John Deere 3420 VS Farmall 856 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	-

Farmall 856

General Infos

Make	Farmall
Model	856
Country	United states
Production	From 1967  Until 1971
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Farmall 856 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	16.9-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	9,270 lbs or 4204 kg
Length	164 inches [416 cm]
Width	92 inches [233 cm]
Height	-
Wheelbase	105 inches [266 cm]
Ground clearance	-
Turning radius	11 feet [3.4 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	301 ci or 4.9 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2400 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	42 gal or 159.0 L
Oil capacity	9 qts or 8.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Farmall 856 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Torque Amplifier
Trans type	-
Trans gears	16 forward and 8 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	independent hydraulic disc
Cabin type	Cab optional with heat and A/C
Differentiel lock	-

Hydraulics specifications

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

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	87.17 hp or 65.0 kW
Fuel consumption	6.6 gal/hour or 25.0 l/hour
Pulling power	9,417 lbs or 4271 kg

Power take-off (PTO) specs

Claimed power	95 hp or 70.8 kW
Real power	94.29 hp or 70.3 kW
Engine @RPM	540@2100 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	6.0 gal/hour or 22.7 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	2
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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