Production | |
| Manufacturer: | David Brown |
| Factory: | Meltham Mills, Huddersfield, England |
| Total built: | 8,986 |
| Original price: | $4,000 (1971 ) |
David Brown 780 Power | |
| Engine (gross): | 46 hp 34.3 kW |
| Drawbar (claimed): | 38.9 hp 29.0 kW |
| PTO (claimed): | 42.9 hp 32.0 kW *Maximum PTO power. Rated power at 540 RPM was 37.1 HP. |
Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | manual |
| Brakes: | mechanical drum |
| Transmissions: | 12-speed |
| 6-speed | |
Hydraulics | |
| Pressure: | 2000 psi 137.9 bar |
| Pump flow: | 7.4 gpm 28.0 lpm |
| Oil type: | SAE20W30 |
| SAE20W40 | |
Tractor hitch | |
| Rear Type: | I |
| Rear lift: | 1600 lbs 725 kg |
Power Take-off (PTO) | |
| Rear PTO: | live |
| Rear RPM: | 540/1000 |
| Engine RPM: | 540@1828 1000@2000 |
780 Serial Numbers | |
| Location: | Front-right side of chassis, just behind the radiator |
| 1967: | 600001 |
| 1968: | 600879 |
| 1969: | 602853 |
| 1970: | 606109 |
| 1971: | 609665 |
Electrical | |
| Ground: | negative |
Engine Detail | |
| David Brown | |
| diesel | |
| 3-cylinder | |
| liquid-cooled | |
| Displacement: | 164.4 ci 2.7 L |
| Bore/Stroke: | 3.9375x4.50 inches 100 x 114 mm |
| Power (gross): | 46 hp 34.3 kW |
| Compression: | 17:1 |
| Rated RPM: | 2200 |
| Idle RPM: | 700-2200 |
| Firing order: | 1-2-3 |
| Oil capacity: | 6.5 qts 6.2 L |
| Coolant capacity: | 10 qts 9.5 L |
Dimensions | |
| Wheelbase: | 75.8 inches 192 cm |
| Length: | 111.75 inches 283 cm |
| Width: | 64 inches 162 cm |
| Height: | 82.5 inches 209 cm |
| Weight: | 3,470 lbs 1573 kg |
| Ground clearance: | 11.75 inches 29 cm |