John Deere 3420 VS John Deere 820 specs comparison

John Deere 3420

General Infos

Make	John Deere
Model	3420
Country	United states
Production	From 1970  Until 1975
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 3420 Manual

Dimensions, sizes and tires

AG front tires	7.50x18
AG rear tires	13.6x38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7668 lbs or 3478 kg
Length	161 inches [408 cm]
Width	-
Height	-
Wheelbase	100.4 inches [255 cm]
Ground clearance	13.4 inches [34 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	302.7 ci or 5.0 L
Cylinders	6 cylinders
Engine power	77 hp or 57.4 kW
Engine RPM	2500 (rpm)
Torque	221 lb-ft or 299.7 Nm
Torque RPM	1250 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	34.1 gal or 129.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 3420 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 820

General Infos

Make	John Deere
Model	820
Country	United states
Production	From 1956  Until 1958
Price	-
Tractor type	Standard tread tractor
Fuel	diesel
Service repair manual	John Deere 820 Manual

Dimensions, sizes and tires

AG front tires	7.50-18
AG rear tires	15-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7,850 lbs or 3560 kg
Length	142.75 inches [362 cm]
Width	79.5 inches [201 cm]
Height	81 inches [205 cm]
Wheelbase	85.25 inches [216 cm]
Ground clearance	-
Turning radius	-
Rear tread size	64.5/68.5 inches
Front tread size	56.5 to 63 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	470.7 ci or 7.7 L
Cylinders	2 cylinders
Engine power	-
Engine RPM	1125 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	32.5 gal or 123.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	John Deere 820 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	positive
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	6 forward and 1 reverse
Clutch system	9-inch dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	-
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	Powr-Trol
Valves	1
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	67.15 hp or 50.1 kW
Fuel consumption	-
Pulling power	8,667 lbs or 3931 kg

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	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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