This page provides a detailed comparison of the specifications for the CaseIH STX425QT Quadtrac and the Hart-Parr Old Reliable 30-60.
| CaseIH STX425QT Quadtrac | Hart-Parr Old Reliable 30-60 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Cummins | Hart-Parr |
| Engine Model | QSX15 | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Kerosene |
| Engine Induction Type | Turbocharged aftercooled | Natural |
| Engine Cylinders | 6 | 2 |
| Engine Displacement Value | 915 ci (15.0 L) | 2356 ci (38.6 L) |
| Engine Rated Rpm | 2000 | 300 |
| Engine Power Output Value | 425 hp (316.9 kW) | - |
| Transmission | ||
| Transmission Type | Full power shift | Gear |
| Transmission Forward Gears | 16 | 1 |
| Transmission Reverse Gears | 2 | 1 |
| Dimensions | ||
| Length Value | - | 200 |
| Width Value | 44 | 106 |
| Operating Weight Value | 53264 lb (24160 kg) | 20100 lb (9117 kg) |
| Miscellaneous | ||
| Chassis | 4x4 (Quadtrac) | 4x2 |
| Drive Type | 4WD | 2WD |
| Hitch Category | IVN/III | - |
| Hitch Position | Rear | - |
| Hydraulic System Type | Pressure flow compensated (PFC) | - |
| Starter Type | Electric, 12 volts | - |
