Full Specifications
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.
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
DAVID BROWN 780 ENGINE
Description
David Brown 2.7L 3-cyl diesel
Fuel tank
9.5 gal/36.0 L
TRANSMISSIONS OVERVIEW
Description
12-speed/6-speed
TRANSMISSION 1
Transmission
sliding gear
Gears
12 forward and 4 reverse
Clutch
dry disc
Oil capacity
24 qts/22.7 L
TRANSMISSION 2
Gears
6 forward and 2 reverse
Clutch
dry disc
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/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
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
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
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
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