Wheel Horse 312-A
Power
12 hp
Production
1986-1987
Engine
1-cylinder
Transmission
Eaton 700-0015
Weight
689 lbs*As listed in the sales brochure for tractor without mower. May include a shipping crate. [312 kg]
Drive
2WD
Introduction
Wheel Horse 312-A Garden Tractor
The Wheel Horse 312-A is a garden tractor manufactured in South Bend, Indiana, USA, between 1986 and 1987. Designed for residential landscaping and light maintenance, this model is recognized for its mechanical simplicity and operational flexibility.
Engine Specifications
The tractor is powered by a 12 hp (8.9 kW) Kohler M12S air-cooled, single-cylinder engine with a displacement of 476 cc. It features a bore/stroke ratio of 86 mm by 83 mm and operates at a rated speed of 3600 RPM. The engine utilizes a 6.6:1 compression ratio and requires a Champion RH10 sparkplug with a gap of 0.635 mm.
Transmission and Drive System
The 312-A is equipped with an Eaton 700-0015 belt-driven hydrostatic transmission. This system provides infinite forward and reverse gears, allowing for smooth speed control without manual shifting. The machine utilizes a two-wheel drive configuration and manual steering for direct operator control.
Dimensions and Operator Station
The tractor features an open operator station designed for visibility. It has a wheelbase of 115 cm, a total length of 164 cm, and a width of 91 cm. The base weight of the unit is 264 kg. It is fitted with lawn and turf tires, specifically 15x6.00-6 on the front and 22x9.00-12 on the rear, to provide traction while minimizing soil compaction.
Compatibility and Maintenance
The tractor supports various mower deck sizes, including 36, 37, 42, and 48-inch options, making it adaptable to different lawn maintenance requirements. The oil capacity of the engine is 2.4 liters, and the electrical system operates on a 12-volt battery with a negative ground.
Conclusion
The Wheel Horse 312-A is a compact and reliable garden tractor suited for homeowners and hobbyists. Its hydrostatic transmission and compatibility with multiple mower deck sizes provide the necessary versatility for varied lawn care tasks, while its robust construction reflects the manufacturing standards of the period.
Production Information of Wheel Horse, 312-A
- Garden tractor
- Built in South Bend, Indiana, USA
| Manufacturer | Wheel Horse |
|---|
Dimension and Tires Information of Wheel Horse, 312-A
| Wheelbase | 45.5 inches [115 cm] |
|---|---|
| Shipping weight | 689 lbs [312 kg] |
| Weight | 584 lbs [264 kg] |
| Length | 64.8 inches [164 cm] |
| Width | 36 inches [91 cm] |
As listed in the sales brochure for tractor without mower. May include a shipping crate.
| Lawn/turf front | 15x6.00-6 |
|---|---|
| Lawn/turf rear | 22x9.00-12 |
Engine Specifications of Wheel Horse, 312-A
- The Kohler M12S replaced the K301 on the Wheel Horse 312-A starting with the 1987 model year, tractor model code 21-12KE03.
- Air-cooled
- 1-cylinder
| Sparkplug | Champion RH10 |
|---|---|
| Oil capacity | 2.5 qts [2.4 L] |
| Power (gross) | 12 hp [8.9 kW] |
| Displacement | 476 cc [29.1 ci] |
| Sparkplug gap | 0.025 inches [0.635 mm] |
| Rated RPM | 3600 |
| Compression | 6.6:1 |
| Bore/Stroke | 3.38x3.25 inches [86 x 83 mm] |
Transmission Information of Wheel Horse, 312-A
Transmission variants 1
| Transmission | Eaton 700-0015 |
|---|---|
| Type | Belt-driven hydrostatic |
| Gears | Infnite forward and infinite reverse |
Mechanical Specs of Wheel Horse, 312-A
- Two-wheel drive
- Manual steering
- Open operator station.
Electrical System of Wheel Horse, 312-A
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 12 HP, the Wheel Horse 312-A sits between SB-421 (11 HP) and 13-32XLE (13 HP) in Wheel Horse's range. Its power puts it in the 56th percentile of 1980s models in our database (977 machines).
Frequently asked questions
How much horsepower does the Wheel Horse 312-A have?
The Wheel Horse 312-A delivers 12 HP.
What years was the Wheel Horse 312-A produced?
The Wheel Horse 312-A was produced in 1986-1987.
What engine does the Wheel Horse 312-A have?
The Wheel Horse 312-A is powered by a 1-cylinder engine.
What transmission does the Wheel Horse 312-A use?
The Wheel Horse 312-A uses a Eaton 700-0015 transmission.
How much does the Wheel Horse 312-A weigh?
The Wheel Horse 312-A weighs 689 lbs*As listed in the sales brochure for tractor without mower. May include a shipping crate. [312 kg].
Is the Wheel Horse 312-A 4WD?
The Wheel Horse 312-A is available in 2WD.