David Brown 780

David Brown 780The David Brown 780 is a 2WD utility tractor manufactured by David Brown in Meltham Mills, Huddersfield, England from 1967 to 1971. The David Brown 780 is equipped with a 2.7 L (164.4 cu·in) three-cylinder diesel engine and a sliding gear with dry disc clutch transmission with 12 forward and 4 reverse gears.

The David Brown 780 utility tractor used the David Brown engine. It is a 2.7 L, 2,694 cm2, (164.4 cu·in) three-cylinder natural aspirated diesel engine with 100.0 mm (3.94 in) of the cylinder bore and 114.0 mm (4.49 in) of the piston stroke. The compression ratio rating is 17.0:1. This engine produced 46.6 PS (34.3 kW; 46.0 HP) at 2,000 rpm of output power.

The David Brown 780 is equipped with manual steering, mechanical drum brakes, open operator station, and 36.0 liters (9.5 US gal.; 7.9 Imp. gal) fuel tank.

David Brown 780 Specifications

General Specifications
ModelDavid Brown 780
Length2,830 mm (111.4 in)
Width1,620 mm (63.8 in)
Height2,090 mm (82.3 in)
Wheel base1,920 mm (75.6 in)
Ground clearance290 mm (11.4 in)
Weight1,575 kg (3,472 lbs)
Fuel tank capacity36.0 liters (9.5 US gal.; 7.9 Imp. gal)
Cabin typeOpen operator station
Engine modelDavid Brown
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement2.7 L, 2,694 cm2, (164.4 cu·in)
Bore and stroke100.0 mm X 114.0 mm (3.94 in X 4.49 in)
Compression ratio17.0:1
Horsepower46.6 PS (34.3 kW; 46.0 HP) at 2,000 rpm
Oil capacity:6.2 L (6.6 US. qt, 5.5 Imp. qt.)
Coolant capacity:9.5 L (10 US. qt, 8.4 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typeManual
BrakesMechanical drum
Transmission model
Transmission typeSliding gear with dry disc clutch
Gears12 forward and 4 reverse
Transmission oil capacity22.7 L (6 US. gal, 5 Imp. gal.)
Front tiresAg: 6.00-16
Rear tiresAg: 12.4/11-28
Three-Point Hitch
Control type
Lift capacity (at ends)1,600 kg (3,530 lbs)
PTO (Power take-off shaft)
Rear PTO typeLive
Rear PTO speed540/1,000 rpm
Hydraulic system
Hydraulic type
Pressure2000 psi (137.9 bar)
Pump flow7.4 gpm (28 lpm)
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