Challenger MT975B Specs ( 2007-2009 )
Overview
The Challenger MT975B is a 4WD farm tractor manufactured in Jackson, Minnesota, between 2007 and 2009. It is equipped with an 18.1L Caterpillar C18 six-cylinder diesel engine and a 16-speed full power shift transmission, providing 16 forward and 4 reverse gears. The tractor features an articulated chassis with a 155.5-inch wheelbase and is rated for a maximum operating weight of 60,000 lbs.
Ideal Applications
Engine and PTO Performance:
The Caterpillar 18.1L engine is rated at 570 hp and produced a tested maximum PTO output of 584.72 hp at a fuel consumption rate of 33.5 gallons per hour.
OCED Tested Drawbar Pull:
During official OCED Test 1931, the tractor achieved a maximum pull of 46,088 lbs and a tested drawbar power of 523.03 hp using gear 5 for the pull test.
Hydraulic and Hitch Capacity:
The system features a closed center PFC hydraulic configuration with a total flow of 43.5 gpm and a rear lift capacity rated at 19,500 lbs.
Production
| Description | Built in Jackson, Minnesota, USA |
|---|---|
| Drive type | Four-wheel Drive (4WD) tractor |
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Engine type | Caterpillar 18.1L 6-cyl diesel |
|---|---|
| Fuel tank | 390 gal (1476.2 L) |
| Air cleaner | dual dry element |
| Bore/Stroke | 5.709x7.205 inches (145 x 183 mm) |
| Compression | 16.3:1 |
| Description | Caterpillar C18 / turbocharged aftercooled diesel / 6-cylinder 24-valve / liquid-cooled inline |
| Displacement | 1106 ci (18.1 L) |
| Emissions | Tier III |
| Power | 570 hp (425.0 kW) |
| Rated RPM | 2100 |
| Drawbar (tested) | 523.03 hp (390.0 kW) |
| PTO (claimed) | 425 hp (316.9 kW) |
| PTO (tested) | 584.72 hp (436.0 kW) |
Transmission
| Clutch | hydraulic wet discs |
|---|---|
| Gears | 16 forward and 4 reverse |
| Transmission type | 16-speed full power shift |
| Type | full power shift |
Mechanical
| Cab | Cab standard with air-conditioning. |
|---|---|
| Description | Articulated power steering / Wet disc brakes |
| Differential lock | electro-hydraulic front and rear optional |
| Drive type | Four-wheel drive |
| Final drives | inboard planetary |
Hydraulics
| Pressure | 2900 psi (200.0 bar) |
|---|---|
| Rear valves | 4 to 6 |
| Total flow | 43.5 gpm (164.6 lpm) |
| Type | closed center PFC |
Hitch
| Rear lift | 19500 lbs (8845 kg) |
|---|---|
| Rear Type | IVN/III OptOptional |
PTO
| Engine RPM | 1000@2000 |
|---|---|
| Rear PTO | independent OptOptional |
| Rear PTO Type | 1000 (1.75) |
Electrical
| Batteries | 4 |
|---|---|
| Battery CCA | 1000 |
| Battery volts | 12 |
| Charging amps | 185 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ag front | 800/70R38 |
|---|---|
| Ag rear | 800/70R38 |
| Front axle | 5.71 inch diameter (145 mm) |
| Ground clearance | 17.5 inches (44 cm) |
| Height (cab) | 151 inches (383 cm) |
| Length | 298 inches (756 cm) |
| Max weight | 60000 lbs (27216 kg) |
| Rear axle | 5.71 inch diameter (145 mm) |
| Shipping weight | 39767 lbs (18038 kg) |
| Wheelbase | 155.5 inches (394 cm) |
| Width | 200 inches (508 cm) |
| Front tire | 800/70R38 |
| Rear tire | 800/70R38 |
| Weight | 39767 lbs (18038 kg) |
| Wheelbase | 155.5 inches (394 cm) |
OCED Tractor Test 1931
| Description | Diesel power shift 4WDJune 6 - 20, 2008Link: OCED Tractor Test 1931 file / PTO performance / Drawbar performance / Gear 10 used for power test. / Gear 5 used for pull test. |
|---|---|
| Fuel use | 32.9 gal/hour (124.5 l/hour) / 32.8 gal/hour (124.1 l/hour) / 33.8 gal/hour (127.9 l/hour) / 33.5 gal/hour (126.8 l/hour) |
| Max power | 584.72 hp (436.0 kW) / 523.03 hp (390.0 kW) |
| Max pull | 46088 lbs (20905 kg) |
| Power at rated engine speed | 518.16 hp (386.4 kW) |
| Power at rated PTO speed | 552.37 hp (411.9 kW) |
References
| Description | Challenger MT900B Series published in 2006, by AGCO / Challenger MT900B Series published in 2007, by AGCO |
|---|