Challenger MT645B VS Valtra A85 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

Valtra A85 2002 comparison online with competitors

Valtra A85

General Infos
Make Valtra
Model A85
Country Finland
Production From 2002  Until 2004
Price -
Tractor type -
Fuel -
Service repair manual Valtra A85 Manual

Dimensions, sizes and tires
AG front tires 13.6R24
AG rear tires 16.9R34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 7188.3 lbs or 3260 kg
Length 159.1 inches [404 cm]
Width -
Height 104.7 inches [265 cm]
Wheelbase 94.1 inches [239 cm]
Ground clearance -
Turning radius 27.6 feet [8.4 m]
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 268.5 ci or 4.4 L
Cylinders 4 cylinders
Engine power 88 hp or 65.6 kW
Engine RPM 2270 (rpm)
Torque 239.0 lb-ft or 324.1 Nm
Torque RPM 1400 (rpm)
Fuel type -
Fuel injection -
Fuel tank size 20.9 gal or 79.1 L
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories Valtra A85 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type -
Trans gears 12 forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering hydrostatic power
Braking system wet disc
Cabin type standard
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow 13.7 gpm or 51.9 lpm
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 -
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 7,277 lbs or 3300 kg
Front hitch -
Front hitch lift -

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