G.M.E. SOUND CAM 3.5mm AXLE 6 POINT 3 CYL,SHAY LOCO PFM PBL DCC S,Sn3,ON30,On3,O August 16, 2026 By 0 3 CYLINDER SHAY LOCOMOTIVES. EASY INSTALL SOUND CAM. FITS 3.5mm AXLE.