David Brown 770 Specifications

General Information

What are the basic details of the David Brown 770 Selectamatic?

• Date of production: 1965 to 1970
• Series: Selectamatic
• Type: Utility tractor
• Manufacturer: David Brown
• Factory: Meltham Mills, Huddersfield, England
• Original price: $3,600 (1970)

Horsepower

How much horsepower does the David Brown 770 have?

• Engine: 36 hp (26.8 kW)
• PTO (claimed): 32 hp (23.9 kW)
• Plows: 2

Engine

What type of engine does the David Brown 770 have?

• Model: David Brown 2.4L 3-cyl diesel
• Fuel tank capacity: 11.4 gal (43.1 L)

Mechanical

What are the mechanical features of the David Brown 770?

• Chassis: 4x2 2WD
• Final drives: spur gear
• Differential lock: mechanical rear
• Steering: manual
• Brakes: mechanical drum
• Cab: Open operator station
• Transmission: 12-speed gear

Hydraulics

What are the hydraulics specifications of the David Brown 770?

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

Tractor Hitch

What type of hitch does the David Brown 770 have?

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

Power Take-off (PTO)

What are the details of the PTO on the David Brown 770?

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

Dimensions & Tires

What are the dimensions and tire specifications of the David Brown 770?

• Wheelbase: 75 inches (190 cm)
• Weight: 3110 to 3270 pounds
• Front tire: 6.00-16
• Rear tire: 12.4/11-28

Belt Pulley

What are the belt pulley specifications of the David Brown 770?

• Diameter: 8.5 inches (21 cm)
• Width: 5.2 inches (13 cm)
• RPM: 2023
• Speed: 3100 ft/min (944.88 meters/min)

Electrical

What are the electrical specifications of the David Brown 770?

• Ground: negative
• Battery volts: 12
• Battery AH: 96