David Brown 780 - Horsepower, Weight, Specs, Problems, Price & More
The David Brown 780 tractor is powered by a David Brown 2.7L 3-cyl diesel engine that provides of horsepower and torque. It has a 4x2 2WD drive configuration and a 12-speed/6-speed transmission.
Engine
The engine is not specified in the data provided. However, based on the model name 'David Brown 780', it can be assumed that the engine is a 3-cylinder liquid-cooled diesel engine with a displacement of 2.7 liters. The engine is capable of producing a gross power of 46 horsepower or 34.3 kilowatts. It has a compression ratio of 17:1 and a rated RPM of 2200. The engine has an oil capacity of 6.5 quarts or 6.2 liters and a coolant capacity of 10 quarts or 9.5 liters.
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Find Suppliers & Request SamplesTransmission
The transmission of the David Brown 780 tractor is a 12-speed/6-speed manual transmission. The engine gross power is 46 horsepower or 34.3 kilowatts, while the drawbar claimed power is 38.9 horsepower or 29.0 kilowatts. The maximum PTO power is 42.9 horsepower or 32.0 kilowatts, and the rated power at 540 RPM is 37.1 horsepower. The transmission is designed to provide smooth and efficient power transfer from the engine to the wheels, allowing the tractor to operate at different speeds and handle various tasks with ease.
Brakes
The brakes of the David Brown 780 tractor are mechanical drum brakes. The tractor is equipped with a 3-cylinder liquid-cooled diesel engine with a displacement of 2.7 liters. The bore/stroke ratio is 3.9375x4.50 inches or 100 x 114 mm. The engine is capable of producing a gross power of 46 horsepower or 34.3 kilowatts, with a compression ratio of 17:1. The rated RPM of the engine is 2200, and the idle RPM ranges from 700 to 2200. The brakes are designed to provide reliable stopping power and ensure the safety of the operator and the equipment.
Steering
The steering of the David Brown 780 tractor is manual. The tractor is equipped with a 3-cylinder liquid-cooled diesel engine with a displacement of 2.7 liters. The fuel tank has a capacity of 9.5 gallons or 36.0 liters. The steering system is designed to provide precise and responsive control of the tractor, allowing the operator to maneuver the equipment with ease. The manual steering system is simple and reliable, requiring minimal maintenance and repair.
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Find Suppliers & Request SamplesCommon Problems
Some common problems reported by users of the David Brown 780 tractor include issues with the clutch, transmission, and brakes. The clutch may fail to engage or disengage properly, causing difficulty in shifting gears. The transmission may experience problems with shifting or may fail to engage in certain gears. The brakes may wear out quickly or fail to provide sufficient stopping power, leading to safety concerns. These issues can be addressed through regular maintenance and repair of the equipment.
What Users Like
Users of the David Brown 780 tractor appreciate its powerful engine, reliable transmission, and responsive steering. The tractor is capable of handling various tasks with ease, from plowing fields to hauling heavy loads. The ag front tires and ag rear tires provide excellent traction and stability, allowing the tractor to operate on different terrains. The fuel tank has a capacity of 9.5 gallons or 36.0 liters, providing sufficient fuel for long hours of operation. Overall, users find the David Brown 780 tractor to be a reliable and efficient piece of equipment for their farming and agricultural needs.
David Brown 780 Technical Specifications
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. |
Engine Detail | |
| Description | 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 |
Engine | |
| Description | David Brown 2.7L 3-cyl diesel |
| Fuel Tank | 9.5 gal/36.0 L |
Mechanical | |
| Chassis | 4x2 2WD |
| Steering | manual |
| Brakes | mechanical drum |
| Transmissions | 12-speed/6-speed |
Tires | |
| Ag Front | 6.00-16 |
| Ag Rear | 12.4/11-28 |
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 |
Dimensions And Tires | |
| Wheelbase | 75.8 inches/192 cm |
| Weight | 3,470 lbs/1573 kg |
| Front Tire | 6.00-16 |
| Rear Tire | 12.4/11-28 |
Serial Numbers | |
| Location | Front-right side of chassis, just behind the radiator |
| 1967 | 600001 |
| 1968 | 600879 |
| 1969 | 602853 |
| 1970 | 606109 |
| 1971 | 609665 |
Hydraulics | |
| Pressure | 2000 psi/137.9 bar |
| Pump Flow | 7.4 gpm/28.0 lpm/SAE20W30/SAE20W40 |
Tractor Hitch | |
| Rear Type | I |
| Rear Lift | 1600 lbs/725 kg |
Electrical | |
| Ground | negative |
Power Take Off Pto | |
| Rear Pto | live |
| Rear Rpm | 540/1000 |
| Engine Rpm | 540@1828/1000@2000 |
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