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Years in Production / 2007–2009
Challenger
MT945B
Explore the specifications, hardware, and original references for the Challenger MT945B.

430hp
Source index power
4x4 Only
Drive
2007–2009
Production years
Challenger
Manufacturer
MT945B / 01
At a glance
Overview
2007 - 2009
900B Series
Four-wheel Drive (4WD) tractor
Production
Four-wheel Drive (4WD) tractor
Built in Jackson, Minnesota, USA
- Manufacturer
- Challenger (a part of AGCO)
Mechanical
Four-wheel drive
Articulated power steering
Wet disc brakes
Cab standard with air-conditioning.
- Final Drives
- inboard planetary
- Differential Lock
- electro-hydraulic front and rear optional
Hydraulics
- Type
- closed center PFC
- Pressure
- 2900 psi200.0 bar
- Rear Valves
- 4 to 6
- Total Flow
- 43.5 gpm164.6 lpm
- Total Flow
- 59 gpmOptOptional223.3 lpm
Hitch
- Rear Type
- IVN/III OptOptional
- Rear Type
- IV OptOptional
- Rear Lift
- 19500 lbs8845 kg
Pto
- Rear Pto
- independent OptOptional
- Rear Type
- 1000 (1.75)
- Engine Rpm
- 1000@2000
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 185
- Batteries
- 4
- Battery Cca
- 1000
- Battery Volts
- 12
MT945B / 02
Under the hood
Engine Detail
Caterpillar C15
turbocharged aftercooled diesel
6-cylinder 24-valve
liquid-cooled inline
- Displacement
- 923 ci15.1 L
- Bore Stroke
- 5.402x6.748 inches137 x 171 mm
- Emissions
- Tier III
- Power
- 430 hp320.7 kW
- Air Cleaner
- dual dry element
- Compression Ratio
- 18:1
- Rated Rpm
- 2100
- Cylinders
- 6
- Cooling
- liquid-cooled inline
Engine Options
Caterpillar 15.1L 6-cyl diesel
- Fuel Tank
- 390 gal1476.2 L
MT945B / 03
Gears & controls
Transmission
- Transmission Type
- full power shift
- Gears
- 16 forward and 4 reverse
- Clutch
- hydraulic wet discs
Challenger Mt945b Transmission
16-speed full power shift
MT945B / 04
Size. Stance. Footprint.
Dimensions
- Length
- 298 in756 cm
- Width
- 200 in508 cm
- Height (cab)
- 151 in383 cm
- Wheelbase
- 155.5 in394 cm
- Ground clearance
- 17.5 in44 cm
Dimensions And Tires
- Wheelbase
- 155.5 inches394 cm
- Weight
- 39266 lbs17811 kg
- Front Tire
- 710/70R42
- Rear Tire
- 710/70R42
Tires And Tracks
- Front Ag
- 710/70R42
- Rear Ag
- 710/70R42
MT945B / 05
Tests (NTTL)
Oced Tractor Test1928
Diesel power shift 4WDMay 27 - June 6, 2008Link: OCED Tractor Test 1928 file
PTO performance
Drawbar performance
Gear 8 used for power test.
Gear 2 used for pull test.
- Max Power
- 416.25 hp310.4 kW
- Max Power
- 372.72 hp277.9 kW
- Fuel Use
- 23.9 gal/hour90.5 l/hour
- Fuel Use
- 23.0 gal/hour87.1 l/hour
- Fuel Use
- 23.5 gal/hour88.9 l/hour
- Fuel Use
- 24.6 gal/hour93.1 l/hour
- Power At Rated Engine Speed
- 363.35 hp271.0 kW
- Power At Rated Pto Speed
- 383.04 hp285.6 kW
- Max Pull
- 49755 lbs22568 kg