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Lawn Tractor · 1986Unverified

Wheel Horse 312-A

Name: Wheel Horse 312-A
Brand: Wheel Horse

Wheel Horse 312-A — 300 Series · 12 hp. Reference specifications; pending source verification.

The Wheel Horse 312-A is a lawn tractor model with a rated output of 12 hp, positioning it in the middle of its class in terms of power. Manufactured from 1986 to 1987, this model is equipped with a 1-cylinder petrol air-cooled engine and two-wheel drive, featuring a hydrostatic transmission. The listed weight of the Wheel Horse 312-A ranges from 584 to 689 pounds. It is designed for use on areas of approximately up to 200 acres.

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

Catalogue coverage

Variants represented

Richest spec table

61 rows

Recorded power

12 hp

Recorded weight

264 kg

Transmissions

hydrostatic

Production years

1986-1987

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

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.

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