Allis Chalmers 312
Power
12 hp
Production
1971-1973
Transmission
Vari-Shift
Weight
804 lbs [364 kg]
Drive
2WD
From the same series:
Introduction
Allis-Chalmers 312 Garden Tractor
The Allis-Chalmers 312 is a garden tractor produced between 1971 and 1973 in Lexington, South Carolina. Part of the 310 and 314 series, this model was designed for residential and light-duty landscaping applications.
Engine and Performance
The tractor is powered by an air-cooled engine generating 12 horsepower (8.9 kW) at a rated speed of 3600 RPM. It features a displacement of 476 cc (29.07 cubic inches) with a bore and stroke of 3.38 by 3.25 inches. The engine requires an oil capacity of 2 quarts (1.9 L), with maintenance intervals for oil changes recommended every 25 hours.
Transmission and Drivetrain
The 312 model offers two transmission configurations: a Vari-Shift manual transmission providing 21 forward and 7 reverse gears, or a hydrostatic transmission allowing for infinite forward and reverse speeds. The vehicle utilizes a two-wheel-drive system with manual steering and an open operator station.
Power Take-Off and Hydraulics
The tractor is equipped with an independent front PTO system operating at 3600 RPM. Engagement is managed via a manual clutch, with an optional electric PTO engagement system available for enhanced operator control.
Dimensions and Chassis
The unit has a wheelbase of 48.1 inches (122 cm) and a total length of 74 inches (187 cm). The standard weight is 804 lbs (364 kg), with the hydrostatic variant weighing 845 lbs (383 kg). It features lawn and turf tires sized 16-6.50x8 for the front and 23-10.50x12 for the rear, providing a clearance of 8 inches at the front axle and 6 inches at the rear axle.
Conclusion
The Allis-Chalmers 312 is a robust garden tractor tailored for property maintenance, compatible with 42-inch or 48-inch mower decks. Its variety of transmission options and straightforward mechanical design make it a versatile tool for collectors and groundskeepers seeking a classic, functional machine.
Production Information of Allis Chalmers, 312
- The Allis-Chalmers 312 can be referenced in the Simplicity catalog by codes 1600046, 1600047 (electric pto/lift), and 1600048 (hydrostatic).
- Garden tractor
- Built in Lexington, South Carolina, USA
| Manufacturer | Allis Chalmers |
|---|
Dimension and Tires Information of Allis Chalmers, 312
| Rear tread | 30.7 inches [77 cm] |
|---|---|
| Wheelbase | 48.1 inches [122 cm] |
| Weight | 804 lbs [364 kg] |
| Height (steering wheel) | 43 inches [109 cm] |
| Length | 74 inches [187 cm] |
| Clearance (rear axle) | 6 inches [15 cm] |
| Clearance (rear axle)(optional) | 845 lbs (hydro) [383 kg] |
| Width | 38.5 inches [97 cm] |
| Front tread | 28 inches [71 cm] |
| Clearance (drawbar) | 7.5 inches [19 cm] |
| Clearance (front axle) | 8 inches [20 cm] |
| Lawn/turf front | 16-6.50x8 |
|---|---|
| Lawn/turf rear | 23-10.50x12 |
Engine Specifications of Allis Chalmers, 312
- Air-cooled
| Power | 12 hp [8.9 kW] |
|---|---|
| Displacement | 476 cc [29.07 ci] |
| Oil capacity | 2 qts [1.9 L] |
| Rated RPM | 3600 |
| Bore/Stroke | 3.38x3.25 inches [86 x 83 mm] |
| Oil change | 25 h |
| Starter volts | 12 |
Transmission Information of Allis Chalmers, 312
Transmission variants 1
| Transmission | Vari-Shift |
|---|---|
| Gears | 21 forward and 7 reverse |
Transmission variants 2
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse |
- 21-speed
- Hydrostatic
Mechanical Specs of Allis Chalmers, 312
- Two-wheel drive
- Open operator station.
| Steering | Manual |
|---|
Power Information of Allis Chalmers, 312
| Front PTO | Independent |
|---|---|
| Front PTO Type | 3600 |
| Clutch | Manual |
| Clutch(optional) | Electric (optional) |
Electrical System of Allis Chalmers, 312
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 15 |
Where it sits
With 12 HP, the Allis Chalmers 312 sits between 310 (10 HP) and 314 (14 HP) in Allis Chalmers's range. Its power puts it in the 76th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Allis Chalmers 312 have?
The Allis Chalmers 312 delivers 12 HP.
What years was the Allis Chalmers 312 produced?
The Allis Chalmers 312 was produced in 1971-1973.
What transmission does the Allis Chalmers 312 use?
The Allis Chalmers 312 uses a Vari-Shift transmission.
How much does the Allis Chalmers 312 weigh?
The Allis Chalmers 312 weighs 804 lbs [364 kg].
Is the Allis Chalmers 312 4WD?
The Allis Chalmers 312 is available in 2WD.