This page provides a detailed comparison of the specifications for the Challenger MT745B and the John Deere 8520T.
| Challenger MT745B | John Deere 8520T | |
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| Engine | ||
| Engine Manufacturer | Caterpillar | John Deere |
| Engine Model | C9 ACERT Tech Tier 3 | - |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Turbocharged and Air-to-Air Aftercooled | Turbocharged |
| Engine Cylinders | 6 | 6 |
| Engine Displacement Value | 537 ci (8.8 L) | 496 ci (8.1 L) |
| Engine Rated Rpm | 2100 | 2179 |
| Engine Power Output Value | 269 hp (200.6 kW) | 256 hp (190.9 kW) |
| Transmission | ||
| Transmission Type | Full power shift | Full power shift |
| Transmission Forward Gears | 16 | 16 |
| Transmission Reverse Gears | 4 | 4 |
| Dimensions | ||
| Length Value | 233 | 207 |
| Width Value | 133 | 119.5 |
| Operating Weight Value | 31075 lb (14095 kg) | 27280 lb (12374 kg) |
| Miscellaneous | ||
| Chassis | - | Crawler |
| Drive Type | - | Track |
| Hitch Type | Standard Cat.3/3N | - |
| Hitch Category | IIIN/III | III/IIIN |
| Hitch Position | - | Rear |
| Hitch Capacity Value | 16000 lb (7257 kg) | 16520 lb (7493 kg) |
| Hydraulic System Type | Closed-center PFC | Closed center pressure-flow compensated (PFC) |
| Operator Station Type | - | Cab |
| Starter Type | Electric | Electric |
