John Deere 4620 VS David Brown 1390 specs comparison

John Deere 4620

General Infos

Make	John Deere
Model	4620
Country	United states
Production	From 1971  Until 1972
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 4620 Manual

Dimensions, sizes and tires

AG front tires	9.50-20
AG rear tires	18.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	12980 lbs or 5887 kg
Length	170.7 inches [433 cm]
Width	95.8 inches [243 cm]
Height	106 inches [269 cm]
Wheelbase	106.5 inches [270 cm]
Ground clearance	-
Turning radius	-
Rear tread size	70 to 100 inches
Front tread size	56 to 84.8 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	404 ci or 6.6 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	50 gal or 189.3 L
Oil capacity	16 qts or 15.1 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4620 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	John Deere Power Shift
Trans type	full power shift
Trans gears	8 forward and 4 reverse
Clutch system	hydraulic wet discs

Cabine and mechanical specs

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

Hydraulics specifications

System	closed center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	16 gal or 60.6 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	115.75 hp or 86.3 kW
Fuel consumption	9.1 gal/hour or 34.4 l/hour
Pulling power	13,916 lbs or 6312 kg

Power take-off (PTO) specs

Claimed power	135 hp or 100.7 kW
Real power	130.27 hp or 97.1 kW
Engine @RPM	1000@1900 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	8.4 gal/hour or 31.8 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/II
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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