This page provides a detailed comparison of the specifications for the CaseIH STX425QT Quadtrac and the John Deere 9R 440.
| CaseIH STX425QT Quadtrac | John Deere 9R 440 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Cummins | John Deere |
| Engine Model | QSX15 | John Deere Diesel |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged aftercooled | Turbocharged aftercooled |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 915 ci (15.0 L) | 826 ci (13.5 L) |
| Engine Rated Rpm | 2000 | 1800 |
| Engine Power Output Value | 425 hp (316.9 kW) | 390 hp (290.8 kW) |
| Transmission | ||
| Transmission Type | Full power shift | Full power shift |
| Transmission Forward Gears | 16 | 18 |
| Transmission Reverse Gears | 2 | 6 |
| Dimensions | ||
| Length Value | - | 312.8 |
| Width Value | 44 | 173.3 |
| Operating Weight Value | 53264 lb (24160 kg) | 46800 lb (21228 kg) |
| Miscellaneous | ||
| Chassis | 4x4 (Quadtrac) | - |
| Drive Type | 4WD | - |
| Hitch Category | IVN/III | IV |
| Hitch Position | Rear | - |
| Hydraulic System Type | Pressure flow compensated (PFC) | Dual pump system |
| Operator Station Type | - | Cab |
| Starter Type | Electric, 12 volts | Electric |
