John Deere 7820 VS John Deere 4455 specs comparison

John Deere 7820

General Infos

Make	John Deere
Model	7820
Country	United states
Production	From 2004  Until 2007
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7820 Manual

Dimensions, sizes and tires

AG front tires	11.00-16
AG rear tires	18.4R4
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	16,002 lbs or 7258 kg
Length	212.2 inches [538 cm]
Width	96 inches [243 cm] (short axle)
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	-
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
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 7820 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	hydraulic wet discs

Cabine and mechanical specs

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

Hydraulics specifications

System	closed-center pressure-flow compensated
Valves	7
Pump flow	32.2 gpm or 121.9 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	143.52 hp or 107.0 kW
Fuel consumption	9.5 gal/hour or 36.0 l/hour
Pulling power	21,634 lbs or 9813 kg

Power take-off (PTO) specs

Claimed power	155 hp or 115.6 kW
Real power	170.96 hp or 127.5 kW
Engine @RPM	540@1950 (rpm)
PTO Clutch	hydraulic wet discs
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	9.6 gal/hour or 36.3 l/hour

3 point hitch specifiations

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

John Deere 4455

General Infos

Make	John Deere
Model	4455
Country	United states
Production	From 1988  Until 1992
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4455 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	14,145 lbs or 6416 kg
Length	158.6 inches [402 cm]
Width	109 inches [276 cm]
Height	116.5 inches [295 cm]
Wheelbase	105.3 inches [267 cm]
Ground clearance	-
Turning radius	-
Rear tread size	62 to 116 inches
Front tread size	60.5 to 88 inches
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	direct injection
Fuel tank size	65 gal or 246.0 L
Oil capacity	19 qts or 18.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4455 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	120 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	hydraulic wet disc

Cabine and mechanical specs

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

Hydraulics specifications

System	closed center
Valves	2 or 3
Pump flow	26.5 gpm or 100.3 lpm
SVC flow	20.6 gpm or 78.0 lpm
Steering flow	-
Tank capacity	13.5 gal or 51.1 L
Hydraulic pressure	2530 psi or 174.4 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	128.59 hp or 95.9 kW
Fuel consumption	8.4 gal/hour or 31.8 l/hour
Pulling power	17,161 lbs or 7784 kg

Power take-off (PTO) specs

Claimed power	140 hp or 104.4 kW
Real power	142.69 hp or 106.4 kW
Engine @RPM	-
PTO Clutch	hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.4 gal/hour or 31.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IIIN/II
Rear hitch lift	5504 lbs or 2496 kg
Front hitch	-
Front hitch lift	-

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