TT3044M Class 37/4 TransRail '37413' 'Loch Eil Outward Bound' Diesel LocomotiveExpected Delivery June 2026 (Subject to Change at Manufacturer's Discretion). Introducing Transrail Class 37 'Loch Eil Outward Bound' 37413, including all the same great features presented on the English Electric Class 37 model releases late last year, such as working lights, weighty die cast chassis, and optional bodyshells depending on subclass. The Tractor is a must have for any TT: 120 layout, with this model representing No. 37413 Loch Eil