John Deere 4520 VS David Brown 900 specs comparison

John Deere 4520

General Infos

Make	John Deere
Model	4520
Country	United states
Production	From 2005  Until 2014
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	John Deere 4520 Manual

Dimensions, sizes and tires

AG front tires	8.00-16
AG rear tires	13.6-28
Lawn front tires	27x10.5-15
Lawn rear tires	27x10.5-15
Indus front tires	10.00-16.5
Indus rear tires	17.5L-24
Weight	3,855 lbs or 1748 kg
Length	128.2 inches [325 cm]
Width	65.6 inches [166 cm] (R1 tires)
Height	92.4 inches [234 cm]
Wheelbase	71.5 inches [181 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	148.9 ci or 2.4 L
Cylinders	4 cylinders
Engine power	53.1 hp or 39.6 kW
Engine RPM	2400 (rpm)
Torque	141 lb-ft or 191.2 Nm
Torque RPM	1440 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	14.5 gal or 54.9 L
Oil capacity	7.9 qts or 7.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 4520 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	770
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	70 amps

Clutch and gearbox specs

Trans system	eHydro
Trans type	hydrostatic
Trans gears	infinite 3-range forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	hydrostatic power
Braking system	wet disc
Cabin type	Cab optional with heat and A/C
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	0 to 5
Pump flow	12 gpm or 45.4 lpm
SVC flow	-
Steering flow	5.1 gpm or 19.3 lpm
Tank capacity	10.3 gal or 39.0 L
Hydraulic pressure	2500 psi or 172.4 bar
Max flow	17.1 gpm or 64.7 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	40 hp or 29.8 kW
Real power	46.58 hp or 34.7 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	independent
Mid PTO RPM	2100 (rpm)
Fuel consumption	3.0 gal/hour or 11.4 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	3,130 lbs or 1419 kg
Front hitch	-
Front hitch lift	-

David Brown 900

General Infos

Make	David Brown
Model	900
Country	United states
Production	From 1956  Until 1958
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	David Brown 900 Manual

Dimensions, sizes and tires

AG front tires	6.00x16
AG rear tires	11.25x28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4000 lbs or 1814 kg
Length	113 inches [287 cm]
Width	65 inches [165 cm]
Height	77.75 inches [197 cm]
Wheelbase	72 inches [182 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52/56/60/64/68/72/86 inches
Front tread size	52/56/60/64/68/72/86 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	165 ci or 2.7 L
Cylinders	4 cylinders
Engine power	45.5 hp or 33.9 kW
Engine RPM	2200 (rpm)
Torque	110 lb-ft or 149.2 Nm
Torque RPM	1000 (rpm)
Fuel type	diesel
Fuel injection	Solex 30FV carburetor
Fuel tank size	11.5 gal or 43.5 L
Oil capacity	7 qts or 6.6 L
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	David Brown 900 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	51 amps
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	David Brown
Trans type	-
Trans gears	6 forward and 2 reverse
Clutch system	254mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	mechanical drum
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	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	545@1600 (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	1800 lbs or 816 kg
Front hitch	-
Front hitch lift	-

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