John Deere 4420 VS John Deere 6145J specs comparison

John Deere 4420

General Infos

Make	John Deere
Model	4420
Country	United states
Production	From 1970  Until 1975
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4420 Manual

Dimensions, sizes and tires

AG front tires	7.50x18
AG rear tires	18.4x34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8283 lbs or 3757 kg
Length	168.1 inches [426 cm]
Width	-
Height	-
Wheelbase	100.4 inches [255 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	328.9 ci or 5.4 L
Cylinders	6 cylinders
Engine power	102 hp or 76.1 kW
Engine RPM	2500 (rpm)
Torque	259 lb-ft or 351.2 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	34.1 gal or 129.1 L
Oil capacity	13.75 qts or 13.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4420 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	28 amps

Clutch and gearbox specs

Trans system	Syncro-Range
Trans type	-
Trans gears	8 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

John Deere 6145J

General Infos

Make	John Deere
Model	6145J
Country	United states
Production	From 2010
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 6145J Manual

Dimensions, sizes and tires

AG front tires	18.4-26
AG rear tires	24.5-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	11,290 lbs or 5121 kg
Length	195.6 inches [496 cm]
Width	-
Height	112.7 inches [286 cm]
Wheelbase	104.3 inches [264 cm]
Ground clearance	22.4 inches [56 cm]
Turning radius	-
Rear tread size	66.5 to 104.3 inches
Front tread size	62.9 to 82.6 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	414.4 ci or 6.8 L
Cylinders	6 cylinders
Engine power	145 hp or 108.1 kW
Engine RPM	2100 (rpm)
Torque	448.4 lb-ft or 608.0 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	rotary injection
Fuel tank size	83.2 gal or 314.9 L
Oil capacity	20.1 qts or 19.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 6145J Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	150 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	90 amps

Clutch and gearbox specs

Trans system	John Deere PowrQuad
Trans type	partial power shift
Trans gears	16 forward and reverse
Clutch system	hydraulic wet discs

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	hydraulic wet disc
Cabin type	Four-post ROPS
Differentiel lock	electro-hydraulic

Hydraulics specifications

System	closed center pressure-flow compensated
Valves	2
Pump flow	26.42 gpm or 100.0 lpm
SVC flow	26.36 gpm or 99.8 lpm
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 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	123 hp or 91.7 kW
Real power	-
Engine @RPM	-
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	electronic lower link
Rear hitch	II
Rear hitch lift	10,160 lbs or 4608 kg
Front hitch	-
Front hitch lift	-

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