This page provides a detailed comparison of the specifications for the John Deere 9RX 640 and the Valmet 6250.
| John Deere 9RX 640 | Valmet 6250 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | John Deere | Valmet |
| Engine Model | JD14 | 420 DSRE |
| Engine Cooling Type | liquid-cooled | Liquid-cooled |
| Engine Fuel Type | diesel | Diesel |
| Engine Induction Type | turbocharged aftercooled | Turbocharged |
| Engine Cylinders | 6 | 4 |
| Engine Displacement Value | 827 ci (13.6 L) | 268 ci (4.4 L) |
| Engine Rated Rpm | 2100 | 2200 |
| Engine Power Output Value | 632 hp (471.0 kW) | 79 hp (59.0 kW) |
| Transmission | ||
| Transmission Type | full power shift | Three-speed power shift |
| Transmission Forward Gears | 18 | 36 |
| Transmission Reverse Gears | 6 | 36 |
| Dimensions | ||
| Length Value | 346.3 | 176.2 |
| Width Value | 30 | 85.8 |
| Operating Weight Value | 56320 lb (25546 kg) | 9700 lb (4400 kg) |
| Miscellaneous | ||
| Chassis | - | 4x4 MFWD 4WD |
| Drive Type | - | Four-wheel drive (4WD) |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | IVN/IV | Category 2 |
| Hitch Category | 3 | II |
| Hitch Position | Rear | Rear |
| Hydraulic System Type | closed center pressure/flow compensated | - |
| Operator Station Type | Cab | - |
| Starter Type | electric | Electric |
