| Tractor Type | Utility Tractor |
|---|---|
| Manufacturer | David Brown |
| Model | 770 Selectamatic |
| Horsepower TOP | 35.9 HP (26.8 kW) |
| Weight TOP | 3273.9 lbs (1485.0 kg) |
| Transmission Type TOP | Gear type with dry disc clutch |
| Length TOP | 112.2 in. (285.0 cm) |
| Years Made | 1965-1970 |
| Engine Model | David Brown AD3/49 |
| Engine Type | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel |
| Cylinders | 3 |
| Horsepower | 35.9 HP (26.8 kW) |
| Displacement | 146.1 cu in. (2394 cc) |
| Bore | 3.94 in. (10.01 cm) |
| Stroke | 4.02 in. (10.21 cm) |
| Rear PTO Type | Live |
| Rear PTO Speed | 540 RPM |
| Torque Power | 1400 RPM |
| Torque Speed | 100.0 lb-ft (135.6 N·m) |
| Rated RPM | 2055 RPM |
| Compression Ratio | 17.0:1 |
| Battery | 12V, 96Ah |
| Starter | Electric |
| Length | 112.2 in. (285.0 cm) |
| Height | 80.3 in. (204.0 cm) |
| Wheelbase | 74.8 in. (190.0 cm) |
| Fuel Tank Capacity | 11.4 gal (43.0 l) |
| Oil Capacity | 2.0 gal (7.4 l) |
| Coolant Capacity | 3.0 gal (11.4 l) |
| Transmission Oil Capacity | 7.2 gal (27.3 l) |
| Transmission Type | Gear type with dry disc clutch |
| Final Drive | Spur gear |
| Gears | 12 forward and 4 reverse |
| Chassis | 4×2 2WD |
| Max. Travel Speed | Forward: 14.8 MPH (23.8 km/h) Reverse: 8.0 MPH (12.9 km/h) |
| Brakes | Mechanical drum |
| Differential Lock | Mechanical rear |
| Drawbar Category | I |
| Cabin Type | Open operator station |
| Hitch Type | Position and draft control |
| Steering Type | Manual |
| Front Tires | Ag: 6.00-16, 5.50-16 |
| Rear Tires | Ag: 12.4/11-28, 11.2/10-28 |
| Hydraulic Type | Open center |
| Working Pressure | 2000.0 psi (137.9 bar) |
| Weight | 3273.9 lbs (1485.0 kg) |
David Brown 770 Selectamatic Specs (Weight, Lift Capacity, Hp, Dimensions)
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