Power
Power specifications| Engine | 450 hp gross |
|---|
| PTO | 374 hp claimed |
|---|
| PTO, tested | 452.3 hp |
|---|
| Drawbar | 346.8 hp tested |
|---|
| Listed power | 450 hp engine basis |
|---|
Engines
Engines fitted to the Challenger MT855| Caterpillar 14.6L 6-cyl dieselDiesel · 6 cyl | 893 ci |
|---|
Engine details
- Caterpillar 14.6L 6-cyl diesel
- Bore × stroke
- 5.4 in × 6.5 in
- Rated speed
- 2,100 rpm
- Rated power
- 450 hp
- Compression
- 15.8:1
- Aspiration
- turbocharged diesel
- Cooling
- liquid-cooled inline
Transmissions
Transmissions for the Challenger MT855| Caterpillarfull power shift | 16F / 4R |
|---|
Weight
Weight specifications| Weight | 41,000 lb shipping |
|---|
| Shipping | 41,000 lb |
|---|
| Ballasted | 50,000 lb |
|---|
Dimensions
Dimensions specifications| Wheelbase | 118.1 in |
|---|
| Length | 265.9 in |
|---|
| Width | 142.1 in |
|---|
| Ground clearance | 18.7 in |
|---|
Capacities
Capacities specifications| Fuel tank | 305 gal |
|---|
| Hydraulic system | 70 gal |
|---|
Hydraulics
Hydraulics specifications| System | closed center load sensing |
|---|
| Pump flow | 43.5 gpm |
|---|
| Remote valve flow | 30 gpm |
|---|
| Pressure | 2,900 psi |
|---|
| Rear valves | 4 to 6 |
|---|
Hitch
Hitch specifications| Rear hitch category | IVN |
|---|
| Rear lift capacity | 19,500 lb |
|---|
PTO
PTO specifications| Rear PTO | independent |
|---|
| Rear PTO speeds | 1000 (1.75) |
|---|
Chassis
Chassis specifications| Drive | tracks |
|---|
| Steering | Power steering |
|---|
| Brakes | Hydraulic wet disc brakes |
|---|
| Cab | Cab standard with air-conditioning |
|---|
Tracks
Tracks specifications| Track width | 18 in |
|---|
Electrical
Electrical specifications| System voltage | 12 V |
|---|
| Batteries | 4 |
|---|
| Charging | alternator |
|---|
| Charging output | 160 A |
|---|
| Ground | negative |
|---|
Production
Production specifications| Factories | USA |
|---|
| Built by | Challenger (a part of AGCO) |
|---|