Challenger MT645B VS Massey Ferguson 231 specs comparison

Challenger MT645B 2005 comparison online with competitors

Challenger MT645B

General Infos
Make Challenger
Model MT645B
Country United states
Production From 2005  Until 2008
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual Challenger MT645B Manual

Dimensions, sizes and tires
AG front tires 380/85R34
AG rear tires 480/80R46
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 18,308 lbs or 8304 kg
Length 206 inches [523 cm]
Width 118 inches [299 cm]
Height 123.6 inches [313 cm]
Wheelbase 121.1 inches [307 cm]
Ground clearance 22.4 inches [56 cm]
Turning radius -
Rear tread size 60 to 88 inches
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 449 ci or 7.4 L
Cylinders 6 cylinders 24 valves
Engine power 235 hp or 175.2 kW
Engine RPM 2200 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 159 gal or 601.8 L
Oil capacity 20 qts or 18.9 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Challenger MT645B Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 12 V
Battries Amps -
Cold Amps 775
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 150 amps
Clutch and gearbox specs
Trans system TechStar
Trans type continuously variable transmission (CVT)
Trans gears infinite (2-range) forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive inboard planetary
Steering power
Braking system hydraulic wet disc
Cabin type Cab standard with heat and A/C
Differentiel lock electrohydraulic front and rear
Hydraulics specifications
System pressure flow compensated
Valves 4 to 6
Pump flow -
SVC flow -
Steering flow -
Tank capacity 26.4 gal or 99.9 L
Hydraulic pressure 2900 psi or 200.0 bar
Max flow 39 gpm or 147.6 lpm
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 172.30 hp or 128.5 kW
Fuel consumption 12.0 gal/hour or 45.4 l/hour
Pulling power 16,954 lbs or 7690 kg
Power take-off (PTO) specs
Claimed power 200 hp or 149.1 kW
Real power 221.55 hp or 165.2 kW
Engine @RPM 540@2037 (rpm)
PTO Clutch electro-hydraulic wet disc
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 12.0 gal/hour or 45.4 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III
Rear hitch lift 15,600 lbs or 7076 kg
Front hitch II
Front hitch lift 7,700 lbs or 3492 kg

Massey Ferguson 231 1989 comparison online with competitors

Massey Ferguson 231

General Infos
Make Massey Ferguson
Model 231
Country United states
Production From 1989  Until 1999
Price 13,000  USD
Tractor type Utility tractor
Fuel diesel
Service repair manual Massey Ferguson 231 Manual

Dimensions, sizes and tires
AG front tires 6.00-16
AG rear tires 13.6-28
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 4,065 lbs or 1843 kg
Length 128 inches [325 cm]
Width 76 inches [193 cm]
Height 87.5 inches [222 cm]
Wheelbase 76 inches [193 cm]
Ground clearance -
Turning radius 10.8 feet [3.3 m]
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 152 ci or 2.5 L
Cylinders 3 cylinders
Engine power 38 hp or 28.3 kW
Engine RPM 2000 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 15.3 gal or 57.9 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Massey Ferguson 231 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type sliding gear
Trans gears 8 forward and 2 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering power assist
Braking system drum
Cabin type Two-post folding ROPS
Differentiel lock -
Hydraulics specifications
System open
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity 9.2 gal or 34.8 L
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 34 hp or 25.4 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO live
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system position and draft control
Rear hitch II/I
Rear hitch lift -
Front hitch -
Front hitch lift -

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