This page provides a detailed comparison of the specifications for the Allis Chalmers HD11AG Series B and the Hart-Parr Old Reliable 30-60.
| Allis Chalmers HD11AG Series B | Hart-Parr Old Reliable 30-60 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Allis Chalmers | Hart-Parr |
| Engine Model | 11000 | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Kerosene |
| Engine Induction Type | Turbocharged | Natural |
| Engine Cylinders | 6 | 2 |
| Engine Displacement Value | 516 ci (8.5 L) | 2356 ci (38.6 L) |
| Engine Rated Rpm | 1800 | 300 |
| Engine Power Output Value | 126 hp (94.3 kW) | - |
| Transmission | ||
| Transmission Type | Gear | Gear |
| Transmission Forward Gears | 6 | 1 |
| Transmission Reverse Gears | 3 | 1 |
| Dimensions | ||
| Length Value | 125 | 200 |
| Width Value | 96 | 106 |
| Operating Weight Value | 25000 lb (11340 kg) | 20100 lb (9117 kg) |
| Miscellaneous | ||
| Chassis | Tracked | 4x2 |
| Drive Type | Track | 2WD |
| Starter Type | Electric | - |
