John Deere 8120 VS John Deere 4255 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 4255

General Infos

Make	John Deere
Model	4255
Country	United states
Production	From 1988  Until 1992
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4255 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	12,225 lbs or 5545 kg
Length	158.6 inches [402 cm]
Width	96 inches [243 cm]
Height	116.5 inches [295 cm]
Wheelbase	105.3 inches [267 cm]
Ground clearance	-
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	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 4255 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 discs
Cabin type	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	112.26 hp or 83.7 kW
Fuel consumption	7.5 gal/hour or 28.4 l/hour
Pulling power	14,635 lbs or 6638 kg

Power take-off (PTO) specs

Claimed power	120 hp or 89.5 kW
Real power	123.69 hp or 92.2 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	7.5 gal/hour or 28.4 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	6175 lbs or 2800 kg
Front hitch	-
Front hitch lift	-

Add a tractor