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Wheel Horse 857 Technical Data

General Information

Tractor Model ..................... Wheel Horse 857
Tractor Type ..................... Garden tractor
Manufacture Years ..................... 1967
Fuel Type ..................... Gasoline
Attachments ..................... Mower Deck, Snow blower, Blade

Wheel Horse 857 Engine

Engine Model ..................... Kohler K181S
Engine Type ..................... 4-stroke single cylinder air-cooled gasoline
Number of Cylinders ..................... 1
Displacement, cu.in (L) ..................... 18.6 (0.308)
Engine Bore, in (mm) ..................... 2.94 (74.6)
Engine Stroke, in (mm) ..................... 2.75 (69.9)
Maximum Horse Power, hp (kW) ..................... 8.0 (6.0)
Rated Engine Speed, rpm ..................... 3600
Fuel System ..................... Carburetor
Carburetor Model ..................... Kohler/Walbro
Carburetor Type ..................... Fixed main jet or adjustable main jet
Lubrication System ..................... Splash type
Cooling System ..................... Forced-air
Ignition System ..................... Magneto or battery
Spark Plug Type ..................... Champion RJ8C
Spark Plug Gap, in (mm) ..................... 0.0256 (0.65)
Intake Valve Clearance, in (mm) ..................... 0.006-0.008 (0.15-0.20)
Exhaust Valve Clearance, in (mm) ..................... 0.017-0.019 (0.43-0.48)
Fuel Tank Capacity, gal (L) ..................... 1.5 (5.7)
Oil Capacity, qt (L) ..................... 1.3 (1.2)

Electrical System

Electrical System Rating, Volts ..................... 12
Starter Type ..................... Electric
Number of Batteries ..................... 1
Electric Ground ..................... Negative

Wheel Horse 857 Transmission

Transmission Model ..................... Wheel Horse Uni-Drive
Transmission Type ..................... Belt-driven gear
Gearbox Type ..................... 3F/1R
Number of Forward Gears ..................... 3
Number of Reverse Gears ..................... 1
Oil Capacity, qts, (L) ..................... 2.0 (1.9)
Maximum Forward Speed, mph (kph) ..................... 5.5 (8.8)
Maximum Reverse Speed, mph (kph) ..................... 2.5 (4.1)

Wheels and Tires

Drive Wheels ..................... 2WD 4x2
Steering Configuration ..................... Front steer
Steering System ..................... Manual
Front Tire Size ..................... 16x5.50-8
Rear Tire Size ..................... 23x8.50-12

Dimensions and Weight

Wheelbase, in (mm) ..................... 41.3 (1045)
Length, in (mm) ..................... 61 (1545)
Height (Hood), in (mm) ..................... 33.5 (850)
Height (Steering Wheel), in (mm) ..................... 37 (935)
Overall Width, in (mm) ..................... 34 (860)
Ground Clearance, in (mm) ..................... 7.3 (180)
Weight, lb (kg) ..................... 430 (195)

Wheel Horse 857 Attachments

36" Mower Deck

Mower Deck Model ..................... RM-367
Mower Deck Type ..................... Mid-mount
Number of Blades ..................... 2
Cutting Width, in (mm) ..................... 36 (910)
Cutting Height, in (mm) ..................... 1.0-3.75 (25-95)
Deck Drive System ..................... Belt driven
Lift System ..................... Mechanical

32" Snowblower

Snowblower Model ..................... ST-326
Snowblower Type ..................... Front-mount
Clearing Width, in (mm) ..................... 32 (810)
Lift System ..................... Mechanical

Front Blade

Blade Model ..................... BD-4267
Blade Type ..................... Front-mount
Width, in (mm) ..................... 42 (1060)
Lift System ..................... Mechanical
Angle ..................... Manual