-beltBlade tip speed
Approximately 18,000 fpm
5,486 m/minCutting height
1.5-5 in.
3.8-12.7 cmWidth (chute up)
48.5 in.
132.2 cm
Floating style, 61 in.
155 cm

Miscellaneous Information

Warranty 24 month, single source commercial

Additional information

Date collected 20-Apr-2017