Challenger MT845 Specs ( 2002-2004 )
Overview
The Challenger MT845 is an agricultural crawler tractor produced in the USA between 2002 and 2004, featuring a 11.9L Caterpillar C12 turbocharged diesel engine. This model is equipped with a 16-speed full power shift transmission, a Category IVN rear hitch with a 19,500-pound lift capacity, and a closed center load sensing hydraulic system.
Ideal Applications
Tested Power Output:
According to OECD Tractor Test 1824, the unit achieved a maximum PTO power of 393.14 hp and a maximum drawbar pull of 38,250 lbs using gear 3.
Machine Configuration and Weight:
This crawler tractor features a 118.1-inch wheelbase and is listed with a shipping weight of 40,000 lbs, which can be increased to a ballasted weight of 50,000 lbs.
Fluid and Electrical Capacities:
The vehicle is designed with a 305-gallon fuel tank and a 12-volt electrical system powered by three batteries and a 160-amp alternator.
Production
| Description | Agricultural Crawler tractor / Built in USA |
|---|---|
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Engine type | Caterpillar 11.9L 6-cyl diesel |
|---|---|
| Air cleaner | dual paper elements |
| Bore/Stroke | 5.118x5.906 inches (130 x 150 mm) |
| Compression | 16.0:1 |
| Description | Caterpillar C12 / turbocharged diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 729 ci (11.9 L) |
| Power (gross) | 380 hp (283.4 kW) |
| Rated RPM | 2100 |
| Starter volts | 12 |
| Drawbar (tested) | 297.93 hp (222.2 kW) |
| Engine (gross) | 380 hp (283.4 kW) |
| PTO (claimed) | 313 hp (233.4 kW) |
| PTO (tested) | 393.14 hp (293.2 kW) |
Transmission
| Clutch | hydraulic wet disc |
|---|---|
| Gears | 16 forward and 4 reverse |
| Transmission | Caterpillar |
| Transmission type | 16-speed full power shift |
| Type | full power shift |
Mechanical
| Cab | Cab standard with air-conditioning. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Drive | crawler |
Capacity
| Fuel | 305 gal (1154.4 L) |
|---|---|
| Hydraulic system | 70 gal (264.9 L) |
Hydraulics
| Capacity | 70 gal (264.9 L) |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| Pump flow | 43.5 gpm (164.6 lpm) |
| Rear valves | 4 to 6 |
| SCV flow | 30 gpm (113.6 lpm) |
| Type | closed center load sensing |
Hitch
| Rear lift | 19500 lbs (8845 kg) |
|---|---|
| Rear Type | IVN |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 (1.75) |
Electrical
| Batteries | 3 |
|---|---|
| Battery volts | 12 |
| Charging amps | 160 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Gauge | 90 to 128 inches (228 to 325 cm) |
|---|---|
| Ground clearance | 18.7 inches (47 cm) |
| Height (cab) | 138.1 inches (350 cm) |
| Height (exhaust) | 138.7 inches (352 cm) |
| Length | 265.9 inches (675 cm) |
| Wheelbase | 118.1 inches (299 cm) |
| Width | 142.1 inches (360 cm) |
Challenger MT845 Tracks
| Width | 18 inches (45 cm) / 27.5 inches (69 cm) / 30 inches (76 cm) / 36 inches (91 cm) |
|---|
Challenger MT845 Weight
| Ballasted | 50000 lbs (22680 kg) |
|---|---|
| Max capacity | 60000 lbs (27216 kg) |
| Shipping | 40000 lbs (18144 kg) |
Dimensions & Tracks
| Description | 18-inch tracks |
|---|---|
| Weight | 40000 lbs (18144 kg) |
| Wheelbase | 118.1 inches (299 cm) |
MT845 Serial Numbers
| 2002 | BPP20000 |
|---|---|
| 2003 | BPP30000 |
| 2004 | BPP40000 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate on the left side of the tractor frame. |
OCED Tractor Test 1824
| Description | Diesel 16-speed crawkerApril 23 - May 13, 2003Link: OCED Tractor Test 1824 file / PTO performance / Drawbar performance / Gear 6 used for power test. / Gear 3 used for pull test. |
|---|---|
| Fuel use | 20.1 gal/hour (76.1 l/hour) / 18.6 gal/hour (70.4 l/hour) / 19.4 gal/hour (73.4 l/hour) / 19.0 gal/hour (71.9 l/hour) |
| Max power | 393.14 hp (293.2 kW) / 297.93 hp (222.2 kW) |
| Max pull | 38250 lbs (17350 kg) |
| Power at rated engine speed | 337.75 hp (251.9 kW) |
| Power at rated PTO speed | 365.34 hp (272.4 kW) |
References
| Description | MT800 Series published in 2002, by AGCO |
|---|