Oliver 990
Type: Standard-tread Tractors
Contents:
Production | |
| Manufacturer: | Oliver |
| Type: | Standard-tread tractor |
| Factory: | Charles City, Iowa, USA |
| Original price: | $8,200 (1961 ) |
| The Oliver 990 was also sold as the Massey Ferguson 98 (with different sheet metal, paint, and seat). | |
Oliver 990 Power | |
| Drawbar (claimed): | 61.4 hp 45.8 kW |
| PTO (claimed): | 84.1 hp 62.7 kW |
| Plows: | 6 |
| Drawbar (tested): | 61.46 hp 45.8 kW |
| Belt (tested): | 84.10 hp 62.7 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| Steering: | power |
| Brakes: | disc |
| Cab: | Open operator station. |
| Transmission: | 6-speed gear |
Power Take-off (PTO) | |
| Rear PTO: | independent*Optional |
| Rear RPM: | 540 |
990 Serial Numbers | |
| 1958: | 67828 |
| 1959: | 71245 |
| 1960: | 84487 |
| 1961: | 110064 |
| Final: | 115469 |
Engine Detail | |
| General Motors 3-71 | |
| blower diesel | |
| 3-cylinder | |
| liquid-cooled | |
| two-cycle engine with mechanical blower | |
| Displacement: | 213 ci 3.5 L |
| Bore/Stroke: | 4.25x5.00 inches 108 x 127 mm |
| Compression: | 17:1 |
| Rated RPM: | 1800 |
| Starter volts: | 12 |
Transmission | |
| Type: | gear |
| Gears: | 6 forward and 2 reverse |
| Clutch: | dry disc |
Dimensions | |
| Wheelbase: | 79.875 inches 202 cm |
| Weight: | 11,000 lbs 4989 kg |
| Front tread: | 59.9 inches 152 cm |
| Rear tread: | 66 inches 167 cm |
