LBSCR Abergavenny Class

The LBSCR Abergavenny Class was an early group of locomotives associated with the London, Brighton and South Coast Railway from the 1860s under the superintendency of John Chester Craven, who served as LBSCR Locomotive Superintendent from 1847 to 1869. The Abergavenny designation covers locomotives acquired or built in the mid-to-late 1860s period when Craven was managing the LBSCR's heterogeneous Victorian fleet with characteristic individuality — Craven was known for producing a wide variety of locomotive types with little standardisation, a practice that caused considerable operational difficulty for his successor William Stroudley.

The name Abergavenny, while associated with a Welsh town rather than a Sussex location, may reflect a named locomotive or a class named after a specific engine that carried the name. Craven frequently named individual LBSCR locomotives, and some class designations derive from the names of specific members. Precise technical specifications for this early class are not fully documented in surviving records, and the classification of Craven-era LBSCR locomotives is complicated by the lack of systematic record-keeping during his tenure.

All Craven-era LBSCR locomotives were progressively withdrawn and replaced by Stroudley's standardised designs from 1870 onwards. None was preserved.