Challenger MT645B VS Zetor Forterra 9641 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

Zetor Forterra 9641 1999 comparison online with competitors

Zetor Forterra 9641

General Infos
Make Zetor
Model Forterra 9641
Country Czech republic
Production From 1999  Until 2007
Price -
Tractor type -
Fuel diesel
Service repair manual Zetor Forterra 9641 Manual

Dimensions, sizes and tires
AG front tires 14.9-24
AG rear tires 16.9-38
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 8708 lbs or 3949 kg
Length 172 inches [436 cm]
Width -
Height 106.7 inches [271 cm]
Wheelbase 93.7 inches [237 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 253.6 ci or 4.2 L
Cylinders 4 cylinders
Engine power 95 hp or 70.8 kW
Engine RPM 2200 (rpm)
Torque 275.1 lb-ft or 373.0 Nm
Torque RPM 1600 (rpm)
Fuel type diesel
Fuel injection -
Fuel tank size 47.6 gal or 180.2 L
Oil capacity -
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories Zetor Forterra 9641 Parts
Electrical and battery specs
Batteries number -
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 synchronized
Trans gears 24 forward and 18 reverse
Clutch system hydraulic dry disc
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering power
Braking system wet disc
Cabin type Cab standard with available air-conditioning
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow 15.85 gpm or 60.0 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift 10582 lbs or 4799 kg
Front hitch -
Front hitch lift -

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