Challenger MT665B VS John Deere 8440 specs comparison

Challenger MT665B

General Infos

Make	Challenger
Model	MT665B
Country	United states
Production	From 2005  Until 2008
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT665B 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	19,550 lbs or 8867 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	513 ci or 8.4 L
Cylinders	6 cylinders 24 valves
Engine power	290 hp or 216.3 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic direct 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 MT665B 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	power shift
Trans gears	18 forward and 9 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	231.2 hp or 172.4 kW
Fuel consumption	-
Pulling power	27,071 lbs or 12279 kg

Power take-off (PTO) specs

Claimed power	240 hp or 179.0 kW
Real power	265.89 hp or 198.3 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	14.7 gal/hour or 55.6 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

John Deere 8440

General Infos

Make	John Deere
Model	8440
Country	United states
Production	From 1979  Until 1982
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 8440 Manual

Dimensions, sizes and tires

AG front tires	18.4-34
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	26,590 lbs or 12061 kg
Length	223.5 inches [567 cm]
Width	-
Height	126.6 inches [321 cm]
Wheelbase	125 inches [317 cm]
Ground clearance	19.4 inches [49 cm]
Turning radius	-
Rear tread size	63 to 130 inches
Front tread size	63 to 130 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	215 hp or 160.3 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	156 gal or 590.5 L
Oil capacity	22 qts or 20.8 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8440 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	850
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	90 amps

Clutch and gearbox specs

Trans system	John Deere Quad-Range
Trans type	partial power shift
Trans gears	16 forward and 6 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	articulated power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	hydraulic front and rear

Hydraulics specifications

System	closed center
Valves	2
Pump flow	33 gpm or 124.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	40 gal or 151.4 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	160.58 hp or 119.7 kW
Fuel consumption	11.2 gal/hour or 42.4 l/hour
Pulling power	25,383 lbs or 11513 kg

Power take-off (PTO) specs

Claimed power	175 hp or 130.5 kW
Real power	179.83 hp or 134.1 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	11.3 gal/hour or 42.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III
Rear hitch lift	8545 lbs or 3876 kg
Front hitch	-
Front hitch lift	-

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