TT3057M Class 37 BR Blue No.37086 Diesel LocomotiveExpected Delivery June 2026 (Subject to Change at Manufacturer's Discretion). Originally known as the English Electric Type 3, the class was ordered as part of BRs modernisation plan, with 225 examples built at its Vulcan Foundry Works and 84 at its subsidiary, Robert Stephenson & Hawthorns. Designed for freight work and also secondary passenger routes, all 309 were introduced between 1960 and 1965. No. 37086 entered service at Gateshead in December