Challenger MT645C VS Zetor Proxima 6441 specs comparison

Challenger MT645C

General Infos

Make	Challenger
Model	MT645C
Country	United states
Production	From 2009  Until 2010
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT645C 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	24,250 lbs or 10999 kg
Length	223.2 inches [566 cm]
Width	-
Height	133.1 inches [338 cm]
Wheelbase	122.2 inches [310 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	512.6 ci or 8.4 L
Cylinders	6 cylinders
Engine power	240 hp or 179.0 kW
Engine RPM	2200 (rpm)
Torque	874 lb-ft or 1185.1 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	electronic high-pressure common rail
Fuel tank size	155.9 gal or 590.1 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Challenger MT645C Parts

Electrical and battery specs

Batteries number	-
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	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center load sensing
Valves	4 to 6
Pump flow	26.4 gpm or 99.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2,901 psi or 200.0 bar
Max flow	46.2 gpm or 174.9 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	175.1 hp or 130.6 kW
Fuel consumption	13.5 gal/hour or 51.1 l/hour
Pulling power	26770 lbs or 12142 kg

Power take-off (PTO) specs

Claimed power	205 hp or 152.9 kW
Real power	239.0 hp or 178.2 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent electro-hydaulic
Rear PTO RPM	540E (rpm)
Front PTO	optional
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	13.8 gal/hour or 52.2 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III, IV
Rear hitch lift	26,460 lbs or 12002 kg
Front hitch	III
Front hitch lift	11,020 lbs or 4998 kg

Zetor Proxima 6441

General Infos

Make	Zetor
Model	Proxima 6441
Country	Czech republic
Production	From 2004  Until 2009
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Zetor Proxima 6441 Manual

Dimensions, sizes and tires

AG front tires	11.2-24
AG rear tires	16.9-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7940 lbs or 3601 kg
Length	152 inches [386 cm]
Width	73 inches [185 cm]
Height	102 inches [259 cm]
Wheelbase	88 inches [223 cm]
Ground clearance	16 inches [40 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	64 hp or 47.7 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 6441 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	60 hp or 44.7 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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