John Deere 8120 VS John Deere 8650 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 8650

General Infos

Make	John Deere
Model	8650
Country	United states
Production	From 1982  Until 1988
Price	95,000  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 8650 Manual

Dimensions, sizes and tires

AG front tires	20.8-34
AG rear tires	20.8-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	29,320 lbs or 13299 kg
Length	223.5 inches [567 cm]
Width	-
Height	-
Wheelbase	125 inches [317 cm]
Ground clearance	-
Turning radius	17.8 feet [5.4 m]
Rear tread size	66 to 129 inches
Front tread size	66 to 129 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	619 ci or 10.1 L
Cylinders	6 cylinders
Engine power	290 hp or 216.3 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	214 gal or 810.0 L
Oil capacity	28 qts or 26.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8650 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	975
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	110 amps

Clutch and gearbox specs

Trans system	Quad-Range
Trans type	partial power shift
Trans gears	16 forward and 6 reverse
Clutch system	Perma-Clutch hydraulic wet discs

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Sound-Gard cab with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center constant-pressure
Valves	2 to 4
Pump flow	32 gpm or 121.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	37.5 gal or 141.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	219.93 hp or 164.0 kW
Fuel consumption	15.4 gal/hour or 58.3 l/hour
Pulling power	28,257 lbs or 12817 kg

Power take-off (PTO) specs

Claimed power	235 hp or 175.2 kW
Real power	238.56 hp or 177.9 kW
Engine @RPM	-
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	15.4 gal/hour or 58.3 l/hour

3 point hitch specifiations

Hitch system	lower-link
Rear hitch	3/3N
Rear hitch lift	9,260 lbs or 4200 kg
Front hitch	-
Front hitch lift	-

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