This page provides a detailed comparison of the specifications for the Challenger 75D and the Challenger MT738.
| Challenger 75D | Challenger MT738 | |
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| Engine | ||
| Engine Manufacturer | Caterpillar | AGCO |
| Engine Model | 3176C ATAAC | Power |
| Engine Cooling Type | Liquid-cooled | liquid-cooled with two turbochargers, water-to-air intercooler, air-to-air intercooler, and D.E.F. technology |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged intercooled | Turbocharged intercooled |
| Engine Cylinders | 6 | 7 |
| Engine Displacement Value | 629 ci (10.3 L) | 599 ci (9.8 L) |
| Engine Rated Rpm | 2100 | 1701 |
| Engine Power Output Value | 330 hp (246.1 kW) | 325 hp (242.1 kW) |
| Transmission | ||
| Transmission Type | Full power shift | CVT, infinitely variable hydrostatic using variable-displacement pump and motors |
| Transmission Forward Gears | 10 | infinite |
| Transmission Reverse Gears | 2 | infinite |
| Dimensions | ||
| Length Value | 232 | - |
| Width Value | 120 | - |
| Operating Weight Value | 35720 lb (16202 kg) | 36050 lb (16352 kg) |
| Miscellaneous | ||
| Chassis | - | Tracklayer-rubber tracked |
| Drive Type | - | Track |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | - | III/IVN |
| Hitch Position | - | Rear |
| Hydraulic System Type | Closed-center pressure-compensated | Load sensing |
| Starter Type | Electric Starter | Electric |
