David Brown 4600 Selectamatic VS John Deere 3020 specs comparison

David Brown 4600 Selectamatic

General Infos

Make	David Brown
Model	4600 Selectamatic
Country	United states
Production	From 1968  Until 1971
Price	4,600  USD
Tractor type	Utility tractor
Fuel	gasoline
Service repair manual	David Brown 4600 Selectamatic Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	14.9/13-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4300 lbs or 1950 kg
Length	121.5 inches [308 cm]
Width	68.375 inches [173 cm] (min)
Height	-
Wheelbase	79.75 inches [202 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52 to 80 inches
Front tread size	52 to 72 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	164.4 ci or 2.7 L
Cylinders	3 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	140 lb-ft or 189.8 Nm
Torque RPM	1400 (rpm)
Fuel type	gasoline
Fuel injection	-
Fuel tank size	13.75 gal or 52.0 L
Oil capacity	6.75 qts or 6.4 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 4600 Selectamatic Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

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

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	spur gear
Steering	manual
Braking system	expanding shoe
Cabin type	Open operator station
Differentiel lock	rear diff lock standard

Hydraulics specifications

System	Selectamatic
Valves	0 to 2
Pump flow	7.3 gpm or 27.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	6 gal or 22.7 L
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	38.34 hp or 28.6 kW
Fuel consumption	4.0 gal/hour or 15.1 l/hour
Pulling power	5421 lbs or 2458 kg

Power take-off (PTO) specs

Claimed power	46 hp or 34.3 kW
Real power	43.17 hp or 32.2 kW
Engine @RPM	540@1823 (rpm)
PTO Clutch	-
Rear PTO	live
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	position and draft control
Rear hitch	II/I
Rear hitch lift	1800 lbs or 816 kg
Front hitch	-
Front hitch lift	-

John Deere 3020

General Infos

Make	John Deere
Model	3020
Country	United states
Production	From 1964  Until 1972
Price	10,000  USD
Tractor type	-
Fuel	-
Service repair manual	John Deere 3020 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	13.6-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	Shipping:
Length	138.5 inches 351 cm
Width	89.625 inches 227 cm
Height	-
Wheelbase	90 inches 228 cm
Ground clearance	-
Turning radius	-
Rear tread size	60 to 91 inches
Front tread size	-
Turning radius	7139 lbs 3238 kg (gas)

Horsepower and engin specs

Engine capacity	-
Cylinders	4 cylinders
Engine power	-
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	-
Fuel injection	-
Fuel tank size	29 gal 109.8 L
Oil capacity	9 qts 8.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 3020 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	positive
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	full power shift
Trans gears	8 forward and 4 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

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

Hydraulics specifications

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

Drawbar specifications

Drawbar type	-
Claimed power	57 hp 42.5 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	70 hp 52.2 kW (Syncro-Range)
Real power	-
Engine @RPM	540@2100 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	1000 (rpm)
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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