Equipment

Brands

David Brown 25 Tractor (1953-1958)

Manufacturer:

David Brown

Price:

N/A

Series:

Model:

25

Factory:

Full Specifications

VARIANTS

25D

diesel engine

25C

petrol engine

NEBRASKA TRACTOR TEST 530 2

Description

Gasoline 6-speed 2WD/November 1 - 6, 1954/Link: Nebraska Tractor Test 530 file/Drawbar performance/Gear 4 used for power test./Gear 2 used for pull test.

Belt power (max)

34.89 hp/26.0 kW

Belt fuel use (max)

3.3 gal/hour/12.5 l/hour

Max power

25.88 hp/19.3 kW

Max pull

3,269 lbs/1482 kg

DAVID BROWN 25 POWER

Engine

32 hp/23.9 kW

Gas Drawbar (claimed)

24.1 hp/18.0 kW

Kerosene Drawbar (claimed)

22.7 hp/16.9 kW

Drawbar (tested)

25.88 hp/19.3 kW

Belt (tested)

34.89 hp/26.0 kW

ENGINES OVERVIEW

Description

David Brown 2.5L 4-cyl diesel/David Brown 2.5L 4-cyl gasoline/David Brown 2.5L 4-cyl kerosene

ENGINE DETAIL 1

Description

David Brown/diesel/4-cylinder/liquid-cooled

Displacement

154 ci/2.5 L

Bore/Stroke

3.50x4.00 inches/89 x 102 mm

Power

32 hp/23.9 kW

Compression

15.9:1

Rated RPM

1800

Starter volts

12

ENGINE DETAIL 2

Description

David Brown/gasoline/4-cylinder/liquid-cooled

Displacement

154 ci/2.5 L

Bore/Stroke

3.50x4.00 inches/89 x 102 mm

Air cleaner

oil bath

Compression

5.5:1

Rated RPM

1600

Starter volts

12

ENGINE DETAIL 3

Description

David Brown/kerosene/4-cylinder/liquid-cooled

Displacement

154 ci/2.5 L

Bore/Stroke

3.50x4.00 inches/89 x 102 mm

Compression

4.7:1

Rated RPM

1600

DAVID BROWN 25 ENGINES

Description

David Brown 2.5L 4-cyl diesel/David Brown 2.5L 4-cyl gasoline/David Brown 2.5L 4-cyl kerosene

Fuel tank

12.7 gal/48.1 L

Kerosene Fuel tank

11.9 gal/45.0 L

Aux. fuel

1.8 gal/6.8 L

TRANSMISSION

Type

gear

Gears

6 forward and 2 reverse

Clutch

dry plate

MECHANICAL

Chassis

4x2 2WD

Steering

manual

Brakes

mechanical shoe

Cab

Open operator station.

Transmission

6-speed gear

HYDRAULICS

Total flow

9.5 gpm/36.0 lpm

TRACTOR HITCH

Rear lift

1,300 lbs/589 kg

POWER TAKE-OFF (PTO)

Rear RPM

540

DAVID BROWN 25 TIRES

Ag front

6.00-19

Ag rear

11-28

DIMENSIONS

Wheelbase

74.8 inches/189 cm

Length

113 inches/287 cm

Weight

3,715 lbs/1685 kg

Ground clearance

15.4 inches/39 cm

Front tread

49.5 to 62 inches/125 to 157 cm

Rear tread

48 to 68 inches/121 to 172 cm

DIMENSIONS & TIRES

Wheelbase

74.8 inches/189 cm

Weight

3,715 lbs/1685 kg

Front tire

6.00-19

Rear tire

11-28

25 SERIAL NUMBERS

1954

P25/15896

1955

P25/16998

1956

P25/19041

1957

P25/

1958

P25/

Final

P25/21318

ELECTRICAL

Charging system

generator