David Brown Selectamatic 770, 780, 880, 990, 1200 ⚙️ Specs

Technical Specifications of the David Brown Selectamatic 770 agricultural tractor:

David Brown 770 Selectamatic agricultural tractor was produced from 1965 to 1970. It is equipped with a DB AD3/49 engine, consisting of three cylinders, without a turbo and intercooler, with a displacement of 2400 cm³. The piston dimensions are 100 mm, and the piston stroke is 101.6 mm. The engine reaches a maximum power of 36 HP at 2000 RPM and a torque of 137 Nm at 1200 RPM. The tractor has two gearbox options: 6 forward gears and 2 reverse gears or 12 forward gears and 4 reverse gears. The speed range is from 3.2 km/h to 26.2 km/h, with a maximum speed of 27.9 km/h. The hydraulic pump has a capacity of 22.7 liters per minute. The rear hitch is mechanically controlled and has a maximum lifting capacity of 1200 kg. The power take-off (PTO) operates at a speed of 540 RPM. David Brown 770 is equipped with a mechanically controlled braking system. The turning radius is 6.7 meters for the 2WD version. The front tires are sized 6.00-16, while the rear tires are 12.4-28. The total weight is 1720 kg for the 2WD version. The tractor height with cab is 142 cm, the length is 290 cm, and the width is 196 cm. The fuel tank capacity is 36 liters.

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Technical Data Sheet for David Brown Selectamatic 880, 770, 780, 990, 1200 agricultural tractors:

Model David Brown Selectamatic 770 David Brown Selectamatic 780 David Brown Selectamatic 880 David Brown Selectamatic 990 David Brown Selectamatic 1200
Years of production 65-70 67-71 65-71 65-71 67-68
Engine designation/type DB AD3/49 DB AD3/35 DB AD3/55 DB AD4/47 DB AD4/45
Number of cylinders / Turbo / Intercooler 3 3 3 4 4
Engine displacement (cm³) 2400 2695 2695 3045 3592
Piston diameter / Stroke (mm) 100×101,6 100×114,3 100×114,3 92,1×114,3 100×114,3
Maximum engine power (HP) / at RPM 36/2000 46/2200 46/2200 55/2200 67/2300
Torque (Nm) / at RPM 137/1200 172/1200 172/1200 209/1200 247/1200
Number of gearbox speeds (forward + reverse) 6+2/12+4 6+2/12+4 6+2/12+4 6+2/12+4 6+2/12+4
Number of synchronized gears (forward + reverse)

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Fast gearbox / Power shift
Reverser type
Speed range (km/h) 3,2-26,2 4,3-29,2 3,3-26,0 4,0-23,7 4,0-23,7
Maximum speed (km/h) 27,9 27 27
Hydraulic pump capacity (L/min) 22,7 22,7 22,7 22,7 22,7(50)
Rear three-point hitch (TUV) control type mech mech mech mech mech
Maximum rear three-point hitch (TUV) lift capacity (kg) 1200 1200 1200 1500 1940/2080
Power take-off (PTO) speed (RPM) 540 540 540/1000 540/1000 540/1000
Type of disc brake (dry/wet)
Brake system control type mech mech mech mech mech
Turning radius 2WD (m) 6,7 6,28 6,4 7 7
Turning radius 4WD (m)

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Front tire size 2WD 6,00-16 6,00-16 6,00-16 7,50-16 7,50-16
Front tire size 4WD
Rear tire size 2WD 12,4-28 12,4-28 12,4-32 12,4-36 12,4-36
Rear tire size 4WD
Total weight 2WD (kg) 1720 1690 1800 2200 2610
Total weight 4WD (kg)
Total height with cabin (cm) 142 150 163 164 164
Total length (cm) 290 308 315 363 363
Total width (cm) 196 190,5 203 200 225
Fuel tank capacity (L) 36 36 52,3 61,4 81,7
Cabin noise level (dB)

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