Challenger MT645E VS John Deere 7920 specs comparison

Challenger MT645E

General Infos

Make	Challenger
Model	MT645E
Country	United states
Production	From 2014
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT645E Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	-
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	23810 lbs or 10800 kg
Length	218.6 inches [555 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	512.6 ci or 8.4 L
Cylinders	6 cylinders 24 valves
Engine power	240 hp or 179.0 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	166 gal or 628.3 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Challenger MT645E Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	12 V
Charging Amps	240 amps

Clutch and gearbox specs

Trans system	Techstar CVT
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	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	electro-hydraulic

Hydraulics specifications

System	closed center load sensing
Valves	4 to 6
Pump flow	54 gpm or 204.4 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	-

Drawbar specifications

Drawbar type	Cat
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	205 hp or 152.9 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	III/IVN
Rear hitch lift	26455 lbs or 11999 kg
Front hitch	-
Front hitch lift	-

John Deere 7920

General Infos

Make	John Deere
Model	7920
Country	United states
Production	From 2003  Until 2006
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7920 Manual

Dimensions, sizes and tires

AG front tires	420/90R30
AG rear tires	480/80R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	17,927 lbs or 8131 kg
Length	212.2 inches [538 cm]
Width	96 inches [243 cm]
Height	125.4 inches [318 cm]
Wheelbase	112.6 inches [286 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	496 ci or 8.1 L
Cylinders	6 cylinders
Engine power	223 hp or 166.3 kW
Engine RPM	2100 (rpm)
Torque	714.7 lb-ft or 969.1 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	high-pressure common rail
Fuel tank size	103.5 gal or 391.7 L
Oil capacity	25.4 qts or 24.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 7920 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	150 amps

Clutch and gearbox specs

Trans system	AutoPowr IVT
Trans type	infinitely 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
Differentiel lock	-

Hydraulics specifications

System	closed center pressure-flow compensating
Valves	7
Pump flow	32 gpm or 121.1 lpm
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	28.5 gal or 107.9 L
Hydraulic pressure	3046 psi or 210.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	170 hp or 126.8 kW
Real power	-
Engine @RPM	540@1950 (rpm)
PTO Clutch	hydraulic wet discs
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	independent (optional)
Front PTO RPM	540 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	3/3N
Rear hitch lift	10,050 lbs or 4558 kg
Front hitch	optional
Front hitch lift	-

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