Complex sentence: In 1982, European dealers imported about 180 low-mileage Tridents from Saudi Arabia; the poorly-maintained, sand-encrusted machines were restored and sold as standard T160s.
Split into simpler sentences: In 1982, European dealers re-imported around 180 low mileage Tridents from Saudi-Arabia. These poorly-maintained and sand-encrusted machines were restored and sold as standard T160s.