David Brown 780

David Brown 780 Technical Specifications

David Brown 780 is a Row-Crop tractor that was produced by the John Deere between 1967 – 1971.

Below you will find detailed technical specifications for David Brown 780 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

David Brown 780 Production














Manufacturer:
Manufacturer: David Brown
Factory: Meltham Mills, Huddersfield, England
Total built: 8,986
Original price: $4,000 (1971 )


David Brown 780 Power









Engine:
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.










David Brown 780 Engine
David Brown 2.7L 3-cyl diesel
Fuel tank: 9.5 gal
36.0 L




















Mechanical
Chassis: 4×2 2WD
Steering: manual
Brakes: mechanical drum
Transmissions: 12-speed
  6-speed




David Brown 780 photos…













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


















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 …























780 Serial Numbers
Location: Front-right side of chassis, just behind the radiator
1967: 600001
1968: 600879
1969: 602853
1970: 606109
1971: 609665

David Brown 780 Electrical




Ground: negative

David Brown 780 Mechanical


















Chassis: 4×2 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

Tracktor 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 Engine detail





































Engine Detail
David Brown
diesel
3-cylinder
liquid-cooled
Displacement: 164.4 ci
2.7 L
Bore/Stroke: 3.9375×4.50 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 Transmission overview

Engine Oil












Transmission: sliding gear
Gears: 12 forward and 4 reverse
Clutch: dry disc
Oil capacity: 24 qts
22.7 L

David Brown 780 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

FAQ

Is David Brown 780 a good tractor?

The David Brown 780 is one of the great tractors in the David Brown stable, and it has earned David Brown a fantastic reputation.

How much oil does a David Brown 780 take?

Check out the David Brown 780 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year David Brown made the ?

The David Brown 780 was an agricultural tractor model made from 1967 – 1971

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