Tractor · 1956Unverified
David Brown 900
David Brown 900 — Row-Crop tractor · 46 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
46 hp
Weight
3900 to 4000 pounds
Hover a source tag to verify
Overview
ManufacturerDavid BrownReference
Row-Crop tractorReference
Two-wheel driveReference
SteeringmanualReference
Mechanical drum brakesReference
Open operator station.Reference
Engine
David Brown 2.7L 4-cyl dieselReference
David Brown 2.7L 4-cyl keroseneReference
David Brown 2.7L 4-cyl gasolineReference
Fuel tank43.5 LReference
Fuel tank37.9 LReference
Aux. fuel5.7 LReference
Engine33.9 kWReference
Belt (claimed)23.9 kWReference
Belt (claimed)26.1 kWReference
Belt (claimed)29.8 kWReference
David Brown AD4/30HReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement2.7 LReference
Bore/Stroke92 x 102 mmReference
Power29.8 kWReference
Compression15.9:1Reference
Rated RPM2200Reference
Torque142.4 NmReference
Torque RPM1300Reference
Firing order1-2-4-3Reference
Starter typeelectricReference
Oil capacity6.6 LReference
Coolant capacity13.2 LReference
Intake valve clearance0.381 mmReference
Exhaust valve clearance0.381 mmReference
David Brown AK4/30HReference
keroseneReference
Power28.0 kWReference
Fuel systemSlex 30FV carburetorReference
Compression4.7:1Reference
Torque149.2 NmReference
Torque RPM1000Reference
StarterelectricReference
Starter volts12Reference
Exhaust valve clearance0.559 mmReference
David Brown AG4/30HReference
gasolineReference
Power30.2 kWReference
Fuel systemSolex 30FV carburetorReference
Compression5.5:1Reference
David Brown PAG4/30HReference
High-compression gasoline engine for premium fuel.Reference
Power33.9 kWReference
Compression7:1Reference
Transmission
6-speedReference
TransmissionDavid BrownReference
Gears6 forward and 2 reverseReference
Clutch254mm dry discReference
Oil capacity15.1 LReference
Three gears (1-3) plus reverse (R) in two ranges (low/high).Reference
PTO & Hydraulics
Rear TypeIReference
Rear lift (at ends)816 kgReference
Rear PTOtransmissionReference
Rear PTOlive (optional)Reference
Rear PTO Type540Reference
Engine RPM545@1600Reference
Dimensions
Wheelbase182 cmReference
Weight3900 to 4000 poundsReference
Front tire11.00x28Reference
Standard tires (ag)Front: 11.00x28. Rear:Reference
Standard tires (ag)Front: 13x28. Rear:Reference
Ag front6.00x16Reference
Ag rear11.25x28Reference
Ag rear5.50x16Reference
Length287 cmReference
Width165 cmReference
Height197 cmReference
Height (hood)138 cmReference
Diesel Weight1814 kgReference
Kerosene Weight1769 kgReference
Clearance (front axle)40 cmReference
Front tread132/142/152/162/172/182/218 cmReference
Rear tread132/142/152/162/172/182/218 cmReference
Capacities
Diameter21 cmReference
Width14 cmReference
RPM1405Reference
Speed952.50 meters/minReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.