David Brown 770 Selectamatic

David Brown 770 Selectamatic Utility tractor Technical Specifications

David Brown 770 Selectamatic is a Row-Crop tractor that was produced by the John Deere between 1965 – 1970.

Below you will find detailed technical specifications for David Brown 770 Selectamatic 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 770 Selectamatic Production

Manufacturer: David Brown
Type: Utility tractor
Factory: Meltham Mills, Huddersfield, England
Original price: $3,600 (1970 )

David Brown 770 Selectamatic Electrical

Ground: negative
Battery volts: 12
Battery AH: 96

David Brown 770 Selectamatic Mechanical

Chassis: 4×2 2WD
Final drives: spur gear
Differential lock: mechanical rear
Steering: manual
Brakes: mechanical drum
Cab: Open operator station.
Transmission: 12-speed gear


Type: open center
Pressure: 2000 psi
137.9 bar
Pump flow: 6.6 gpm
25.0 lpm

Tracktor Hitch

Rear Type: I
Control: position and draft control
Rear lift (at ends): 1600 lbs
725 kg

Power Take-off (PTO)

Rear PTO: live
Rear RPM: 540 (1.375)
Engine RPM: 540@1620

David Brown 770 Selectamatic Engine detail

Engine Detail
David Brown AD3/49
Displacement: 146.1 ci
2.4 L
Bore/Stroke: 3.94×4.00 inches
100 x 102 mm
Power: 36 hp
26.8 kW
Fuel system: direct injection
Compression: 17:1
Rated RPM: 2055
Idle RPM: 700-2000
Torque: 100 lb-ft
135.6 Nm
Torque RPM: 1400
Firing order: 1-2-3
Starter: electric
Starter volts: 12
Oil capacity: 7.8 qts
7.4 L
Coolant capacity: 12 qts
11.4 L

David Brown 770 Selectamatic Transmission overview

Engine Oil

Type: gear
Gears: 12 forward and 4 reverse
Clutch: dry disc
Oil capacity: 28.8 qts
27.3 L

David Brown 770 Selectamatic Dimensions

Wheelbase: 75 inches
190 cm
Length: 112.5 inches
285 cm
Width: 64 inches
162 cm
Height (steering wheel): 55.5 inches
140 cm
Height (exhaust): 80.5 inches
204 cm
Clearance (drawbar): 11 inches
27 cm
Front tread: 48/52/56/60/64/68/72/76 inches
121/132/142/152/162/172/182/193 cm
Rear tread: 48/52/56/60/64/68/72/76 inches
121/132/142/152/162/172/182/193 cm

David Brown 770 Weight
Shipping: 3110 lbs
1410 kg
Operating: 3270 lbs
1483 kg
Max capacity: 4470 lbs
2027 kg


Is David Brown 770 Selectamatic a good tractor?

The David Brown 770 Selectamatic 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 770 Selectamatic take?

Check out the David Brown 770 Selectamatic 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 770 Selectamatic?

The David Brown 770 Selectamatic was an agricultural tractor model made from 1965 – 1970

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