Challenger MT645B

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3-Point Hitch
Rear type III
Control -
Rear lift 15,600 lbs [7076 kg]
Front hitch II*Optional
Front lift 7,700 lbs [3492 kg]
12,100 lbs [5488 kg] *Optional
Power Take-off (PTO):
Rear PTO independent
Clutch electro-hydraulic wet disc
Rear RPM 540 (1.375)
540/540E*Optional
1000 (1.375)
1000 (1.75)
Front PTO -
Engine RPM [email protected] [email protected] 1598 [email protected]
Capacity
Fuel 159 gal [601.8 L]
Dimensions & Tires
Wheelbase 121.1 inches [307 cm]
Weight 18308 to 19595 pounds
Front tire 380/85R34
Rear tire 480/80R46
Challenger MT645B Power:
Engine gross -
Engine max -
Mechanical
Chassis 4x4 MFWD 4WD
Differential lock electrohydraulic front and rear
Steering power
Brakes hydraulic wet disc
Trailer brakes hydraulic*Optional
Cab Cab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control.
Hydraulics
Type III
Rear valves -
Mid valves -
Pump flow powe
SCV flow -
Total flow 39 gpm [147.6 lpm]
Electrical
Ground negative
Charging system alternator
Charging amps 150
Charging volts -
Battery
Number 2
Cold-cranking amps 775
Volts 12
Engine Detail
Sisu 74ETA
turbocharged diesel
6-cylinder 24-valve
liquid-cooled vertical inline
449 ci [7.4 L]
Engine specifications
Bore/Stroke 4.251x5.278 inches [108 x 134 mm]
Emissions -
Emission control -
Rated Power -
Maximum Power -
Air cleaner dual paper elements
Pre-heating 1000W coolant heater (optional)
Compression -
Fuel system -
Rated RPM 2200
Operating RPM -
Torque -
Torque RPM -
Starter -
Starter volts 12
Oil capacity 20 qts [18.9 L]
Oil change -
Coolant capacity 35.6 qts [33.7 L]
TechStar
Type continuously variable transmission (CVT)
Gears infinite (2-range) forward and reverse
Clutch -
Speeds  
Challenger MT645B Tires
Ag front 380/85R34
Ag rear 480/80R46
Standard tires (ag) -
Dimensions
Weight (operating) 19,595 lbs [8888 kg]
Weight (max capacity) -
Front axle load 10861 lbs [4926 kg]
Rear axle load 17044 lbs [7731 kg]
Wheelbase 121.1 inches [307 cm]
Length 206 inches [523 cm]
With hitch Length: -
Width 118 inches [299 cm]
Height (hood) -
Height (cab) 123.6 inches [313 cm]
Front axle -
Rear axle Bar: 4.33 by 118 inches [109x2997 mm]
Height (exhaust) -
Clearance (front axle) -
Clearance (rear axle) -
Clearance (drawbar) -
Test name
Test Date April 12 - 20, 2006
Test Type Diesel CVT 4WD
PTO power (max) 222.9 hp [166.2 kW]
PTO fuel use (max) 11.8 gal/hour [44.7 l/hour]
PTO power (rated engine speed) 204.79 hp [152.7 kW]
PTO fuel use (engine speed) 12.1 gal/hour [45.8 l/hour]
PTO fuel use (PTO speed) 12.0 gal/hour [45.4 l/hour]
Drawbar power (max) 172.30 hp [128.5 kW]
Drawbar fuel use (max) 12.0 gal/hour [45.4 l/hour]
Drawbar pull (max) 16,954 lbs [7690 kg]
Max pull gear 10 KPH