- Rigid chassis
- WhichTractor size: Utility
- Not independently tested
- 1965–1979
- 23,285 built
WhichTractor size, not the maker’s category
David Brown 990 Selectmatic Transmission specifications
11 transmission values on record for the 990 Selectmatic.
How fast will a 990 Selectmatic go?
The fastest speed on record for a 990 Selectmatic is 15.5 mph (25 km/h). The gearbox itself is not on record yet.
| Drive | 2WD |
|---|---|
| Forward gears | 6–12the article lists alternatives |
| Reverse gears | 2–4the article lists alternatives |
| Transmission as described | 6 forward/2 reverse and 12 forward/4 reverse |
| Clutch | pedal-operated dry Borg & Beck single-disc clutch |
| Top speed forward | 15.5 mph · 25 km/h |
| Top speed reverse | 7.6 mph · 12.31 km/hhighest reverse speed printed in the article's speed tables |
| Service brakes | mechanical drum brake in the drive trumpets |
| Steering | mechanical recirculating ball steering |
| Differential lock | pedal-operated differential lock |
| Front axle | swinging David Brown telescopic front axle |
Source · Traktorenlexikon, “David Brown 990”
Where this page comes from
11 transmission values from Traktorenlexikon, “David Brown 990”.
Sources
Facts taken from these documents, units converted. Numbers beside a figure refer to this list. Licences and attribution
- Traktorenlexikon: David Brown 990 — CC BY-SA 4.0, WIKIBOOKS-TL-93774 · revision 1024294. Wikibooks contributors (Traktorenlexikon). Original document