The 1Q13 Network Rail's 07.10 from Crewe C.S. (L&Nwr Site) to Landore T.M.D Track Testing Train, is seen arriving and departing Llandeilo Station on the Heart of Wales Line in the charge of DRS 37682 (D6936) with 31106 at the rear
. Although scheduled to wait at Llandeilo Jnc for some two hours, the train departed immediately for Llanelli to reverse for the remainder of the journey to Swansea.