Power
Power specifications| Engine | 380 hp gross |
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| PTO | 313 hp claimed |
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| PTO, tested | 393.1 hp |
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| Drawbar | 297.9 hp tested |
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| Listed power | 380 hp engine basis |
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Engines
Engines fitted to the Challenger MT845| Caterpillar 11.9L 6-cyl dieselDiesel · 6 cyl | 729 ci |
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Engine details
- Caterpillar 11.9L 6-cyl diesel
- Bore × stroke
- 5.12 in × 5.91 in
- Rated speed
- 2,100 rpm
- Rated power
- 380 hp
- Compression
- 16.0:1
- Aspiration
- turbocharged diesel
- Cooling
- liquid-cooled inline
Transmissions
Transmissions for the Challenger MT845| Caterpillarfull power shift | 16F / 4R |
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Weight
Weight specifications| Weight | 40,000 lb shipping |
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| Shipping | 40,000 lb |
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| Ballasted | 50,000 lb |
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Dimensions
Dimensions specifications| Wheelbase | 118.1 in |
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| Length | 265.9 in |
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| Width | 142.1 in |
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| Ground clearance | 18.7 in |
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Capacities
Capacities specifications| Fuel tank | 305 gal |
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| Hydraulic system | 70 gal |
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Hydraulics
Hydraulics specifications| System | closed center load sensing |
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| Pump flow | 43.5 gpm |
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| Remote valve flow | 30 gpm |
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| Pressure | 2,900 psi |
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| Rear valves | 4 to 6 |
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Hitch
Hitch specifications| Rear hitch category | IVN |
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| Rear lift capacity | 19,500 lb |
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PTO
PTO specifications| Rear PTO | independent |
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| Rear PTO speeds | 1000 (1.75) |
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Chassis
Chassis specifications| Drive | tracks |
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| Steering | Power steering |
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| Brakes | Hydraulic wet disc brakes |
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| Cab | Cab standard with air-conditioning |
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Tracks
Tracks specifications| Track width | 18 in |
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Electrical
Electrical specifications| System voltage | 12 V |
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| Batteries | 3 |
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| Charging | alternator |
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| Charging output | 160 A |
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| Ground | negative |
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Production
Production specifications| Factories | USA |
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| Built by | Challenger (a part of AGCO) |
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