This page provides a detailed comparison of the specifications for the Allis Chalmers D272 and the Hart-Parr Old Reliable 30-60.
| Allis Chalmers D272 | Hart-Parr Old Reliable 30-60 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Allis-Chalmers | Hart-Parr |
| Engine Model | 2.1L 4-cyl gasoline | - |
| Engine Cooling Type | - | Liquid-cooled |
| Engine Fuel Type | Gasoline | Kerosene |
| Engine Induction Type | Naturally aspirated | Natural |
| Engine Cylinders | 4 | 2 |
| Engine Displacement Value | 125 ci (2.1 L) | 2356 ci (38.6 L) |
| Engine Rated Rpm | 1650 | 300 |
| Engine Power Output Value | 28 hp (20.5 kW) | - |
| Transmission | ||
| Transmission Type | Sliding gear | Gear |
| Transmission Forward Gears | 3 | 1 |
| Transmission Reverse Gears | 1 | 1 |
| Dimensions | ||
| Length Value | 110 | 200 |
| Width Value | - | 106 |
| Operating Weight Value | 2060 lb (934 kg) | 20100 lb (9117 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
