John Deere 420 VS David Brown 1390 specs comparison

John Deere 420

General Infos

Make	John Deere
Model	420
Country	United states
Production	From 1956  Until 1958
Price	-
Tractor type	Utility tractor
Fuel	gasoline
Service repair manual	John Deere 420 Manual

Dimensions, sizes and tires

AG front tires	5.00-15
AG rear tires	9-24
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3250 lbs or 1474 kg
Length	114.75 inches [291 cm]
Width	55.5 inches [140 cm]
Height	58.75 inches [149 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	113 ci or 1.9 L
Cylinders	2 cylinders 4 valves
Engine power	-
Engine RPM	1850 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	10.5 gal or 39.7 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	John Deere 420 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	5 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	-
Cabin type	Open operator station
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	21.89 hp or 16.3 kW
Fuel consumption	-
Pulling power	2,734 lbs or 1240 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	transmission
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	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

David Brown 1390

General Infos

Make	David Brown
Model	1390
Country	United states
Production	From 1980  Until 1984
Price	22,100  USD
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 1390 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	16.9-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5,500 lbs or 2494 kg
Length	135 inches [342 cm]
Width	-
Height	-
Wheelbase	84 inches [213 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	219 ci or 3.6 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	19 gal or 71.9 L
Oil capacity	7.9 qts or 7.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 1390 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	26 amps

Clutch and gearbox specs

Trans system	-
Trans type	synchromesh
Trans gears	12 forward and 4 reverse
Clutch system	hydraulic dry disc

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	1 or 2
Pump flow	15.3 gpm or 57.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	7.1 gal or 26.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	50.26 hp or 37.5 kW
Fuel consumption	4.0 gal/hour or 15.1 l/hour
Pulling power	8624 lbs or 3911 kg

Power take-off (PTO) specs

Claimed power	60 hp or 44.7 kW
Real power	58.40 hp or 43.5 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.7 gal/hour or 14.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	2/1
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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