Explore the specifications, hardware, and original references for the David Brown 900.
David Brown 900 tractor - 179th Omagh Annual Agricultural Show 2019 - geograph.org.uk - 6206143 — Kenneth Allen, CC BY-SA 2.0. Resized; converted to WebP. David Brown 900 tractor - 179th Omagh Annual Agricultural Show 2019 by Kenneth Allen · Kenneth Allen · CC BY-SA 2.0commons.wikimedia.org source ↗
40hp
Source index power
2WD Only
Drive
1956–1958
Production years
David Brown
Manufacturer
900 / 01
At a glance
Production
Row-Crop tractor
Manufacturer
David Brown
Mechanical
Two-wheel drive
Mechanical drum brakes
Open operator station.
Steering
manual
Hitch
Rear Type
I
Rear Lift At Ends
1800 lbs816 kg
Pto
Rear Pto
transmission
Rear Pto
live (optional)
Rear Type
540
Engine Rpm
545@1600
Belt Pulley
Diameter
8.5 inches21 cm
Width
5.75 inches14 cm
Rpm
1405
Speed
3125 ft/min952.50 meters/min
900 / 02
Under the hood
Engine Detail (Option 1)
David Brown AD4/30H
diesel
4-cylinder
liquid-cooled
Displacement
165 ci2.7 L
Bore Stroke
3.625x4.00 inches92 x 102 mm
Power
40 hp29.8 kW
Compression Ratio
15.9:1
Rated Rpm
2200
Torque
105 lb-ft142.4 Nm
Torque Rpm
1300
Firing Order
1-2-4-3
Starter Type
electric
Oil Capacity
7 qts6.6 L
Coolant Capacity
14 qts13.2 L
Intake Valve Clearance
0.015 inches (hot)0.381 mm
Exhaust Valve Clearance
0.015 inches (hot)0.381 mm
Fuel Type
diesel
Cylinders
4
Cooling
liquid-cooled
Engine Detail (Option 2)
David Brown AK4/30H
kerosene
4-cylinder
liquid-cooled
Displacement
165 ci2.7 L
Bore Stroke
3.625x4.00 inches92 x 102 mm
Power
37.5 hp28.0 kW
Fuel System
Slex 30FV carburetor
Compression Ratio
4.7:1
Rated Rpm
2200
Torque
110 lb-ft149.2 Nm
Torque Rpm
1000
Firing Order
1-2-4-3
Starter
electric
Starter Volts
12
Oil Capacity
7 qts6.6 L
Coolant Capacity
14 qts13.2 L
Intake Valve Clearance
0.015 inches (hot)0.381 mm
Exhaust Valve Clearance
0.022 inches (hot)0.559 mm
Fuel Type
kerosene
Cylinders
4
Cooling
liquid-cooled
Engine Detail (Option 3)
David Brown AG4/30H
gasoline
4-cylinder
liquid-cooled
Displacement
165 ci2.7 L
Bore Stroke
3.625x4.00 inches92 x 102 mm
Power
40.5 hp30.2 kW
Fuel System
Solex 30FV carburetor
Compression Ratio
5.5:1
Rated Rpm
2200
Firing Order
1-2-4-3
Starter
electric
Starter Volts
12
Oil Capacity
7 qts6.6 L
Coolant Capacity
14 qts13.2 L
Intake Valve Clearance
0.015 inches (hot)0.381 mm
Exhaust Valve Clearance
0.022 inches (hot)0.559 mm
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled
Engine Detail (Option 4)
David Brown PAG4/30H
gasoline
4-cylinder
liquid-cooled
High-compression gasoline engine for premium fuel.
Displacement
165 ci2.7 L
Bore Stroke
3.625x4.00 inches92 x 102 mm
Power
45.5 hp33.9 kW
Fuel System
Solex 30FV carburetor
Compression Ratio
7:1
Rated Rpm
2200
Firing Order
1-2-4-3
Starter
electric
Starter Volts
12
Oil Capacity
7 qts6.6 L
Intake Valve Clearance
0.015 inches (hot)0.381 mm
Exhaust Valve Clearance
0.022 inches (hot)0.559 mm
Fuel Type
gasoline
Cylinders
4
Cooling
liquid-cooled
Engine Options
David Brown 2.7L 4-cyl diesel
David Brown 2.7L 4-cyl kerosene
David Brown 2.7L 4-cyl gasoline
Fuel Tank
11.5 gal (diesel/gas)43.5 L
Fuel Tank
10 gal (kerosene)37.9 L
Aux Fuel
1.5 gal5.7 L
900 / 03
Gears & controls
Transmission
Three gears (1-3) plus reverse (R) in two ranges (low/high).
David Brown 900 tractor - 179th Omagh Annual Agricultural Show 2019 - geograph.org.uk - 6206143 — Kenneth Allen, CC BY-SA 2.0. Resized; converted to WebP. David Brown 900 tractor - 179th Omagh Annual Agricultural Show 2019 by Kenneth Allen · Kenneth Allen · CC BY-SA 2.0commons.wikimedia.org source ↗
See it in action
Videos
Watch David Brown 900 videos from their original YouTube creators.
1957 David Brown 900 2.7 Litre 4-Cyl Diesel Tractor (40 HP) Ivanhoe Ploughing Match 2026
