Wikitractor

Challenger MT645B

Production ended · 4WD

PTO power · claimed

200 hp

Weight
19,595 lb
Engines
1 Diesel
Built
no record
Price new
no record

Power

Engine235 hp unspecified
PTO200 hp claimed
PTO, tested222.9 hp
Drawbar172.3 hp tested
Listed power235 hp engine basis

Engines

Sisu 7.4L 6-cyl dieselDiesel · 6 cyl449 ci
Engine details
Sisu 7.4L 6-cyl diesel
Bore × stroke
4.25 in × 5.28 in
Rated speed
2,200 rpm
Rated power
235 hp
Compression
17.5:1
Aspiration
turbocharged diesel
Cooling
liquid-cooled vertical inline
Notes
6-cylinder 24-valve

Transmissions

TechStarcontinuously variable transmission (CVT)infinite forward and reverse (2-range)

Weight

Weight19,595 lb operating
Shipping18,308 lb

Dimensions

Wheelbase121.1 in
Length206 in
Width118 in
Ground clearance22.4 in
Rear tread, narrowest60 in
Rear tread, widest88 in

Capacities

Fuel tank159 gal
Hydraulic system26.4 gal

Hydraulics

Systempressure flow compensated (PFC)
Pump flowno record
Total flow39 gpm
Pressure2,900 psi
Remote valves4 to 6

Hitch

Rear hitch categoryIII
Rear lift capacityno record
Rear lift at 24 in (610 mm)15,600 lb
Front hitch categoryII
Front lift capacity7,700 lb

PTO

Rear PTOindependent
Rear PTO speeds540 (1.375)
Clutchelectro-hydraulic wet disc
Engine rpm at PTO speed540@2037

Chassis

Drive4WD
SteeringPower steering
BrakesHydraulic wet disc brakes
Differential lockelectrohydraulic front and rear
Final drivesinboard planetary
CabCab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control

Tires

Front380/85R34
Rear480/80R46

Electrical

System voltage12 V
Batteries2
Cold cranking775 CCA
Chargingalternator
Charging output150 A
Groundnegative

Production

FactoriesBeauvais, France
Built byChallenger (a part of AGCO)

Literature

  • Challenger MT600B Seires AGCO, 2005
  • Challenger MT600B Product Information Guide AGCO, 2005
  • Challenger Specialty Wheel Tractors 2007