John Deere 4450 VS Challenger 75E specs comparison

John Deere 4450

General Infos

Make	John Deere
Model	4450
Country	United states
Production	From 1983  Until 1988
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4450 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	12745 lbs or 5781 kg
Length	164.1 inches [416 cm]
Width	96 inches [243 cm]
Height	116.5 inches [295 cm]
Wheelbase	105.3 inches [267 cm]
Ground clearance	15.75 inches [40 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	65 gal or 246.0 L
Oil capacity	18 qts or 17.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4450 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	72 amps

Clutch and gearbox specs

Trans system	John Deere Power Shift
Trans type	full power shift
Trans gears	15 forward and 4 reverse
Clutch system	Perma-Clutch wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Sound-Gard cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	26.5 gpm or 100.3 lpm
SVC flow	-
Steering flow	-
Tank capacity	10.5 gal or 39.7 L
Hydraulic pressure	2277 psi or 157.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	121 hp or 90.2 kW
Drawbar horsepower	120.11 hp or 89.6 kW
Fuel consumption	8.3 gal/hour or 31.4 l/hour
Pulling power	15,069 lbs or 6835 kg

Power take-off (PTO) specs

Claimed power	140 hp or 104.4 kW
Real power	140.33 hp or 104.6 kW
Engine @RPM	540@2200 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.6 gal/hour or 32.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	3N/2
Rear hitch lift	6,294 lbs or 2854 kg
Front hitch	-
Front hitch lift	-

Challenger 75E

General Infos

Make	Challenger
Model	75E
Country	United states
Production	From 1998  Until 2001
Price	207,300  USD
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Challenger 75E Manual

Dimensions, sizes and tires

AG front tires	25-in track
AG rear tires	25-in track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	34,800 lbs or 15785 kg
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	629 ci or 10.3 L
Cylinders	6 cylinders
Engine power	340 hp or 253.5 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	280 gal or 1059.8 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger 75E Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	full power shift
Trans gears	10 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	hydrostatic differential steering
Braking system	hydraulic caliper disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed
Valves	4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	40 gpm or 151.4 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	263.38 hp or 196.4 kW
Fuel consumption	16.5 gal/hour or 62.5 l/hour
Pulling power	33,452 lbs or 15173 kg

Power take-off (PTO) specs

Claimed power	-
Real power	309.60 hp or 230.9 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	17.0 gal/hour or 64.3 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III,IV
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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