Chamberlain 4490 VS John Deere 7820 specs comparison

Chamberlain 4490

General Infos

Make	Chamberlain
Model	4490
Country	Australia
Production	From 1985  Until 1986
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Chamberlain 4490 Manual

Dimensions, sizes and tires

AG front tires	11.00x16
AG rear tires	24.5x3
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	13,779 lbs or 6250 kg
Length	-
Width	-
Height	-
Wheelbase	115 inches [292 cm]
Ground clearance	-
Turning radius	22 feet [6.7 m]
Rear tread size	62.6 to 98.4 inches
Front tread size	64 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	137 hp or 102.2 kW
Engine RPM	2200 (rpm)
Torque	390.9 lb-ft or 530.1 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	87.2 gal or 330.1 L
Oil capacity	19 qts or 18.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Chamberlain 4490 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	70 amps

Clutch and gearbox specs

Trans system	Hi-Lo
Trans type	partial power shift
Trans gears	12 forward and 4 reverse
Clutch system	15.5-inch dry disc

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	7.2 gal or 27.3 L
Hydraulic pressure	2500 psi or 172.4 bar
Max flow	15.6 gpm or 59.0 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	129 hp or 96.2 kW
Real power	-
Engine @RPM	-
PTO Clutch	hydraulic disc
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	top-link sensing
Rear hitch	III/IIIN
Rear hitch lift	6,517 lbs or 2956 kg
Front hitch	-
Front hitch lift	-

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	-

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