This is used in a number of Hornby locos, check service sheets for compatibility.
Hornby R3458 SR Schools Class 4-4-0 921 Shrewsbury OO Gauge DCC Ready Train
Hornby OO R317 Schools Westminster BR Green 30908 Loco Body, Tender Top & Box
Hornby OO SR Schools 4-4-0 Malachite Green Complete Rolling Chassis - Margate
