John Deere 7280R VS John Deere 4450 specs comparison

John Deere 7280R

General Infos

Make	John Deere
Model	7280R
Country	United states
Production	From 2011  Until 2013
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7280R Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	-
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	27,180 lbs or 12328 kg
Length	-
Width	-
Height	-
Wheelbase	115.2 inches [292 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	60 to 88 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	548 ci or 9.0 L
Cylinders	6 cylinders 24 valves
Engine power	308 hp or 229.7 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic high-pressure common rail
Fuel tank size	138 gal or 522.3 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	John Deere 7280R 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	200 amps

Clutch and gearbox specs

Trans system	John Deere 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	-
Cabin type	CommandView II Cab
Differentiel lock	full-locking electrohydraulic rear

Hydraulics specifications

System	closed-center pressure and flow compensated
Valves	6
Pump flow	43 gpm or 162.8 lpm
SVC flow	35 gpm or 132.5 lpm
Steering flow	-
Tank capacity	-
Hydraulic pressure	2958 psi or 204.0 bar
Max flow	-

Drawbar specifications

Drawbar type	Category 3 drawbar
Claimed power	-
Drawbar horsepower	198.81 hp or 148.3 kW
Fuel consumption	13.8 gal/hour or 52.2 l/hour
Pulling power	23656 lbs or 10730 kg

Power take-off (PTO) specs

Claimed power	232 hp or 173.0 kW
Real power	267.27 hp or 199.3 kW
Engine @RPM	540@1950 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	optional
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	14.8 gal/hour or 56.0 l/hour

3 point hitch specifiations

Hitch system	electrohydraulic sensing
Rear hitch	3/3N
Rear hitch lift	15,200 lbs or 6894 kg
Front hitch	3N
Front hitch lift	11,464 lbs or 5200 kg

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	-

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