Home / Tractors / David Brown / 25 David Brown
25 Farm tractor · 1953–1958 · 32 hp
The David Brown 25 is a farm tractor manufactured from 1953 to 1958. It features a David Brown 2.5L 4-cyl diesel engine, two-wheel drive drive, and manual steering. The transmission is a gear type with 6 forward and 2 reverse.
Key Specifications
Horsepower 32 hp
Engine David Brown
Drive two-wheel drive
Steering manual
Weight 3,715 lbs Sections Overview Mechanical Steering manual Brakes mechanical shoe
Hydraulics Hydraulic Total Flow 9.5 gpm (36 lpm)
PTO & Hitch Rear Lift 1,300 lbs (589 kg)
Fuel Fuel Capacity Rops 12.7 gal (48.1 L)
Other Variant 25c petrol engine Variant 25d diesel engine Aux Fuel 1.8 gal (6.8 L) Operator Station open operator station Kerosene Fuel Tank 11.9 gal (45 L) Kerosene Drawbar Claimed 22.7 hp (16.9 kW)
Engine Engine David Brown Fuel Type diesel Cylinders 4-cylinder Cooling liquid-cooled Displacement 154 ci (2.5 L) Bore 3.5 in (89 mm) Bore Stroke 3.50x4.00 in (89 x 102 mm) Stroke 4 in (102 mm) Compression Ratio 15.9 Power 32 hp (23.9 kW) Starter Volts 12 Rated 1,800 RPM Manufacturer David Brown
Option 1 Engine David Brown Cooling liquid-cooled Power 32 hp (23.9 kW) Cylinders 4-cylinder Fuel Type diesel Rated 1,800 RPM Bore 3.5 in (89 mm) Manufacturer David Brown Starter Volts 12 Stroke 4 in (102 mm) Displacement 154 ci (2.5 L) Compression Ratio 15.9 Bore Stroke 3.50x4.00 in (89 x 102 mm)
Option 2 Engine David Brown Cooling liquid-cooled Cylinders 4-cylinder Fuel Type gasoline Rated 1,600 RPM Air Cleaner oil bath Bore 3.5 in (89 mm) Manufacturer David Brown Starter Volts 12 Stroke 4 in (102 mm) Displacement 154 ci (2.5 L) Compression Ratio 5.5 Bore Stroke 3.50x4.00 in (89 x 102 mm)
Option 3 Engine David Brown Cooling liquid-cooled Cylinders 4-cylinder Fuel Type kerosene Rated 1,600 RPM Bore 3.5 in (89 mm) Manufacturer David Brown Stroke 4 in (102 mm) Displacement 154 ci (2.5 L) Compression Ratio 4.7 Bore Stroke 3.50x4.00 in (89 x 102 mm)
Dimensions Length 113 in (287 cm) Wheelbase 74.8 in (189 cm) Ground Clearance 15.4 in (39 cm) Front Tread 49.5 in (125 cm) Front Tread Range 49.5 to 62 inches 125 to 157 cm Rear Tread 48 in (121 cm) Rear Tread Range 48 to 68 inches 121 to 172 cm Weight 3,715 lbs (1,685 kg) Tires Ag Front 6.00-19 Tires Ag Rear 11-28
Transmission Transmission Type gear Gears 6 forward and 2 reverse Clutch dry plate
Test Results Fuel Type Gasoline Test Date November 1 - 6, 1954 Test Link Nebraska Tractor Test 530 file Test Number 530 Pull Test Gear 2 Test Reference Nebraska Tractor Test 530 Power Test Gear 4 Belt Power Max 34.89 hp (26 kW) Transmission Type 6-speed Drawbar Max Power 25.88 hp (19.3 kW) Drawbar Max Pull 3,269 lbs (1,482 kg) Belt Fuel Use Max 3.3 gal/hr (12.5 L/hr)