David Brown 4600 Selectamatic VS John Deere 7020 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 7020

General Infos

Make	John Deere
Model	7020
Country	United states
Production	From 1971  Until 1975
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 7020 Manual

Dimensions, sizes and tires

AG front tires	18.4-34S
AG rear tires	18.4-34S
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	18,495 lbs or 8389 kg
Length	-
Width	-
Height	-
Wheelbase	120 inches [304 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
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	156 gal or 590.5 L
Oil capacity	17 qts or 16.1 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 7020 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	Syncro-Range Hi-Lo
Trans type	partially synchronized
Trans gears	16 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	-
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	2
Pump flow	26 gpm or 98.4 lpm
SVC flow	-
Steering flow	-
Tank capacity	22 gal or 83.3 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	127.72 hp or 95.2 kW
Fuel consumption	10.0 gal/hour or 37.9 l/hour
Pulling power	18,726 lbs or 8494 kg

Power take-off (PTO) specs

Claimed power	-
Real power	146.17 hp or 109.0 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	transmission
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	10.2 gal/hour or 38.6 l/hour

3 point hitch specifiations

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

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