David Brown 25 VS Chamberlain 4490 specs comparison

David Brown 25

General Infos

Make	David Brown
Model	25
Country	United states
Production	From 1953  Until 1958
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	David Brown 25 Manual

Dimensions, sizes and tires

AG front tires	6.00-19
AG rear tires	11-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3,715 lbs or 1685 kg
Length	113 inches [287 cm]
Width	-
Height	-
Wheelbase	74.8 inches [189 cm]
Ground clearance	15.4 inches [39 cm]
Turning radius	-
Rear tread size	48 to 68 inches
Front tread size	49.5 to 62 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	154 ci or 2.5 L
Cylinders	4 cylinders
Engine power	32 hp or 23.9 kW
Engine RPM	1600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	12.7 gal or 48.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 25 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	6 forward and 2 reverse
Clutch system	dry plate

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	mechanical shoe
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	9.5 gpm or 36.0 lpm

Drawbar specifications

Drawbar type	-
Claimed power	22.7 hp or 16.9 kW
Drawbar horsepower	25.88 hp or 19.3 kW
Fuel consumption	-
Pulling power	3,269 lbs or 1482 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
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	-
Rear hitch lift	1,300 lbs or 589 kg
Front hitch	-
Front hitch lift	-

Chamberlain 4490

General Infos

Make	Chamberlain
Model	4490
Country	Australia
Production	From 1985  Until 1986
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Chamberlain 4490 Manual

Dimensions, sizes and tires

AG front tires	11.00x16
AG rear tires	24.5x3
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	13,779 lbs or 6250 kg
Length	-
Width	-
Height	-
Wheelbase	115 inches [292 cm]
Ground clearance	-
Turning radius	22 feet [6.7 m]
Rear tread size	62.6 to 98.4 inches
Front tread size	64 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	466 ci or 7.6 L
Cylinders	6 cylinders
Engine power	137 hp or 102.2 kW
Engine RPM	2200 (rpm)
Torque	390.9 lb-ft or 530.1 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	87.2 gal or 330.1 L
Oil capacity	19 qts or 18.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Chamberlain 4490 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	70 amps

Clutch and gearbox specs

Trans system	Hi-Lo
Trans type	partial power shift
Trans gears	12 forward and 4 reverse
Clutch system	15.5-inch dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	4
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	7.2 gal or 27.3 L
Hydraulic pressure	2500 psi or 172.4 bar
Max flow	15.6 gpm or 59.0 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	129 hp or 96.2 kW
Real power	-
Engine @RPM	-
PTO Clutch	hydraulic disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	top-link sensing
Rear hitch	III/IIIN
Rear hitch lift	6,517 lbs or 2956 kg
Front hitch	-
Front hitch lift	-

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