John Deere 8120 VS John Deere 6630 specs comparison

John Deere 8120

General Infos

Make	John Deere
Model	8120
Country	United states
Production	From 2002  Until 2005
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 8120 Manual

Dimensions, sizes and tires

AG front tires	11.00-24
AG rear tires	480/80R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	19,100 lbs or 8663 kg
Length	209.9 inches [533 cm]
Width	-
Height	120.2 inches [305 cm]
Wheelbase	115.7 inches [293 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	60 to 88 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	496 ci or 8.1 L
Cylinders	6 cylinders
Engine power	230 hp or 171.5 kW
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic high-pressure common rail (HPCR)
Fuel tank size	135 gal or 511.0 L
Oil capacity	22.7 qts or 21.5 L
Oil change	250 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8120 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	John Deere PowerShift
Trans type	full power shift
Trans gears	16 forward and 4 reverse
Clutch system	hydraulic wet disc

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	5
Pump flow	-
SVC flow	30 gpm or 113.6 lpm
Steering flow	-
Tank capacity	37 gal or 140.0 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	33.5 gpm or 126.8 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	148.45 hp or 110.7 kW
Fuel consumption	10.2 gal/hour or 38.6 l/hour
Pulling power	22,308 lbs or 10118 kg

Power take-off (PTO) specs

Claimed power	170 hp or 126.8 kW
Real power	172.13 hp or 128.4 kW
Engine @RPM	540@1975 (rpm)
PTO Clutch	hydraulic wet discs
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	10.1 gal/hour or 38.2 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III,IIIN
Rear hitch lift	12,300 lbs or 5579 kg
Front hitch	IIIN
Front hitch lift	11000 lbs or 4989 kg

John Deere 6630

General Infos

Make	John Deere
Model	6630
Country	United states
Production	From 2006  Until 2011
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	John Deere 6630 Manual

Dimensions, sizes and tires

AG front tires	420/70R28
AG rear tires	18.4R38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	11,390 lbs or 5166 kg
Length	186.1 inches [472 cm]
Width	91.2 inches [231 cm]
Height	111.5 inches [283 cm]
Wheelbase	104.3 inches [264 cm]
Ground clearance	-
Turning radius	-
Rear tread size	63.9 to 79.6 inches
Front tread size	58.5 to 80.4 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	413.7 ci or 6.8 L
Cylinders	6 cylinders 12 valves
Engine power	137 hp or 102.2 kW
Engine RPM	2300 (rpm)
Torque	389 lb-ft or 527.5 Nm
Torque RPM	1600 (rpm)
Fuel type	diesel
Fuel injection	high-pressure common rail injection
Fuel tank size	54.7 gal or 207.0 L
Oil capacity	20.6 qts or 19.5 L
Oil change	500 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 6630 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	154 amps

Clutch and gearbox specs

Trans system	John Deere PowrQuad Plus
Trans type	partial power shift
Trans gears	24 forward and reverse
Clutch system	dual 225mm wet disc PermaClutch

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	hydraulic wet disc
Cabin type	Two-post foldable Roll-Guard ROPS
Differentiel lock	rear electro-hydraulic wet disc

Hydraulics specifications

System	constant flow load sensing
Valves	-
Pump flow	21.4 gpm or 81.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	13.2 gal or 50.0 L
Hydraulic pressure	2,901 psi or 200.0 bar
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	113 hp or 84.3 kW
Real power	-
Engine @RPM	1000@2185 (rpm)
PTO Clutch	electro-hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	load and depth control with electronic lower-link sensing
Rear hitch	II
Rear hitch lift	11,470 lbs or 5202 kg
Front hitch	-
Front hitch lift	-

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