| Tractor Type | Utility Tractor |
|---|---|
| Manufacturer | David Brown |
| Model | 990 Selectamatic |
| Horsepower TOP | 58.1 HP (43.3 kW) |
| Weight TOP | 2WD: 5754.1 lbs (2610.0 kg) 4WD: 6702.0 lbs (3040.0 kg) |
| Lift Capacity TOP | 1999.6 lbs (907.0 kg) |
| Transmission Type TOP | Partially synchronized with dry disc clutch |
| Length TOP | 128.7 in. (327.0 cm) |
| Years Made | 1971-1980 |
| Engine Model | David Brown |
| Engine Type | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel |
| Cylinders | 4 |
| Horsepower | 58.1 HP (43.3 kW) |
| Displacement | 195.0 cu in. (3195 cc) |
| Bore | 3.94 in. (10.01 cm) |
| Stroke | 4.02 in. (10.21 cm) |
| Rear PTO Type | Transmission or live |
| Rear PTO Speed | 540/1000 RPM |
| Rated RPM | 2200 RPM |
| Compression Ratio | 17.0:1 |
| Battery | 12V, 96Ah |
| Starter | Electric |
| Length | 128.7 in. (327.0 cm) |
| Wheelbase | 81.9 in. (208.0 cm) |
| Ground Clearance | 2WD: 20.9 in. (53.0 cm) 4WD: 15.0 in. (38.0 cm) |
| Fuel Tank Capacity | 17.9 gal (67.8 l) |
| Oil Capacity | 2.0 gal (7.5 l) |
| Coolant Capacity | 3.7 gal (14.0 l) |
| Transmission Oil Capacity | 7.1 gal (27.0 l) |
| Transmission Type | Partially synchronized with dry disc clutch |
| Gears | 12 forward and 4 reverse |
| Chassis | 4×2 2WD or 4×4 MFWD 4WD |
| Brakes | Hydraulic drum |
| Drawbar Category | II/I |
| Cabin Type | Weather frame cab |
| Steering Type | Hydrostatic power |
| Front Tires | Ag: 6.00-19 , 9.5-24 |
| Rear Tires | Ag: 12.4-36 |
| Hydraulic Type | Open center |
| Total Flow | 7.4 GPM (28.0 LPM) |
| Working Pressure | 2000.0 psi (137.9 bar) |
| Lift Capacity | 1999.6 lbs (907.0 kg) |
| Weight | 2WD: 5754.1 lbs (2610.0 kg) 4WD: 6702.0 lbs (3040.0 kg) |
David Brown 990 Selectamatic Specs (Weight, Lift Capacity, Hp, Dimensions)
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