General informations and Service Manual
Make
Challenger
Model
MT445B
Company country
United states
Production years
From 2004 Until 2013
Tractor type
Utility tractor
Fuel
diesel
Price
-
Total build
-
Service repair manual
Challenger MT445B Manual
Dimensions, weight and tires specs
AG front tires
10.00-16 (2WD)
AG rear tires
480/70R38
Weight
8,840 lbs or 4009 kg
Length
-
Width
-
Height
-
Wheelbase
97 inches [246 cm]
Ground clearance
-
Horsepower and engine specs
Engine size
268 ci or 4.4 L
Number of cylinders
4 cylinders
Horsepower
85 hp or 63.4 kW
Power RPM
2200 (rpm)
Engine torque
-
Engine torque RPM
-
Fuel type
diesel
Fuel tank capacity
40 gal or 151.4 L
Compression ratio
17.5:1
Bore stroke
4.134x5.00 inches or (105 x 127 mm)
Battery and electrical specs
Number of batteries
-
Battery voltage
12 V
Electric ground force
negative
Engine starter volts
12 V
Parts And Accessories
Challenger MT445B Parts
Clutch and transmission specs
Transmission system
Autopower IV
Transmission type
four speed power shift
Transmission gears
16 forward and reverse
Clutch system
wet disc
Mechanical and cab specs
Wheel drive
4x2 2WD
Final drive system
inboard planetary
Steering system
hydrostatic power
Braking system
hydraulic wet disc
Cabin type
ROPS
Differentiel lock
electro-hydraulic
Hydraulic specs
Number of valves
2 to 4
Pump flow rate
26.4 gpm or 99.9 lpm
Hydraulic pressure
2900 psi or 200.0 bar
Drawbar specs
Drawbar real power
60.5 hp or 45.1 kW
Drawbar fuel consumption
4.9 gal/hour or 18.5 l/hour
Max drawbar pull
8680 lbs or 3937 kg
Power take-off (PTO) specs
PTO claimed power
70 hp or 52.2 kW
PTO real power
73.4 hp or 54.7 kW
PTO clutch system
electro-hydraulic wet disc
Rear PTO system
independent
Rear PTO RPM
540 (rpm)
Front PTO system
-
PTO fuel consumption
4.8 gal/hour or 18.2 l/hour
3 point hitch specs
Hitch control system
electronic top-link draft control
Rear hitch
II
Rear hitch lift
7285 lbs or 3304 kg
Detailed review of Challenger MT445B
Challenger produced its MT445B farm tractor model From 2004 Until 2013 in United states with a ROPS cabin. Talking dimensions and weight, this model weighs 8,840 lbs or 4009 kg while maintaining a wheelbase of 97 inches [246 cm]. This tractor can fit ag tires of 10.00-16 (2WD) front and 10.00-16 (2WD) back . This Challenger MT445B is powerd by a diesel engine it has 268 ci or 4.4 L 4 cylinders ,it can produce 85 hp or 63.4 kW at 2200 (rpm), the fuel tank capacity is 40 gal or 151.4 L. This machine has 4x2 2WD wheel drive system,16 forward and reverse Autopower IV transmission system. - Challenger provided us with the latest version of its MT445B service repair manual - Find All mechanical and electrical parts and accessories of Challenger MT445B farm-tractor here