Challenger
Challenger MT845
The Challenger MT845 is an agricultural crawler tractor produced from 2002 to 2004 as part of the MT800 Series by Challenger, a part of AGCO. It features a Caterpillar C12 11.9L 6-cylinder turbocharged diesel engine delivering 380 hp gross power. The tractor has a 16-speed full power shift transmission, crawler drive, and standard cab with air-conditioning. It offers a fuel capacity of 305 gallons with an optional 330 gallons, and a hydraulic system capacity of 70 gallons. The MT845 has a wheelbase of 118.1 inches, length of 265.9 inches, and weighs 40,000 lbs shipping weight. It is equipped with 18 to 36 inch wide tracks and has a rear hitch lift capacity of 19,500 lbs. Electrical system includes a 160 amp alternator and three 12-volt batteries. The tractor was built in the USA and is related to the MT835 and MT855 models.
Power380 hp
Founded2002 - 2004
ModelMT845
Technical Specifications
Detailed specifications and technical data for Challenger MT845
Power
| PTO (tested) | 393.14 hp (293.2 kW) |
|---|---|
| PTO (claimed) | 313 hp (233.4 kW) |
| Engine (gross) | 380 hp (283.4 kW) |
| Drawbar (tested) | 297.93 hp (222.2 kW) |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Caterpillar C12 |
| Cooling | liquid-cooled inline |
| Cylinders | 6-cylinder |
| Rated RPM | 2100 |
| Air cleaner | dual paper elements |
| Bore/Stroke | 5.118x5.906 inches (130 x 150 mm) |
| Compression | 16.0:1 |
| Displacement | 729 ci (11.9 L) |
| Power (gross) | 380 hp (283.4 kW) |
| Starter volts | 12 |
Tracks
| Widths | 18 inches (45 cm), 27.5 inches (69 cm), 30 inches (76 cm), 36 inches (91 cm) |
|---|
Weight
| Shipping | 40000 lbs (18144 kg) |
|---|---|
| Ballasted | 50000 lbs (22680 kg) |
| Max capacity | 60000 lbs (27216 kg) |
Capacity
| Fuel | 305 gal (1154.4 L) |
|---|---|
| Fuel Optional | 330 gal (1249.0 L) |
| Hydraulic system | 70 gal (264.9 L) |
Dimensions
| Gauge | 90 to 128 inches (228 to 325 cm) |
|---|---|
| Width | 142.1 inches (360 cm) |
| Length | 265.9 inches (675 cm) |
| Wheelbase | 118.1 inches (299 cm) |
| Height (cab) | 138.1 inches (350 cm) |
| Ground clearance | 18.7 inches (47 cm) |
| Height (exhaust) | 138.7 inches (352 cm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 3 |
| Battery volts | 12 |
| Charging amps | 160 |
| Charging system | alternator |
Hydraulics
| Type | closed center load sensing |
|---|---|
| Capacity | 70 gal (264.9 L) |
| Pressure | 2900 psi (200.0 bar) |
| SCV flow | 30 gpm (113.6 lpm) |
| Pump flow | 43.5 gpm (164.6 lpm) |
| Rear valves | 4 to 6 |
| Pump flow Optional | 59 gpm (223.3 lpm) |
Mechanical
| Cab | standard with air-conditioning |
|---|---|
| Drive | crawler |
| Brakes | Hydraulic wet disc brakes |
| Power steering | yes |
Production
| Type | Agricultural Crawler tractor |
|---|---|
| Series | MT800 Series |
| Built in | USA |
| Years produced | 2002 - 2004 |
Transmission
| Type | full power shift |
|---|---|
| Gears | 16 forward and 4 reverse |
| Clutch | hydraulic wet disc |
| Manufacturer | Caterpillar |
Tractor hitch
| Rear Type | IVN |
|---|---|
| Rear lift | 19500 lbs (8845 kg) |
Serial Numbers
| 2002 | BPP20000 |
|---|---|
| 2003 | BPP30000 |
| 2004 | BPP40000 |
| Location | Serial number plate on the left side of the tractor frame. |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 (1.75) |