5199, GWR Large Prairie 5101 Class

Running number (BR/operator)	5199
Locomotive class	GWR 5101 Class (Large Prairie)
Power type	Steam
Owner / preservation society	Llangollen Railway
Operating status	Heritage railway service
Current livery	GWR Middle Chrome Green
Year built	1914

A preserved gwr 5101 large prairie class locomotive, built in 1914.

Last recorded as based at the Llangollen Railway. Operating status: Heritage railway service. Current livery: GWR Middle Chrome Green.

Location, livery and operating status last confirmed pre-2024 and subject to change. Check with the owning organisation or heritage railway for current information.

Additional notes

Location, livery and status last confirmed pre-2024, subject to verification.

Location not established. 5199 is owned by The 5199 Project, based at the Llangollen Railway, but it has not been there continuously: it worked on the West Somerset Railway and moved to the Battlefield Line in October 2023, with a ten-year overhaul due after that. This site previously recorded it flatly at Llangollen. No location is claimed until it can be confirmed. Flagged in August 2026.

Other survivors of this class

4110East Somerset Railway — 4110, GWR 5101 Class Large Prairie. One of ten Large Prairies preserved. Last confirmed at the East Somerset Railway as of August 2026.
4115Didcot Railway Centre — 4115, GWR 5101 Class Large Prairie. One of ten Large Prairies preserved. Last confirmed at the Didcot Railway Centre as of August 2026.
4121Tyseley Locomotive Works (Vintage Trains) — 4121, GWR 5101 Class Large Prairie. One of ten Large Prairies preserved. Last confirmed at the Tyseley Locomotive Works (Vintage Trains) as of August 2026.
4141Epping Ongar Railway — 4141, GWR 5101 Class Large Prairie. One of ten Large Prairies preserved. Last confirmed at the Epping Ongar Railway as of August 2026.
4144Didcot Railway Centre — A working-order Large Prairie 2-6-2T at Didcot Railway Centre.
4150Severn Valley Railway — 4150, a Large Prairie of the 5101 class built at Swindon in 1947, withdrawn in 1965 and bought out of Barry by The 4150 Fund in 1973 for GBP2,750. Restored on the Severn Valley Railway, it became the last SVR-based locomotive to be steamed in preservation on 1 June 2026, moved under its own power at Bridgnorth on 16 June and reached Kidderminster on a test train on 1 July. It is running in ahead of a hoped-for appearance at the 2026 Autumn Steam Gala.
4160South Devon Railway (heritage) — 4160, GWR 5101 Class Large Prairie. One of ten Large Prairies preserved. Last confirmed at the South Devon Railway (heritage) as of August 2026.
5164Severn Valley Railway — A working-order Large Prairie 2-6-2T at the Severn Valley Railway.
9351West Somerset Railway — A unique preservation conversion, the only Large Prairie rebuilt to a 4300 Mogul, completed at Williton on the West Somerset Railway in 2004.