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David Brown 900

David Brown 900 tractor
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The David Brown 900 is a row-crop tractor produced from 1956 to 1958 by David Brown. It features multiple engine options including diesel, kerosene, and gasoline 2.7L 4-cylinder liquid-cooled engines. The tractor has a 6-speed transmission with 6 forward and 2 reverse gears, manual steering, mechanical drum brakes, and an open operator station. It offers a rear Type I hitch with 1800 lbs lift capacity and a rear PTO with 540 rpm. The tractor weighs between 3900 to 4000 pounds depending on the fuel type and has a wheelbase of 72 inches. It is designed for agricultural use with various tire options and belt pulley specifications.
David Brown 900tractorspecificationsenginetransmissiondimensionspowerrow-crop tractor195619571958
Power40 hp
Founded1956 - 1958
Model900

Technical Specifications

Detailed specifications and technical data for David Brown 900

Power

Engine power:45.5 hp (33.9 kW)
Belt (claimed) kerosene:32 hp (23.9 kW)
Belt (claimed) diesel/gas:35 hp (26.1 kW)
Belt (claimed) high-compression:40 hp (29.8 kW)

Tires

Ag rear:11.25x28
Ag front:6.00x16
Additional ag rear:5.50x16
Standard tires (ag):Front: 11.00x28, Rear: (not specified)
Alternate front tire:13x28

Engine

Power:40 hp (29.8 kW)
Torque:105 lb-ft (142.4 Nm)
Rated RPM:2200
Torque RPM:1300
Bore/Stroke:3.625x4.00 inches (92 x 102 mm)
Compression:15.9:1
Displacement:165 ci (2.7 L)
Firing order:1-2-4-3
Oil capacity:7 qts (6.6 L)
Starter type:electric
Engine options:David Brown 2.7L 4-cyl diesel, David Brown 2.7L 4-cyl kerosene, David Brown 2.7L 4-cyl gasoline
Coolant capacity:14 qts (13.2 L)
Power (gasoline):40.5 hp (30.2 kW)
Power (kerosene):37.5 hp (28.0 kW)
Torque (kerosene):110 lb-ft (149.2 Nm)
David Brown AD4/30H:diesel, 4-cylinder, liquid-cooled
David Brown AG4/30H:gasoline, 4-cylinder, liquid-cooled
David Brown AK4/30H:kerosene, 4-cylinder, liquid-cooled
David Brown PAG4/30H:high-compression gasoline engine for premium fuel, 4-cylinder, liquid-cooled
Torque RPM (kerosene):1000
Compression (gasoline):5.5:1
Compression (kerosene):4.7:1
Fuel system (gasoline):Solex 30FV carburetor
Fuel system (kerosene):Slex 30FV carburetor
Intake valve clearance:0.015 inches (hot) (0.381 mm)
Exhaust valve clearance:0.015 inches (hot) (0.381 mm)
Starter volts (gasoline):12
Starter volts (kerosene):12
Power (high-compression gasoline):45.5 hp (33.9 kW)
Exhaust valve clearance (gasoline):0.022 inches (hot) (0.559 mm)
Exhaust valve clearance (kerosene):0.022 inches (hot) (0.559 mm)
Compression (high-compression gasoline):7:1
Fuel system (high-compression gasoline):Solex 30FV carburetor
Starter volts (high-compression gasoline):12
Exhaust valve clearance (high-compression gasoline):0.022 inches (hot) (0.559 mm)

Dimensions

Width:65 inches (165 cm)
Height:77.75 inches (197 cm)
Length:113 inches (287 cm)
Wheelbase:72 inches (182 cm)
Rear tread:52/56/60/64/68/72/86 inches (132/142/152/162/172/182/218 cm)
Front tread:52/56/60/64/68/72/86 inches (132/142/152/162/172/182/218 cm)
Diesel Weight:4000 lbs (1814 kg)
Height (hood):54.5 inches (138 cm)
Kerosene Weight:3900 lbs (1769 kg)
Clearance (front axle):16 inches (40 cm)

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical drum brakes
Steering:manual
Operator station:Open operator station

Production

Type:Row-Crop tractor
Manufacturer:David Brown
Years produced:1956 - 1958

Belt Pulley

RPM:1405
Speed:3125 ft/min (952.50 meters/min)
Width:5.75 inches (14 cm)
Diameter:8.5 inches (21 cm)

Transmission

Gears:6 forward and 2 reverse
Clutch:254mm dry disc
Gear ranges:Three gears (1-3) plus reverse (R) in two ranges (low/high)
Oil capacity:16 qts (15.1 L)
Transmission manufacturer:David Brown

Tractor hitch

Rear Type:I
Rear lift (at ends):1800 lbs (816 kg)

Power Take-off (PTO)

Rear PTO:transmission
Engine RPM:545@1600
Rear PTO Type:540
Rear PTO live:optional

Related Models

David Brown 950

Model:950