37610 + 37057 Barbara Arbon 1Q23 15:28 Salisbury - Salisbury. The first pair of real locos on this test train since the pair of Colas 67s on 8th April 2021, and a pair of Colas 37s on 19th November 2020.
The test train coaches were 72612 + 975091 MENTOR + 72631 (PLPR1) + 6262.

37610 is leased to Colas. As a HNRC asset, this may have been sold to Swietelsky.

37610 was delivered new as D6881 from English Electric Robert Stephenson & Hawthorns at Darlington on 21st October 1963

975091 MENTOR, originally BSK S34615 delivered by Gloucester RC&W in October 1955 to Lot 30142, then configured with vacuum brake and dual heat.

37057 leading on the return.