Equipment

Brands

David Brown 780 Tractor (1967-1971)

Manufacturer:

David Brown

Price:

4,000(USD)

Series:

Model:

780

Factory:

Meltham Mills, Huddersfield, England

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

negative