Wheel Horse lawn tractors

Wheel Horse 312-H

The Wheel Horse 312-H is a garden tractor produced from 1990 to 1992 as part of the 300 Series. It features a 12 hp Kohler M12S 476cc 1-cylinder air-cooled gasoline engine, a belt-driven hydrostatic Eaton 1100-032 transmission with infinite forward and reverse gears, and two-wheel drive with manual steering. The tractor has a wheelbase of 45.5 inches, weighs 622 lbs, and uses lawn/turf tires sized 15x6.00-6 front and 23x8.50-12 rear. It supports various attachments including mid-mount mower decks (37", 42", 48"), snowblowers, and blades. The 312-H was built in South Bend, Indiana, USA, and is part of the Wheel Horse brand under Toro.
Power-
Founded-
Model312-H

Technical Specifications

Detailed specifications and technical data for Wheel Horse 312-H

Engine
Typegasoline
ModelKohler M12S
Coolingair-cooled horizontal-shaft
Starterelectric
Cylinders1-cylinder
Fuel tank1.75 gal (6.6 L)
Rated RPM3600
SparkplugRH10
Bore/Stroke3.38x3.25 inches (86 x 83 mm)
Displacement476 cc (29.07 ci)
Oil capacity2.5 qts (2.4 L)
Power (gross)12 hp (8.9 kW)
Sparkplug gap0.025 inches (0.635 mm)
Starter volts12
Dimensions
Width36.5 inches (92 cm)
Height42.5 inches (107 cm)
Length65 inches (165 cm)
Weight622 lbs (282 kg)
Rear tire23x8.50-12
Wheelbase45.5 inches (115 cm)
Front tire15x6.00-6
Electrical
Groundnegative
Battery CCA160
Battery volts12
Charging amps15
Production
TypeGarden tractor
Series300 Series
Built inSouth Bend, Indiana, USA
Years made1990 - 1992
Attachments
NoteGarden tractors are capable of using tillers, plows, or other ground-engaging attachments.
Bladefront-mount, 48 inches height (121 cm)
Snowblower44 inches width (111 cm), two-stage, front-mount
37" mid-mount mower deck37 inches (93 cm), 2-blade
42" mid-mount mower deck42 inches (106 cm), 3-blade
48" mid-mount mower deck48 inches (121 cm), 3-blade
Transmission
Typebelt-driven hydrostatic
Gearsinfinite forward and reverse
ModelEaton 1100-032