Challenger MT645D VS Zetor Proxima 8441 specs comparison

Challenger MT645D 2011 comparison online with competitors

Challenger MT645D

General Infos
Make Challenger
Model MT645D
Country United states
Production From 2011  Until 2013
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual Challenger MT645D Manual

Dimensions, sizes and tires
AG front tires 480/70R34
AG rear tires 520/85R46
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 24250 lbs or 10999 kg
Length 215.7 inches [547 cm]
Width -
Height 141 inches [358 cm]
Wheelbase 122 inches [309 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 513.8 ci or 8.4 L
Cylinders 6 cylinders
Engine power 240 hp or 179.0 kW
Engine RPM 2100 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection electronic high-pressure common rail
Fuel tank size 167 gal or 632.1 L
Oil capacity -
Oil change -
Starter motor electric
Starter volts 12 V
Parts And Accessories Challenger MT645D Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 240 amps
Clutch and gearbox specs
Trans system Techstar CVT
Trans type continuously variable transmission
Trans gears infinite forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive inboard planetary
Steering hydrostatic power
Braking system hydraulic wet disc
Cabin type Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional)
Differentiel lock electro-hydraulic
Hydraulics specifications
System closed center load sensing
Valves 4 to 6
Pump flow -
SVC flow 26.4 gpm or 99.9 lpm
Steering flow -
Tank capacity 29.1 gal or 110.1 L
Hydraulic pressure 2900 psi or 200.0 bar
Max flow 46 gpm or 174.1 lpm
Drawbar specifications
Drawbar type Cat
Claimed power -
Drawbar horsepower 170.7 hp or 127.3 kW
Fuel consumption 11.5 gal/hour or 43.5 l/hour
Pulling power 25705 lbs or 11659 kg
Power take-off (PTO) specs
Claimed power 205 hp or 152.9 kW
Real power 250.0 hp or 186.4 kW
Engine @RPM 540E@1577 (rpm)
PTO Clutch electro-hydraulic
Rear PTO independent
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 13.4 gal/hour or 50.7 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III
Rear hitch lift 22760 lbs or 10323 kg
Front hitch III
Front hitch lift 11000 lbs or 4989 kg

Zetor Proxima 8441 2004 comparison online with competitors

Zetor Proxima 8441

General Infos
Make Zetor
Model Proxima 8441
Country Czech republic
Production From 2004  Until 2009
Price -
Tractor type -
Fuel diesel
Service repair manual Zetor Proxima 8441 Manual

Dimensions, sizes and tires
AG front tires 12.4-34
AG rear tires 16.9-34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 8160 lbs or 3701 kg
Length 152 inches [386 cm]
Width 73 inches [185 cm]
Height 104 inches [264 cm]
Wheelbase 88 inches [223 cm]
Ground clearance 17 inches [43 cm]
Turning radius -
Rear tread size 56 to 71 inches
Front tread size 59 to 71 inches
Turning radius -

Horsepower and engin specs
Engine capacity 254 ci or 4.2 L
Cylinders 4 cylinders
Engine power 84 hp or 62.6 kW
Engine RPM 2200 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 20 gal or 75.7 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Zetor Proxima 8441 Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type mechanical shuttle
Trans gears 12 forward and reverse
Clutch system 304.8mm hydraulic cerametallic disc
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering -
Braking system -
Cabin type Two-post folding ROPS
Differentiel lock -
Hydraulics specifications
System open center
Valves 3
Pump flow 14 gpm or 53.0 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2900 psi or 200.0 bar
Max flow 18 gpm or 68.1 lpm
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 78 hp or 58.2 kW
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 position and draft control
Rear hitch II/I
Rear hitch lift 6830 lbs or 3098 kg
Front hitch -
Front hitch lift -

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