This page provides a detailed comparison of the specifications for the Allis Chalmers M and the Caterpillar D2. The specifications are categorized into four main sections: Engine, Transmission, Dimensions, and Miscellaneous. By comparing these two tractors side by side, you can easily identify the similarities and differences between them and determine which one best suits your needs.
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Allis Chalmers M
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Caterpillar D2
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| Images | No images available | |
| Engine | ||
| Engine - Manufacturer | Allis Chalmers | Caterpillar |
| Engine - Model | - | 3.6L 4-cyl diesel (Option 1), 4.1L 4-cyl diesel (Option 2) |
| Engine - Cooling Type | Air-cooled (oil bath air cleaner indicates air cooling with additional oil bath filtration) | Liquid-cooled |
| Engine - Cylinder Orientation | - | - |
| Engine - Valve Configuration | - | - |
| Engine - Fuel Type | Gasoline | Diesel |
| Engine - Induction Type | - | - |
| Engine - Cylinders | 4 | 4 |
| Engine - Displacement (ci) | 318 | 221 (Option 1), 252 (Option 2) |
| Engine - Bore (in) | 4.5 | 3.74 (Option 1), 4.02 (Option 2) |
| Engine - Stroke (in) | - | - |
| Engine - Rated RPM | 1200 | 1525 |
| Engine - Power Output (hp) | - | 32.9 HP |
| Transmission | ||
| Transmission - Type | Gear | Gear type with dry disc clutch |
| Transmission - Forward Gears | 4 | 5 |
| Transmission - Reverse Gears | - | - |
| Transmission - Total Gears | - | - |
| Dimensions | ||
| Length (in) | 101.3 | 107.9 |
| Width (in) | 57.25 | - |
| Height (in) | 56 | 57.5 |
| Operating Weight (lb) | 6200 | 8536 (1955), 7419 (1939) |
| Miscellaneous | ||
| Chassis | Crawler | Crawler |
| Drive Type | Track | - |
| Steering Type | Manual | Mechanical clutches |
| Coolant Capacity (qts) | 24 | - |
| Front Tire Diameter (in) | - | - |
| Front Tire Width (in) | - | - |
| Rear Tire Diameter (in) | - | - |
| Rear Tire Width (in) | - | - |
| Front/Rear Rim Diameter (in) | - | - |
| Tire Type | Track-driven | 12-inch track |
| Manufacture - End Year | - | 1957 |
| Hitch Type | - | - |
| Hitch Category | - | - |
| Hitch Position | - | - |
| Hitch Capacity (lb) | - | - |
| Operator Station Type | - | Open operator station |
| Starter Type | Electric (6 volts) | Gasoline pony motor |
| PTO Type | - | - |
| PTO Speed 1 (rpm) | - | - |
| PTO Speed 2 (rpm) | - | - |
| PTO Speed 3 (rpm) | - | - |
| Brake Type | - | - |
| Hydraulic System Type | - | - |
