Hornby TT3035M Class 37 408 Loch Rannoch new TT What's Inside 1x Model Diesel Locomotive, 1x Accessory Pack (including brake hoses, snowplough and body removal tool), 1x Instructions Product Info Add this Blue machine to your Class 37 TT:120 collection. This English Electric design features moulded plastic buffers and NEM tenstion lock couplings allowing you to add rolling stock with ease. Upgrade to HM7000 by adding an 18-pin decoder. (jar)