Challenger
Challenger MT945B
The Challenger MT945B is a four-wheel drive (4WD) tractor produced from 2007 to 2009 as part of the 900B Series. Built in Jackson, Minnesota, USA, it features a powerful Caterpillar C15 turbocharged aftercooled diesel engine with 430 hp (320.7 kW) output. The tractor includes a 16-speed full power shift transmission, advanced hydraulics, and optional features such as electro-hydraulic differential locks and independent rear PTO. It is designed for heavy-duty farm work with a robust mechanical setup, comfortable cab with air-conditioning, and large tires for traction.
Power430 hp
Founded2007 - 2009
ModelMT945B
Technical Specifications
Detailed specifications and technical data for Challenger MT945B
Power
| Engine power | 430 hp (320.7 kW) |
|---|---|
| PTO (tested) | 416.25 hp (310.4 kW) |
| PTO (claimed) | 360 hp (268.5 kW) |
| Drawbar (tested) | 372.72 hp (277.9 kW) |
Tires
| Rear tire | 710/70R42 |
|---|---|
| Front tire | 710/70R42 |
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Caterpillar C15 |
| Power | 430 hp (320.7 kW) |
| Cooling | liquid-cooled inline |
| Cylinders | 6-cylinder 24-valve |
| Emissions | Tier III |
| Fuel tank | 390 gal (1476.2 L) |
| Rated RPM | 2100 |
| Air cleaner | dual dry element |
| Bore/Stroke | 5.402x6.748 inches (137 x 171 mm) |
| Displacement | 923 ci (15.1 L) |
| Compression ratio | 18:1 |
Dimensions
| Width | 200 inches (508 cm) |
|---|---|
| Length | 298 inches (756 cm) |
| Wheelbase | 155.5 inches (394 cm) |
| Max weight | 50000 lbs (22680 kg) |
| Height (cab) | 151 inches (383 cm) |
| Shipping weight | 39266 lbs (17811 kg) |
| Ground clearance | 17.5 inches (44 cm) |
| Rear axle diameter | 5.71 inch diameter (145 mm) |
| Front axle diameter | 5.71 inch diameter (145 mm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 4 |
| Battery CCA | 1000 |
| Battery volts | 12 |
| Charging amps | 185 |
| Charging system | alternator |
Hydraulics
| Type | closed center PFC |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| Total flow | 43.5 gpm (164.6 lpm) |
| Rear valves | 4 to 6 |
| Optional flow | 59 gpm (223.3 lpm) |
Mechanical
| Cab | standard with air-conditioning |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Wet disc brakes |
| Steering | Articulated power steering |
| Final drives | inboard planetary |
| Differential lock | electro-hydraulic front and rear optional |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Series | 900B Series |
| Built in | Jackson, Minnesota, USA |
| Years produced | 2007 - 2009 |
Transmission
| Type | full power shift |
|---|---|
| Gears | 16 forward and 4 reverse |
| Clutch | hydraulic wet discs |
Tractor hitch
| Rear Type | IVN/III (Optional), IV (Optional) |
|---|---|
| Rear lift capacity | 19500 lbs (8845 kg) |
Power Take-off (PTO)
| Rear PTO | independent (Optional) |
|---|---|
| Engine RPM | 1000@2000 |
| Rear PTO Type | 1000 (1.75) |