Wikitractor

David Brown 25

Production ended · 2WD

Engine power

32 hp

Weight
3,715 lb
Engines
3 Diesel · Gasoline · Kerosene
Built
no record
Price new
no record

Power

Engine32 hp unspecified
PTOno record
Drawbar25.9 hp tested
Belt pulley34.9 hp tested
Listed power32 hp engine basis

Engines

David Brown 2.5L 4-cyl dieselDiesel · 4 cyl154 ci
David Brown 2.5L 4-cyl gasolineGasoline · 4 cyl154 ci
David Brown 2.5L 4-cyl keroseneKerosene · 4 cyl154 ci
Engine details
David Brown 2.5L 4-cyl diesel
Bore × stroke
3.5 in × 4 in
Rated speed
1,800 rpm
Rated power
32 hp
Compression
15.9:1
Cooling
liquid-cooled
David Brown 2.5L 4-cyl gasoline
Bore × stroke
3.5 in × 4 in
Rated speed
1,600 rpm
Compression
5.5:1
Cooling
liquid-cooled
David Brown 2.5L 4-cyl kerosene
Bore × stroke
3.5 in × 4 in
Rated speed
1,600 rpm
Compression
4.7:1
Cooling
liquid-cooled

Transmissions

6-speed geargear6F / 2R

Weight

Weight3,715 lb unspecified

Dimensions

Wheelbase74.8 in
Length113 in
Ground clearance15.4 in
Front tread, narrowest49.5 in
Front tread, widest62 in
Rear tread, narrowest48 in
Rear tread, widest68 in

Capacities

Fuel tank12.7 gal
Auxiliary fuel1.8 gal

Hydraulics

Pump flowno record
Total flow9.5 gpm

Hitch

Rear lift capacity1,300 lb

PTO

Rear PTO speeds540

Chassis

Drive2WD
Steeringmanual
BrakesMechanical shoe brakes
CabOpen operator station

Tires

Front6.00-19
Rear11-28

Electrical

Charginggenerator

Production

Built byDavid Brown

Variants

  • 25D diesel engine
  • 25C petrol engine

Serial numbers

YearFirst serial
1954P25/14400
1954P25/15896
1955P25/16998
1956P25/19041
1957P25/?????
1958P25/?????
FinalP25/21318

Literature

  • Field Force David Brown, 1953
  • 25D David Brown, 1954
  • 25D Diesel David Brown, 1957