Wheel Horse lawn tractors

Wheel Horse 312-A

The Wheel Horse 312-A is a garden tractor produced from 1986 to 1987 as part of the 300 Series. It was built in South Bend, Indiana, USA. It features two engine options: a 12HP Kohler 390cc 1-cylinder gasoline engine used in 1986, and a 12HP Kohler 476cc 1-cylinder gasoline engine used starting in 1987. The tractor has a belt-driven hydrostatic Eaton 700-0015 transmission with infinite forward and reverse gears. It has a wheelbase of 45.5 inches, length of 64.8 inches, width of 36 inches, and weighs between 584 and 689 pounds. The 312-A is two-wheel drive with manual steering and an open operator station. It supports various attachments including multiple mid-mount mower decks, a snowblower, and a blade.
Power-
Founded-
Model312-A

Technical Specifications

Detailed specifications and technical data for Wheel Horse 312-A

Engine
Power 112 hp (8.9 kW)
Starter 1electric
Rated RPM 23600
Sparkplug 2Champion RH10
Oil capacity2.5 qts (2.4 L)
Bore/Stroke 13.25x2.875 inches (83 x 73 mm)
Bore/Stroke 23.38x3.25 inches (86 x 83 mm)
Compression 26.6:1
Displacement 1390 cc (23.85 ci)
Displacement 2476 cc (29.1 ci)
Engine options12HP Kohler 390cc 1-cyl gasoline; 12HP Kohler 476cc 1-cyl gasoline
Engine detail 1Kohler K301S, gasoline, 1-cylinder, air-cooled, Original engine used in 1986 model year
Engine detail 2Kohler M12, gasoline, 1-cylinder, air-cooled, Replaced K301 starting 1987 model year, model code 21-12KE03
Power (gross) 212 hp (8.9 kW)
Sparkplug gap 20.025 inches (0.635 mm)
Starter volts 112
Features
DriveTwo-wheel drive
SteeringManual steering
Operator stationOpen operator station
Dimensions
Width36 inches (91 cm)
Length64.8 inches (164 cm)
Weight584 lbs (264 kg)
Rear tire22x9.00-12
Wheelbase45.5 inches (115 cm)
Front tire15x6.00-6
Shipping weight689 lbs (312 kg)
Electrical
Groundnegative
Battery volts12
Production
Series300 Series
Built inSouth Bend, Indiana, USA
CategoryGarden tractor
Years produced1986 - 1987
Attachments
48" Bladefront-mount, 48 inches width (121 cm)
42" Snow blowerfront-mount, 42 inches width (106 cm)
36" mid-mount mower deck36 inches (91 cm), manual lift, electric lift optional, rear-discharge
37" mid-mount mower deck37 inches (93 cm), manual lift, electric lift optional, right-discharge
42" mid-mount mower deck42 inches (106 cm), manual lift, electric lift optional, rear-discharge
48" mid-mount mower deck48 inches (121 cm), manual lift, electric lift optional, right-discharge
Transmission
Typebelt-driven hydrostatic
Gearsinfinite forward and infinite reverse
TransmissionEaton 700-0015