Challenger MT645C

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3-Point Hitch
Rear type III, IV
Control -
Rear lift 26,460 lbs [12002 kg]
Front hitch III
Front lift 11,020 lbs [4998 kg]
Power Take-off (PTO):
Rear PTO independent electro-hydaulic
Clutch -
Rear RPM 540E/1000
1000E/1000
Front PTO optional
Engine RPM -
Capacity
Fuel 155.9 gal [590.1 L]
Dimensions & Tires
Wheelbase 122.2 inches [310 cm]
Weight 24250 to 25795 pounds
Front tire 480/70R34
Rear tire 520/85R46
Challenger MT645C Power:
Engine gross 240 hp [179.0 kW]
Engine max -
Mechanical
Chassis 4x4 MFWD 4WD
Differential lock -
Steering hydrostatic power
Brakes hydraulic wet disc
Trailer brakes -
Cab Cab standard with heat and air-conditioning. Optional heated seat, power adjustable mirrors, and automatic temperature control.
Hydraulics
Type III, IV
Rear valves -
Mid valves -
Pump flow hydrostatic powe
SCV flow -
Total flow 46.2 gpm [174.9 lpm]
Electrical
Ground negative
Charging system alternator
Charging amps 240
Charging volts -
Battery
Number -
Cold-cranking amps -
Volts 12
Engine Detail
The engine uses AGCO's e3 selective catalytic reduction (SCR) system to reduce nitrogen oxides (NOx). An exhaust-gas recirculation (IEGR) version of the engine was optionally available.
AGCO SISU POWER 84CTA
turbocharged intercooled diesel
6-cylinder
liquid-cooled
512.6 ci [8.4 L]
Engine specifications
Bore/Stroke 4.37x5.71 inches [111 x 145 mm]
Emissions Interim Tier 4
Emission control selective catalytic reduction (SCR)
Rated Power -
Maximum Power 270 hp [201.3 kW]
Air cleaner -
Pre-heating -
Compression -
Fuel system electronic high-pressure common rail
Rated RPM 2200
Operating RPM -
Torque 874 lb-ft [1185.1 Nm]
Torque RPM 1500
Starter electric
Starter volts 12
Oil capacity -
Oil change -
Coolant capacity -
Techstar CVT
Type continuously variable transmission
Gears infinite forward and reverse
Clutch -
Speeds  
Challenger MT645C Tires
Ag front 480/70R34
Ag rear 520/85R46
Standard tires (ag) -
Dimensions
Weight (operating) 25,795 lbs [11700 kg]
Weight (max capacity) 38,890 lbs [17640 kg]
Front axle load -
Rear axle load -
Wheelbase 122.2 inches [310 cm]
Length 223.2 inches [566 cm]
With hitch Length: -
Width -
Height (hood) -
Height (cab) 133.1 inches [338 cm]
Front axle -
Rear axle -
Height (exhaust) -
Clearance (front axle) -
Clearance (rear axle) -
Clearance (drawbar) -
Test name
Test Date October 2008 - November 2009,
Test Type SCR diesel Techstar CVT 4WD
PTO power (max) 242.3 hp [180.7 kW]
PTO fuel use (max) 12.1 gal/hour [45.8 l/hour]
PTO power (rated engine speed) 212.7 hp [158.6 kW]
PTO fuel use (engine speed) 11.6 gal/hour [43.9 l/hour]
PTO fuel use (PTO speed) 12.1 gal/hour [45.8 l/hour]
Drawbar power (max) 180.1 hp [134.3 kW]
Drawbar fuel use (max) 11.6 gal/hour [43.9 l/hour]
Drawbar pull (max) 26,505 lbs [12022 kg]
Max pull gear 3.9 KPH
Test name
Test Date October 2009 - March 2010,
Test Type IEGR diesel Techstar CVT 4WD
PTO power (max) 250.0 hp [186.4 kW]
PTO fuel use (max) 14.0 gal/hour [53.0 l/hour]
PTO power (rated engine speed) 216.2 hp [161.2 kW]
PTO fuel use (engine speed) 13.5 gal/hour [51.1 l/hour]
PTO fuel use (PTO speed) 13.8 gal/hour [52.2 l/hour]
Drawbar power (max) 175.1 hp [130.6 kW]
Drawbar fuel use (max) 13.5 gal/hour [51.1 l/hour]
Drawbar pull (max) 26770 lbs [12142 kg]
Max pull gear 4.02 KPH