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Years in Production / 2004–2013
Challenger
MT445B
Explore the specifications, hardware, and original references for the Challenger MT445B.
85hp
Source index power
MFWD Optional
Drive
2004–2013
Production years
Challenger
Manufacturer
MT445B / 01
At a glance
Overview
2004 - 2013
Model year 2004-20072008-2013
MT400B Series
Utility tractor
Production
Utility tractor
Built in Beauvais, France
The Challenger MT445B is similar to the Massey Ferguson 5445.
- Manufacturer
- Challenger (a part of AGCO)
Mechanical
Two- or four-wheel drive
Hydraulic wet disc brakes
ROPS. Cab optional with air-conditioning.
- Final Drives
- inboard planetary
- Differential Lock
- electro-hydraulic
- Steering
- hydrostatic power
Hydraulics
- Rops Type
- open center
- Cab Type
- closed center load sensing
- Pressure
- 2900 psi200.0 bar
- Valves
- 2 to 4
- Pump Flow
- 26.4 gpm (open center)99.9 lpm
- Pump Flow
- 29 gpm (CCLS)109.8 lpm
Hitch
- Rear Type
- II
- Control
- electronic top-link draft control
- Rear Lift At24610mm
- 7285 lbs3304 kg
- Rear Arms
- telescopic stabilizers and link ends
Pto
- Rear Pto
- independent
- Clutch
- electro-hydraulic wet disc
- Rear Type
- 540/1000
- Rear Type
- 540/540E/1000/1000E
Electrical
- Ground
- negative
- Battery Volts
- 12
MT445B / 02
Under the hood
Engine Detail
Caterpillar 3054T
turbocharged diesel
4-cylinder
liquid-cooled vertical
This engine was alternative branded as a Perkins 1104C depending on market.
- Displacement
- 268 ci4.4 L
- Bore Stroke
- 4.134x5.00 inches105 x 127 mm
- Emissions
- Tier 2
- Power
- 85 hp63.4 kW
- Air Cleaner
- dual paper elements
- Compression Ratio
- 17.5:1
- Rated Rpm
- 2200
- Starter Volts
- 12
- Cylinders
- 4
- Cooling
- liquid-cooled vertical
Engine Options
Caterpillar 4.4L 4-cyl diesel
- Fuel Tank
- 40 gal151.4 L
MT445B / 03
Gears & controls
Transmission
Four power shift gears in four ranges.
- Transmission
- Autopower IV
- Transmission Type
- four speed power shift
- Gears
- 16 forward and reverse
- Clutch
- wet disc
Challenger Mt445b Transmission
16-speed four speed power shift
MT445B / 04
Size. Stance. Footprint.
Dimensions And Tires
- Wheelbase
- 97 inches246 cm
- Weight
- 8840 to 9445 pounds
- Front Tire
- 10.00-16
- Rear Tire
- 480/70R38
Tires And Tracks
- Front Ag
- 10.00-162WD
- Front Ag
- 13.6R284WD
- Rear Ag
- 480/70R38
MT445B / 05
Tests (NTTL)
Oced Tractor Test2291
Diesel 16-speed 4WDSeptember 2004 - 2004, Link: OCED Tractor Test 2291 file
PTO performance
Drawbar performance
Gear 1LC used for power test.
Gear 2TC used for pull test.
- Max Power
- 75.9 hp56.6 kW
- Max Power
- 60.5 hp45.1 kW
- Fuel Use
- 4.7 gal/hour17.8 l/hour
- Fuel Use
- 5.0 gal/hour18.9 l/hour
- Fuel Use
- 4.8 gal/hour18.2 l/hour
- Fuel Use
- 4.9 gal/hour18.5 l/hour
- Power At Rated Engine Speed
- 70.7 hp52.7 kW
- Power At Rated Pto Speed
- 73.4 hp54.7 kW
- Max Pull
- 8680 lbs3937 kg