Wheel Horse 312-8

Wheel Horse 312-8The Wheel Horse 312-8 is a 2WD lawn and garden tractor from the 300 series. This tractor was manufactured by Wheel Horse from 1985 to 1997.

Wheel Horse 312-8 is equipped with one of two engines: the Kohler K301S, a 0.5 L (29.0 cu·in) single-cylinder gasoline engine (1985-1987), or the Kohler M12S, a 0.5 L (29.0 cu·in) single-cylinder gasoline engine (after 1987) and belt-driven gear transmission with 6 forward and 2 reverse gears.

The tractor could be equipped with the following engines:

  • Kohler K301S. It is a 0.5 L, 476 cm2, (29.0 cu·in) single-cylinder natural aspirated gasoline engine with 86.0 mm (3.39 in) of the cylinder bore and 83.0 mm (3.27 in) of the piston stroke. This engine produced 12.2 PS (8.9 kW; 12.0 HP) at 3,600 rpm of output power.
  • Kohler M12S. It is a 0.5 L, 476 cm2, (29.0 cu·in) single-cylinder natural aspirated gasoline engine. The cylinder bore is 86.0 mm (3.39 in) and the piston stroke is 83.0 mm (3.27 in). The compression ratio rating is 6.6:1. This engine produced 12.2 PS (8.9 kW; 12.0 HP) at 3,600 rpm of output power.

The Wheel Horse 312-8 is equipped with manual steering, open operator station, and 8.5 liters (2.2 US gal.; 1.9 Imp. gal) fuel tank.

Following attachments are available for the WH 312-8 lawn tractor:

  • 910 mm (36 in) mower deck with manual lift
  • 930 mm (37 in) mower deck with manual lift
  • 1,060 mm (42 in) mower deck with manual lift and 3-blades
  • 1,210 mm (48 in) mower deck with manual lift and 3-blades
  • Front-mount 1,210 mm (48 in) blade
  • Front-mount 1,060 mm (42 in) snow blower
  • Front-mount 1,110 mm (44 in) snow blower

Wheel Horse 312-8 Specifications

General Specifications
Model Wheel Horse 312-8
Length 1,650 mm (65 in)
Width 920 mm (36.2 in)
Height 1,070 mm (42.1 in)
Wheel base 1,150 mm (45.3 in)
Weight 248 kg (547 lbs)
Fuel tank capacity 8.5 liters (2.2 US gal.; 1.9 Imp. gal)
Battery 12V, 24Ah, CCA: 160A
Cabin type Open operator station
Engine
Engine model Kohler K301S
Engine type Four-stroke, air-cooled, inline
Cylinders 1
Fuel type Gasoline
Displacement 0.5 L, 476 cm2, (29.0 cu·in)
Bore and stroke 86.0 mm X 83.0 mm (3.39 in X 3.27 in)
Horsepower 12.2 PS (8.9 kW; 12.0 HP) at 3,600 rpm
Starter Electric
Oil type API SF or SG
Spark plug Champion RH10
Engine
Engine model Kohler M12S
Engine type Four-stroke, air-cooled, inline
Cylinders 1
Fuel type Gasoline
Displacement 0.5 L, 476 cm2, (29.0 cu·in)
Bore and stroke 86.0 mm X 83.0 mm (3.39 in X 3.27 in)
Compression ratio 6.6:1
Horsepower 12.2 PS (8.9 kW; 12.0 HP) at 3,600 rpm
Starter Electric
Oil type API SF or SG, SAE: 5W-30
Oil capacity: 2.4 L (2.5 US. qt, 2.1 Imp. qt.)
Spark plug Champion RH10
Transmission and chassis
Chassis 4×2 2WD
Steering type Manual
Brakes –
Transmission model
Transmission type Belt-driven gear
Gears 6 forward and 2 reverse
Speed Forward: 8.8 kmh (5.5 mph) Reverse: 4.2 (2.6 mph)
Transmission oil capacity 1.9 L (0.5 US. gal, 0.4 Imp. gal.)
Tires
Front tires Lawn/turf: 15×6.00-6
Rear tires Lawn/turf: 22×9.00-12
PTO (Power take-off shaft)
Front PTO type Independent with mechanical clutch
Front PTO speed –
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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