Allis Chalmers D12

Allis Chalmers D12The Allis Chalmers D12 is a 2WD row-crop tractor from the D series. This tractor was manufactured by Allis Chalmers in West Allis, Wisconsin, USA from 1959 to 1968.

The Allis Chalmers D12 is equipped with one of two engines: a 2.3 L (138.7 cu·in) four-cylinder gasoline engine or a 2.4 L (149.0 cu·in) four-cylinder gasoline engine and sliding gear transmission with 4 forward and 1 reverse gear.

The tractor could be equipped with the following engines:

  • Allis-Chalmers Power-Crater. It is a 2.3 L, 2,273 cm2, (138.7 cu·in) four-cylinder natural aspirated gasoline engine with 86.0 mm (3.39 in) of the cylinder bore and 98.0 mm (3.86 in) of the piston stroke. The compression ratio rating is 7.75:1. This engine produced 31.4 PS (23.1 kW; 31.0 HP) at 1,650 rpm of output power.
  • Allis-Chalmers. It is a 2.4 L, 2,442 cm2, (149.0 cu·in) four-cylinder natural aspirated gasoline engine. The cylinder bore is 89.0 mm (3.5 in) and the piston stroke is 98.0 mm (3.86 in). The compression ratio rating is 7.5:1. This engine produced 31.4 PS (23.1 kW; 31.0 HP) at 1,650 rpm of output power.

The Allis Chalmers D12 is equipped with manual steering, open operator station, and 47.3 liters (12.5 US gal.; 10.4 Imp. gal) fuel tank.

Allis Chalmers D12 Specifications

General Specifications
Model Allis Chalmers D12
Length 3,070 mm (120.9 in)
Width
Height 1,940 mm (76.4 in)
Wheel base 2,000 mm (78.7 in)
Weight 1,270 kg (2,800 lbs)
Fuel tank capacity 47.3 liters (12.5 US gal.; 10.4 Imp. gal)
Battery 6V
Cabin type Open operator station
Engine
Engine model Allis-Chalmers Power-Crater
Engine type Four-stroke, liquid-cooled, inline
Cylinders 4
Fuel type Gasoline
Displacement 2.3 L, 2,273 cm2, (138.7 cu·in)
Bore and stroke 86.0 mm X 98.0 mm (3.39 in X 3.86 in)
Compression ratio 7.75:1
Horsepower 31.4 PS (23.1 kW; 31 HP) at 1,650 rpm
Starter Electric
Oil capacity: 3.8 L (4 US. qt, 3.3 Imp. qt.)
Coolant capacity: 7.6 L (8 US. qt, 6.7 Imp. qt.)
Engine
Engine model Allis-Chalmers
Engine type Four-stroke, liquid-cooled, inline
Cylinders 4
Fuel type Gasoline
Displacement 2.4 L, 2,442 cm2, (149.0 cu·in)
Bore and stroke 89.0 mm X 98.0 mm (3.5 in X 3.86 in)
Compression ratio 7.5:1
Horsepower 31.4 PS (23.1 kW; 31 HP) at 1,650 rpm
Starter Electric
Transmission and chassis
Chassis 4×2 2WD
Steering type Manual
Brakes
Transmission model
Transmission type Sliding gear
Gears 4 forward and 1 reverse
Speed Forward: 18.3 kmh (11.4 mph) Reverse: 5.6 (3.5 mph)
Tires
Front tires Ag: 5.00-15
Rear tires Ag: 10-24
Three-Point Hitch
Caterogy I
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Rear PTO type
Rear PTO speed 540 rpm
Hydraulic system
Hydraulic type Live
Valves 1 or 2