This page provides a detailed comparison of the specifications for the Challenger MT743 and the Valmet 6250.
| Challenger MT743 | Valmet 6250 | |
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| Engine | ||
| Engine Manufacturer | AGCO Power | Valmet |
| Engine Model | AGCO Power 9.8 L | 420 DSRE |
| Engine Cooling Type | Liquid-cooled with two paper elements and aspirator; Engine coolant heat exchanger for crankcase oil, radiator for hydraulic and transmission oil | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged with two turbochargers, water to air intercooler, air to air intercooler, and D.E.F. technology | Turbocharged |
| Engine Cylinders | 7 | 4 |
| Engine Displacement Value | 599 ci (9.8 L) | 268 ci (4.4 L) |
| Engine Rated Rpm | 1700 | 2200 |
| Engine Power Output Value | 425 hp (316.9 kW) | 79 hp (59.0 kW) |
| Transmission | ||
| Transmission Type | CVT. Infinitely variable hydrostatic using variable-displacement pump and motors | Three-speed power shift |
| Transmission Forward Gears | Infinite | 36 |
| Transmission Reverse Gears | Infinite | 36 |
| Dimensions | ||
| Length Value | - | 176.2 |
| Width Value | 88.0 | 85.8 |
| Operating Weight Value | 36220 lb (16429 kg) | 9700 lb (4400 kg) |
| Miscellaneous | ||
| Chassis | Crawler | 4x4 MFWD 4WD |
| Drive Type | Tracks | Four-wheel drive (4WD) |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | Category III/IVN | Category 2 |
| Hitch Category | - | II |
| Hitch Position | Rear | Rear |
| Hitch Capacity Value | 19000 lb (8618 kg) | - |
| Hydraulic System Type | Load sensing | - |
| Operator Station Type | Cab | - |
| Starter Type | Electric | Electric |
