This page provides a detailed comparison of the specifications for the Allis Chalmers 4W-220 and the Hart-Parr Old Reliable 30-60.
| Allis Chalmers 4W-220 | Hart-Parr Old Reliable 30-60 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Allis Chalmers | Hart-Parr |
| Engine Model | 670 HI | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Kerosene |
| Engine Induction Type | Turbocharged intercooled | Natural |
| Engine Cylinders | 6 | 2 |
| Engine Displacement Value | 426 ci (7.0 L) | 2356 ci (38.6 L) |
| Engine Rated Rpm | 2400 | 300 |
| Engine Power Output Value | 220 hp (164.1 kW) | - |
| Transmission | ||
| Transmission Type | Two-speed power shift | Gear |
| Transmission Forward Gears | 20 | 1 |
| Transmission Reverse Gears | 4 | 1 |
| Dimensions | ||
| Length Value | 129.4 | 200 |
| Width Value | - | 106 |
| Operating Weight Value | 21475 lb (9741 kg) | 20100 lb (9117 kg) |
| Miscellaneous | ||
| Chassis | 4x4 articulated 4WD | 4x2 |
| Drive Type | 4WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Category | III | - |
| Hitch Position | Rear | - |
| Hydraulic System Type | Closed center load-sensing | - |
| Operator Station Type | Cab (standard) | - |
| Starter Type | Electric | - |
