Lawn Tractor · 1985Unverified
Wheel Horse 312-8
Wheel Horse 312-8 — 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
547 to 656 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 476cc 1-cyl gasolineReference
Fuel tank8.5 LReference
Kohler K301SReference
gasolineReference
1-cylinderReference
air-cooledReference
Original engine. The K301 was used on the Wheel Horse 312-8 through the 1986 model year.Reference
Displacement29.07 ciReference
Bore/Stroke86 x 83 mmReference
Power (gross)8.9 kWReference
Starter volts12Reference
Kohler M12Reference
The Kohler M12S replaced the K301 on the Wheel Horse 312-8 starting with the 1987 model year, tractor model code 21-12K804.Reference
Displacement29.1 ciReference
Bore/Stroke86 x 83 mmReference
Compression6.6:1Reference
Rated RPM3600Reference
SparkplugChampion RH10Reference
Sparkplug gap0.635 mmReference
Oil capacity2.4 LReference
Transmission
6-speed gearReference
ManufacturerWheel HorseReference
Typebelt-driven gearReference
Gears6 forward and 2 reverseReference
Oil capacity1.9 LReference
Oil typeSAE 90 GL5Reference
PTO & Hydraulics
Front PTOindependentReference
ClutchmechanicalReference
Dimensions
Wheelbase115 cmReference
Weight547 to 656 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
Length165 cmReference
Width92 cmReference
Height107 cmReference
Weight248 kgReference
Shipping weight297 kgReference
312-8 Serial Numbers
Location:Model codes shown.Reference
198521-12K801Reference
198621-12K802Reference
198621-12K803Reference
198721-12K804Reference
198821-12K805Reference
198921-12K806Reference
199031-12K801Reference
199131-12K802Reference
199231-12K804Reference
19933900001 (73380)Reference
19944900001 (73362/73380)Reference
19955900001 (73362)Reference
19966900001 (73362/73363)Reference
19977900001 (73363)Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps15Reference
Battery CCA160Reference
Battery volts12Reference
Battery AH24Reference
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.