This page provides a detailed comparison of the specifications for the Challenger MT755D and the Hart-Parr Old Reliable 30-60.
| Challenger MT755D | Hart-Parr Old Reliable 30-60 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | AGCO POWER | Hart-Parr |
| Engine Cooling Type | Liquid-cooled with two thermostats and variable speed fan | Liquid-cooled |
| Engine Fuel Type | Diesel | Kerosene |
| Engine Induction Type | Turbocharged Air-to-air Intercooled | Natural |
| Engine Cylinders | 6 | 2 |
| Engine Displacement Value | 513 ci (8.4 L) | 2356 ci (38.6 L) |
| Engine Rated Rpm | - | 300 |
| Engine Power Output Value | 318 hp (236.8 kW) | - |
| Transmission | ||
| Transmission Type | Full Power Shift | Gear |
| Transmission Forward Gears | 16 | 1 |
| Transmission Reverse Gears | 4 | 1 |
| Dimensions | ||
| Length Value | - | 200 |
| Width Value | - | 106 |
| Operating Weight Value | 31520 lb (14297 kg) | 20100 lb (9117 kg) |
| Miscellaneous | ||
| Chassis | - | 4x2 |
| Drive Type | - | 2WD |
| Hitch Category | III/IIIN | - |
| Hitch Position | Rear | - |
| Hydraulic System Type | Closed-center Pressure-flow Compensated (PFC) | - |
| Starter Type | 12 Volts Electric Starter | - |
