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This former London Transport 0-6-0DH Sentinel diesel hydraulic shunter no. DL83 was on display at Wansford station on the Nene Valley Railway (NVR). Originally built in 1968 for an open-cast iron ore mine at Corby, it was one of three such locomotives acquired by London Transport in 1971. The last of the three Sentinels was withdrawn from service in March 1993.
Wansford station was opened on the Blisworth to Northampton and Peterborough line of the London and Birmingham Railway (L&BR) in June 1845. It closed to general passenger traffic in July 1957 and for freight traffic in July 1964. The station was reopened as part of the NVR in June 1977.
The Nene Valley Railway (NVR) was opened by the Peterborough Railway Society (PRS) in 1974. It began operating passenger services in June 1977 and now ranks as one of the United Kingdom's leading heritage railways. The seven-and-a-half-mile route runs between Peterborough Nene Valley and Yarwell Junction. The NVR is a popular venue for location filming and has appeared in the James Bond movies "Octopussy" and "GoldenEye" and the BBC television drama series "Secret Army" and "Casualty" amongst others.

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