Lawn Tractor · 1986Unverified
Wheel Horse 312-A
Wheel Horse 312-A — 300 Series · 12 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
12 hp
Weight
584 to 689 pounds
Hover a source tag to verify
Overview
ManufacturerWheel HorseReference
Garden tractorReference
Built in South Bend, Indiana, USAReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
12HP Kohler 390cc 1-cyl gasolineReference
12HP Kohler 476cc 1-cyl gasolineReference
Fuel tank11.4 LReference
Kohler K301SReference
gasolineReference
1-cylinderReference
air-cooledReference
Original engine. The K301 was used on the Wheel Horse 312-A during the 1986 model year.Reference
Displacement23.85 ciReference
Bore/Stroke83 x 73 mmReference
Power8.9 kWReference
StarterelectricReference
Starter volts12Reference
Kohler M12Reference
The Kohler M12S replaced the K301 on the Wheel Horse 312-A starting with the 1987 model year, tractor model code 21-12KE03.Reference
Displacement29.1 ciReference
Bore/Stroke86 x 83 mmReference
Power (gross)8.9 kWReference
Compression6.6:1Reference
Rated RPM3600Reference
SparkplugChampion RH10Reference
Sparkplug gap0.635 mmReference
Oil capacity2.4 LReference
Transmission
hydrostaticReference
TransmissionEaton 700-0015Reference
Typebelt-driven hydrostaticReference
Gearsinfnite forward and infinite reverseReference
Dimensions
Wheelbase115 cmReference
Weight584 to 689 poundsReference
Front tire15x6.00-6Reference
Rear tire22x9.00-12Reference
36" mid-mount mower deckReference
37" mid-mount mower deckReference
42" mid-mount mower deckReference
48" mid-mount mower deckReference
snowblowerReference
bladeReference
Lawn/turf front15x6.00-6Reference
Lawn/turf rear22x9.00-12Reference
Length164 cmReference
Width91 cmReference
Weight264 kgReference
Shipping weight312 kgReference
312-A Serial Numbers
Location:Model codes shown.Reference
1986-unknown-Reference
1987-unknown-Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Attachment overview
36" mid-mount mower deckReference
37" mid-mount mower deckReference
42" mid-mount mower deckReference
48" mid-mount mower deckReference
SnowblowerReference
BladeReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.