No 37175 arrived at Bo'ness in September 2007.
The locomotive was delivered new to Cardiff Canton, and was transferred to Glasgow Eastfield in 1982, Plymouth Laira in 1986, Inverness in 1987, Eastfield in 1989, Inverness in 1992, Motherwell in 1994, and Toton in 1998. It was bought by BRE Ltd. for preservation in 2006, and operated traffic at the Severn Valley, Keighley & Worth Valley and East Lancs. railways before coming to Bo'ness. Full details of 37175's service history is available at the Class 37 Locomotive Group website, and details of activity at Bo'ness will be found at the SRPS Diesel Group website.