Production | |
| Manufacturer: | Allis Chalmers |
| Type: | Row-Crop tractor |
| Factory: | West Allis, Wisconsin, USA |
| Original price: | $3,522 (1968) |
Variants | |
| cultivation tractor | |
| single-row tractor |
Allis Chalmers D12 Power | |
| Engine: | 31 hp 23.1 kW |
| Drawbar (claimed): | 25.75 hp 19.2 kW |
| PTO (claimed): | 30 hp 22.4 kW |
| Drawbar (tested): | 29.43 hp 21.9 kW |
| PTO (tested): | 33.32 hp 24.8 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| Cab: | Open operator station. |
| Transmission: | 4-speed sliding gear |
Hydraulics | |
| Type: | live |
| Valves: | 1 or 2 |
Tractor hitch | |
| Rear Type: | I |
| Type: | Snap-Couple |
Power Take-off (PTO) | |
| Rear RPM: | 540 |
D12 Serial Numbers | |
| Location: | Serial number stamped into the flange where the engine and transmission meet on the left side of the tractor. |
| 1959: | 1001 |
| 1960: | 1950 |
| 1961: | 2801 |
| 1962: | 3638 |
| 1963: | 5501 |
| 1964: | 6012 |
| 1965: | 9192 |
| 1966: | 9508 |
| 1967: | 9830 |
Engine Detail | |
| Allis-Chalmers | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled vertical L-head | |
| Original engine, used until 149 ci engine appeared in 1961. | |
| Displacement: | 138.7 ci 2.3 L |
| Bore/Stroke: | 3.375x3.875 inches 86 x 98 mm |
| Power: | 31 hp 23.1 kW |
| Air cleaner: | oil bath |
| Compression: | 7.75:1 |
| Rated RPM: | 1650 |
| Starter volts: | 6 |
| Oil capacity: | 4 qts 3.8 L |
| Coolant capacity: | 8 qts 7.6 L |
Transmission | |
| Type: | sliding gear |
| Gears: | 4 forward and 1 reverse |
Dimensions | |
| Wheelbase: | 78.75 inches 200 cm |
| Length: | 121 inches 307 cm |
| Height (hood): | 52.5 inches 133 cm |
| Height (exhaust): | 76.5 inches 194 cm |
| Shiping weight: | 2,800 lbs 1270 kg |
| Ballasted weight: | 5,630 lbs 2553 kg |
| Clearance (front axle): | 20.25 inches 51 cm |
| Clearance (rear axle): | 22.25 inches 56 cm |
| Front tread: | 49.3 to 80 inches 125 to 203 cm |
| Rear tread: | 52 to 79.25 inches 132 to 201 cm |