Wheel Horse B-80

Wheel Horse B-80The Wheel Horse B-80 is a lawn tractor model from the B series, manufactured from 1974 to 1977 by Wheel Horse in South Bend, Indiana, USA. It was available in a two-wheel drive (2WD) version.

The Wheel Horse B-80 is equipped with a 305 cc (18.6 cu·in) single-cylinder gasoline engine with 74.62 mm (2.94 in) of the cylinder bore and 69.85 mm (2.75 in) of the piston stroke, and a belt-driven gear type transmission with 6 forward and 2 reverse gears.

The Wheel Horse B-80 lawn tractor features:

  • The Kohler K181S gasoline engine which produces 8.2 PS (6.0 kW; 8.0 HP) at 3,600 rpm of horsepower
  • Manual steering
  • Open operator station

General specifications

General Specifications
Model Wheel Horse B-80
Tractor type Lawn tractor
Production years 1974-1977
Factory South Bend, Indiana, USA
Dimensions and weight
Length 1,650 mm (65 in)
Width 830 mm (32.7 in)
Height 1,010 mm (39.8 in)
Wheel base 1,150 mm (45.3 in)
Weight 244 kg (538 lbs)
Fuel capacity
Fuel tank capacity 5.7 liters (1.5 US gal.; 1.3 Imp. gal)


Engine Specifications
Engine model Kohler K181
Engine type 4-stroke, L-head (side valve), single-cylinder
Displacement 305 cm3, (18.6 cu·in)
Bore and stroke 74.62 mm X 69.85 mm (2.95 in X 2.75 in)
Max. horsepower 8.2 PS (6.0 kW; 8.0 HP) at 3,600 rpm
Cooling system Forced air
Lubricating system Splash type
Fuel system Carburetor
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Electric starter
Governor Centrifugal governor
Valve clearance
Intake valve clearance: 0.15-0.20 mm (0.0059-0.0079 in)
Exhaust valve clearance: 0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Lubrication system: Splash type
Oil type: API SF or SG
Recommended oil: Summer: SAE 30W
Winter: SAE 5W-20, 5W-30
Oil capacity: 0.9 L (1 US. qt, 0.8 Imp. qt.)
Ignition system
Spark plug: Champion RJ8C
Spark plug gap: 0.65 mm (0.0256 in)
Spark plug torque: 27 N·m (2.8 kg·m, 19.9 ft·lb)

Transmission and chassis

Chassis, steering and brakes
Chassis 4×2 2WD
Steering type Manual
Transmission manufacturer or model
Transmission type Belt-driven gear type
Gears 6 forward and 2 reverse
Speed Forward: 8.7 kmh (5.4 mph)
Reverse: 4.2 kmh (2.6 mph)


Front tires Lawn/turf: 16×6.50-8
Rear tires Lawn/turf: 22×7.50-12

Electrical system

Electrical system
Ground Negative
Charging system
Charging amps
Battery 12V, 24Ah


Wheel Horse 36″ mower deck with 3-blade
Cutting width 910 mm (36 in)
Wheel Horse 42″ front-mount blade
Cutting width 1,060 mm (42 in)
Wheel Horse 42″ front-mount snow blower
Cleaning width 1,060 mm (42 in)