David Brown 770 Selectamatic VS John Deere 9520RX specs comparison

David Brown 770 Selectamatic

General Infos

Make	David Brown
Model	770 Selectamatic
Country	United states
Production	From 1965  Until 1970
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 770 Selectamatic Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	11.2/10-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3110 lbs or 1410 kg
Length	112.5 inches [285 cm]
Width	64 inches [162 cm]
Height	-
Wheelbase	75 inches [190 cm]
Ground clearance	-
Turning radius	-
Rear tread size	48/52/56/60/64/68/72/76 inches
Front tread size	48/52/56/60/64/68/72/76 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	146.1 ci or 2.4 L
Cylinders	3 cylinders
Engine power	36 hp or 26.8 kW
Engine RPM	2055 (rpm)
Torque	100 lb-ft or 135.6 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	11.4 gal or 43.1 L
Oil capacity	7.8 qts or 7.4 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	David Brown 770 Selectamatic Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	96 amps
Cold Amps	-
Ground force	negative
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	mechanical drum
Cabin type	Open operator station
Differentiel lock	mechanical rear

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2000 psi or 137.9 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	27.5 hp or 20.5 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	32 hp or 23.9 kW
Real power	-
Engine @RPM	540@1620 (rpm)
PTO Clutch	-
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

John Deere 9520RX

General Infos

Make	John Deere
Model	9520RX
Country	United states
Production	From 2016
Price	-
Tractor type	Articulated Crawler tractor
Fuel	diesel
Service repair manual	John Deere 9520RX Manual

Dimensions, sizes and tires

AG front tires	30-inch track
AG rear tires	30-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	54000 lbs or 24494 kg
Length	322 inches [817 cm]
Width	117.2 inches [297 cm] (30-inch tracks)
Height	-
Wheelbase	163.5 inches [415 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	826.7 ci or 13.5 L
Cylinders	6 cylinders
Engine power	520 hp or 387.8 kW
Engine RPM	-
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	400 gal or 1514.0 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	John Deere 9520RX Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	12 V
Charging Amps	200 amps

Clutch and gearbox specs

Trans system	e18 PowerShift
Trans type	full power shift
Trans gears	18 forward and 6 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	articulated-crawler
Final drive	-
Steering	-
Braking system	-
Cabin type	CommandView III cab standard with suspension and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed-center pressure/flow compensated
Valves	4 to 8
Pump flow	58 gpm or 219.5 lpm
SVC flow	35 gpm or 132.5 lpm
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	Cat
Claimed power	-
Drawbar horsepower	397.87 hp or 296.7 kW
Fuel consumption	26.3 gal/hour or 99.5 l/hour
Pulling power	53737 lbs or 24375 kg

Power take-off (PTO) specs

Claimed power	-
Real power	349.09 hp or 260.3 kW
Engine @RPM	-
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	20.4 gal/hour or 77.2 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IV/IVN
Rear hitch lift	15000 lbs or 6804 kg
Front hitch	-
Front hitch lift	-

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