This page provides a detailed comparison of the specifications for the Challenger MT285 and the Valmet 6250.
| Challenger MT285 | Valmet 6250 | |
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| Engine | ||
| Engine Manufacturer | Iseki | Valmet |
| Engine Model | - | 420 DSRE |
| Engine Cooling Type | Liquid | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbo Charged | Turbocharged |
| Engine Cylinders | 3 | 4 |
| Engine Displacement Value | 91 ci (1.5 L) | 268 ci (4.4 L) |
| Engine Rated Rpm | 2600 | 2200 |
| Engine Power Output Value | 40 hp (29.9 kW) | 79 hp (59.0 kW) |
| Transmission | ||
| Transmission Type | Synchronized Power Shuttle | Three-speed power shift |
| Transmission Forward Gears | 16 | 36 |
| Transmission Reverse Gears | 16 | 36 |
| Dimensions | ||
| Length Value | 121.5 | 176.2 |
| Width Value | 60.6 | 85.8 |
| Operating Weight Value | 3174 lb (1440 kg) | 9700 lb (4400 kg) |
| Miscellaneous | ||
| Chassis | 4x4 | 4x4 MFWD 4WD |
| Drive Type | 4WD | Four-wheel drive (4WD) |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | 3 Point | Category 2 |
| Hitch Category | I | II |
| Hitch Position | - | Rear |
| Hitch Capacity Value | 2100 lb (953 kg) | - |
| Hydraulic System Type | Open center | - |
| Operator Station Type | ROPS | - |
| Starter Type | Electric | Electric |
