GWR 4500 Class (Small Prairie)

Three GWR 4500 Class engines survive: 4555 Warrior, bought in working order straight from British Railways and never needing restoration, currently on loan to the Chinnor & Princes Risborough Railway; 4561, under extensive overhaul on the West Somerset Railway and out of service since 1998; and 4566, stored out of service on the Severn Valley Railway awaiting overhaul, having been withdrawn in January 2017.