Tractor · 1953Unverified
David Brown 25
David Brown 25 · 32 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
32 hp
Max power
19.3 kW
Weight
1685 kg
Hover a source tag to verify
Overview
ManufacturerDavid BrownReference
Two-wheel driveReference
SteeringmanualReference
Mechanical shoe brakesReference
Open operator station.Reference
Variants
25Ddiesel engineReference
25Cpetrol engineReference
Engine
David Brown 2.5L 4-cyl dieselReference
David Brown 2.5L 4-cyl gasolineReference
David Brown 2.5L 4-cyl keroseneReference
Fuel tank48.1 LReference
Kerosene Fuel tank45.0 LReference
Aux. fuel6.8 LReference
Engine23.9 kWReference
Gas Drawbar (claimed)18.0 kWReference
Kerosene Drawbar (claimed)16.9 kWReference
Drawbar (tested)19.3 kWReference
Belt (tested)26.0 kWReference
David BrownReference
dieselReference
4-cylinderReference
liquid-cooledReference
Displacement2.5 LReference
Bore/Stroke89 x 102 mmReference
Power23.9 kWReference
Compression15.9:1Reference
Rated RPM1800Reference
Starter volts12Reference
gasolineReference
Air cleaneroil bathReference
Compression5.5:1Reference
Rated RPM1600Reference
keroseneReference
Compression4.7:1Reference
Belt power (max)26.0 kWReference
Max power19.3 kWReference
Transmission
6-speed gearReference
TypegearReference
Gears6 forward and 2 reverseReference
Clutchdry plateReference
PTO & Hydraulics
Total flow36.0 lpmReference
Rear lift589 kgReference
Rear PTO Type540Reference
Dimensions
Wheelbase189 cmReference
Weight1685 kgReference
Front tire6.00-19Reference
Rear tire11-28Reference
Ag front6.00-19Reference
Ag rear11-28Reference
Length287 cmReference
Ground clearance39 cmReference
Front tread125 to 157 cmReference
Rear tread121 to 172 cmReference
25 Serial Numbers
1954P25/14400Reference
1954P25/15896Reference
1955P25/16998Reference
1956P25/19041Reference
1957P25/?????Reference
1958P25/?????Reference
FinalP25/21318Reference
FAQ: How to read a serial number table.Reference
Electrical
Charging systemgeneratorReference
Test results
Gasoline 6-speed 2WDNovember 1 - 6, 1954Link: Nebraska Tractor Test 530 fileReference
Belt fuel use (max)12.5 l/hourReference
Drawbar performanceReference
Gear 4 used for power test.Reference
Max pull1482 kgReference
Gear 2 used for pull test.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.