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Wheel Horse 312-A

Wheel Horse 312-A tractor
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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.
Wheel Horse 312-Agarden tractorKohler enginehydrostatic transmissionlawn tractormower decksnowblowerblade300 Series
Power-
Founded-
Model312-A

Technical Specifications

Detailed specifications and technical data for Wheel Horse 312-A

Engine

Power 1:12 hp (8.9 kW)
Starter 1:electric
Rated RPM 2:3600
Sparkplug 2:Champion RH10
Oil capacity:2.5 qts (2.4 L)
Bore/Stroke 1:3.25x2.875 inches (83 x 73 mm)
Bore/Stroke 2:3.38x3.25 inches (86 x 83 mm)
Compression 2:6.6:1
Displacement 1:390 cc (23.85 ci)
Displacement 2:476 cc (29.1 ci)
Engine options:12HP Kohler 390cc 1-cyl gasoline; 12HP Kohler 476cc 1-cyl gasoline
Engine detail 1:Kohler K301S, gasoline, 1-cylinder, air-cooled, Original engine used in 1986 model year
Engine detail 2:Kohler M12, gasoline, 1-cylinder, air-cooled, Replaced K301 starting 1987 model year, model code 21-12KE03
Power (gross) 2:12 hp (8.9 kW)
Sparkplug gap 2:0.025 inches (0.635 mm)
Starter volts 1:12

Features

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Dimensions

Width:36 inches (91 cm)
Length:64.8 inches (164 cm)
Weight:584 lbs (264 kg)
Rear tire:22x9.00-12
Wheelbase:45.5 inches (115 cm)
Front tire:15x6.00-6
Shipping weight:689 lbs (312 kg)

Electrical

Ground:negative
Battery volts:12

Production

Series:300 Series
Built in:South Bend, Indiana, USA
Category:Garden tractor
Years produced:1986 - 1987

Attachments

48" Blade:front-mount, 48 inches width (121 cm)
42" Snow blower:front-mount, 42 inches width (106 cm)
36" mid-mount mower deck:36 inches (91 cm), manual lift, electric lift optional, rear-discharge
37" mid-mount mower deck:37 inches (93 cm), manual lift, electric lift optional, right-discharge
42" mid-mount mower deck:42 inches (106 cm), manual lift, electric lift optional, rear-discharge
48" mid-mount mower deck:48 inches (121 cm), manual lift, electric lift optional, right-discharge

Transmission

Type:belt-driven hydrostatic
Gears:infinite forward and infinite reverse
Transmission:Eaton 700-0015