Complex sentence: This locomotive was withdrawn in 1843 but rebuilt and returned to service in 1846 with 6ft 0in driving and 3ft 0in carrying wheels with15in × 18in cylinders; at some time it was also converted to run as a 2-2-2T tank locomotive.
Split into simpler sentences: This locomotive was withdrawn in 1843 but was rebuilt and returned to service in 1846. It now had 6ft 0in driving and 3ft 0in carrying wheels, with 15in × 18in cylinders; at some time it was also converted to run as a 2-2-2T tank locomotive.