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The Group

From Custodians to Owners and Operators

The Heavy Tractor Group is a group of volunteers dedicated to preserving and operating a working example of a British Rail Class 37 Type 3 locomotive build over 55 years ago.


The Group was initially for in 2016 to keep the locomotive in 'warm storage' the locomotive while it was on loan from Direct Rail Services (DRS). We finalised the purchase of the loco in 2017 and formalised it with a ceremony at our base in Loughborough.

Since then the group has grown to 11 members from a variety of backgrounds, bringing experience from a multitude of fields and crucially includes 3 qualified rail engineers with over 60 years combined experience.

Our Aims

  • To advance the education of the Public through the preservation, operation and exhibition of an English Electric Class 37/7 diesel locomotive 

  • The maintenance of books, records, drawings, documents, sound and visual recordings, films, photographs and artefacts relating to such locomotives or components

  • Assist other Diesel Locomotive Groups/Charities with the provision of parts and technical assistance

  • Provision of training for Engineering Apprentices

  • Celebrate the life of Paul Fairfax

  • Uphold the concept and principle of the Railfreight livery

  • Make 37714 available for services at the Great Central Railway and other Heritage Railways  

Our Achievements


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