John Deere 3640 VS John Deere 6420 specs comparison

John Deere 3640

General Infos

Make	John Deere
Model	3640
Country	United states
Production	From 1984  Until 1987
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 3640 Manual

Dimensions, sizes and tires

AG front tires	12.4-28
AG rear tires	16.9-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	10564 lbs or 4791 kg
Length	189 inches [480 cm]
Width	85 inches [215 cm]
Height	111 inches [281 cm]
Wheelbase	102 inches [259 cm]
Ground clearance	-
Turning radius	30.2 feet [9.2 m]
Rear tread size	63/69/73/76/79 inches
Front tread size	63 to 83 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	359 ci or 5.9 L
Cylinders	6 cylinders
Engine power	117 hp or 87.2 kW
Engine RPM	2400 (rpm)
Torque	290 lb-ft or 393.2 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	49.2 gal or 186.2 L
Oil capacity	11.6 qts or 11.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 3640 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	88 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	Power Synchron
Trans type	partial power shift
Trans gears	16 forward and 8 reverse
Clutch system	hydraulic cerametallic dry disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Sound-Gard (SG2) cab
Differentiel lock	rear standard

Hydraulics specifications

System	closed center constant pressure
Valves	-
Pump flow	11.9 gpm or 45.0 lpm
SVC flow	-
Steering flow	-
Tank capacity	11.1 gal or 42.0 L
Hydraulic pressure	2466 psi or 170.0 bar
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	540@2175 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	optional
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	lower-link draft sensing
Rear hitch	II/III
Rear hitch lift	12818 lbs or 5814 kg
Front hitch	optional
Front hitch lift	-

John Deere 6420

General Infos

Make	John Deere
Model	6420
Country	United states
Production	From 2002  Until 2006
Price	44,000  USD
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 6420 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	18.4-3
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	10,064 lbs or 4565 kg
Length	162.7 inches [413 cm]
Width	61.8 inches [156 cm]
Height	98.3 inches [249 cm]
Wheelbase	94.5 inches [240 cm]
Ground clearance	-
Turning radius	-
Rear tread size	63.1 to 90.6 inches
Front tread size	58.7 to 101.7 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	276 ci or 4.5 L
Cylinders	4 cylinders
Engine power	110 hp or 82.0 kW
Engine RPM	2300 (rpm)
Torque	346 lb-ft or 469.2 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	48.9 gal or 185.1 L
Oil capacity	16.8 qts or 15.9 L
Oil change	500 h
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 6420 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	110 amps
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	90 amps

Clutch and gearbox specs

Trans system	John Deere IVT
Trans type	infinitely variable transmission
Trans gears	infinite forward and reverse
Clutch system	wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	closed center pressue flow compensated
Valves	4
Pump flow	25 gpm or 94.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	13.7 gal or 51.9 L
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	75.4 hp or 56.2 kW
Fuel consumption	5.5 gal/hour or 20.8 l/hour
Pulling power	9,915 lbs or 4497 kg

Power take-off (PTO) specs

Claimed power	90 hp or 67.1 kW
Real power	96.0 hp or 71.6 kW
Engine @RPM	1000@2185 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	optional
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	5.5 gal/hour or 20.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	4745 lbs or 2152 kg
Front hitch	-
Front hitch lift	-

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