This page provides a detailed comparison of the specifications for the Allis Chalmers 620 and the Hart-Parr Old Reliable 30-60.
| Allis Chalmers 620 | Hart-Parr Old Reliable 30-60 | |
|---|---|---|
| Images | ||
|
|
|
|
| Engine | ||
| Engine Manufacturer | Onan | Hart-Parr |
| Engine Model | CCKB | - |
| Engine Cooling Type | Air-cooled | Liquid-cooled |
| Engine Fuel Type | Gasoline | Kerosene |
| Engine Induction Type | Natural Aspirated | Natural |
| Engine Cylinders | 2 | 2 |
| Engine Displacement Value | 50 ci (0.8 L) | 2356 ci (38.6 L) |
| Engine Rated Rpm | 3600 | 300 |
| Engine Power Output Value | 20 hp (14.5 kW) | - |
| Transmission | ||
| Transmission Type | Hydrostatic | Gear |
| Transmission Forward Gears | Infinite (3-range) | 1 |
| Transmission Reverse Gears | Infinite (3-range) | 1 |
| Dimensions | ||
| Length Value | 82.7 | 200 |
| Width Value | 47.6 | 106 |
| Operating Weight Value | 1499 lb (680 kg) | 20100 lb (9117 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Operator Station Type | Open | - |
| Starter Type | Electric | - |
