This page provides a detailed comparison of the specifications for the Ford TW-20 and the Hart-Parr Old Reliable 30-60.
| Ford TW-20 | Hart-Parr Old Reliable 30-60 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Ford | Hart-Parr |
| Engine Model | Ford | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Kerosene |
| Engine Induction Type | Turbocharged | Natural |
| Engine Cylinders | 6 | 2 |
| Engine Displacement Value | 401 ci (6.6 L) | 2356 ci (38.6 L) |
| Engine Rated Rpm | 2200 | 300 |
| Engine Power Output Value | 157 hp (117.1 kW) | - |
| Transmission | ||
| Transmission Type | Two-speed power shift with cerametallic disc clutch | Gear |
| Transmission Forward Gears | 16 | 1 |
| Transmission Reverse Gears | 4 | 1 |
| Dimensions | ||
| Length Value | 175.6 | 200 |
| Width Value | 103.9 | 106 |
| Operating Weight Value | 12249 lb (5556 kg) | 20100 lb (9117 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | Three-Point Hitch | - |
| Hitch Category | Category 3 | - |
| Hitch Position | Rear | - |
| Hitch Capacity Value | 5700 lb (2585 kg) | - |
| Hydraulic System Type | Open center | - |
| Operator Station Type | ROPS | - |
| Starter Type | Electric | - |
