David Brown 780
The David Brown 780 is a tractor produced by David Brown. It is equipped with a 164.4 ci 2.7 L engine. The rated power output is 46 hp 34.3 kW. Transmission: sliding gear. Operating weight: 3,470 lbs 1573 kg.
Engine Power
46 hp
34.3 kW
Fuel & Capacities
9.5 gal
36.0 L
Transmission
sliding gear
Operating Weight
3,470 lbs
1573 kg
David Brown 780 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
 | 1967 - 1971 | 1967 - 1971 |
|---|
Production | |
|---|---|
Manufacturer | David Brown |
Built in Meltham Mills, Huddersfield, England | |
Total built | 8,986 |
Original price was $4,000 in 1971 | |
David Brown 780 Engine | |
|---|---|
David Brown 2.7L 3-cyl diesel | |
Fuel tank | 9.5 gal
36.0 L |
Engine details ...  | |
David Brown 780 Power | |
|---|---|
Engine (gross) | 46 hp
34.3 kW |
Drawbar (claimed) | 38.9 hp
29.0 kW |
PTO (claimed) | 42.9 hp*Maximum PTO power. Rated power at 540 RPM was 37.1 HP.
32.0 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Mechanical drum brakes |
Hydraulics | |||||
|---|---|---|---|---|---|
Pressure | 2000 psi
137.9 bar | ||||
Pump flow | 7.4 gpm
28.0 lpm | ||||
Oil type | SAE20W30SAE20W40 | SAE20W30 | SAE20W40 | ||
SAE20W30 | |
|---|---|
SAE20W40 |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift | 1600 lbs
725 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Rear PTO Type | 540/1000 |
Engine RPM | 540@1828 |
1000@2000 | |
Dimensions & Tires | |
|---|---|
Wheelbase | 75.8 inches
192 cm |
Weight | 3,470 lbs
1573 kg |
Front tire | 6.00-16 |
Rear tire | 12.4/11-28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Engine
Engine Detail — 164.4 ci / 2.7 L Diesel
Manufacturer | David Brown |
Fuel Type | Diesel |
Configuration | 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 |
Transmission
Transmission options | |
|---|---|
12-speed | |
6-speed |
Transmission — sliding gear
Transmission | sliding gear |
Gears | 12 forward and 4 reverse |
Clutch | dry disc |
Oil capacity | 24 qts
22.7 L |
Transmission — 6 forward and 2 reverse
Gears | 6 forward and 2 reverse |
Clutch | dry disc |
Dimensions
David Brown 780 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 |
Photos
David Brown 780
David Brown 780 with German Fritzmeier cab.
Open station David Brown 780.
Rear view of the David Brown 780.
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