This page provides a detailed comparison of the specifications for the Challenger MT645D and the John Deere 9460RT.
| Challenger MT645D | John Deere 9460RT | |
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| Engine | ||
| Engine Manufacturer | Sisu Diesel | John Deere |
| Engine Model | - | PowerTech PSX |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | No. 2 Diesel | Diesel |
| Engine Induction Type | Turbocharged air-to-air intercooled | Turbocharged with two turbochargers and air-to-air aftercooler |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 514 ci (8.4 L) | 827 ci (13.5 L) |
| Engine Rated Rpm | 1950 | 2100 |
| Engine Power Output Value | 251 hp (187.0 kW) | 460 hp (343.0 kW) |
| Transmission | ||
| Transmission Type | CVT (combination of mechanical and hydrostatic sections) | Full power shift |
| Transmission Forward Gears | Infinite | 18 |
| Transmission Reverse Gears | Infinite | 6 |
| Dimensions | ||
| Length Value | 215.7 | 237 |
| Width Value | - | 136 |
| Operating Weight Value | 25365 lb (11505 kg) | 47020 lb (21328 kg) |
| Miscellaneous | ||
| Chassis | 4x4 | Track |
| Drive Type | 4WD | Track |
| Hitch Type | III | - |
| Hitch Category | III | Category 4N/4 |
| Hitch Position | Rear | Rear |
| Hydraulic System Type | Closed Center Load Sensing (CCLS) | Closed center pressure flow compensated |
| Operator Station Type | Cab | Cab |
| Starter Type | Electric | Electric |
