![BrickLink - Set 7755-1 : LEGO Diesel Heavy Shunting Locomotive [Train:12V] - BrickLink Reference Catalog BrickLink - Set 7755-1 : LEGO Diesel Heavy Shunting Locomotive [Train:12V] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/SL/7755-1.png)
BrickLink - Set 7755-1 : LEGO Diesel Heavy Shunting Locomotive [Train:12V] - BrickLink Reference Catalog
![Making Trains Move: The History of LEGO Trains, Track, Motors and More - BrickNerd - All things LEGO and the LEGO fan community Making Trains Move: The History of LEGO Trains, Track, Motors and More - BrickNerd - All things LEGO and the LEGO fan community](https://images.squarespace-cdn.com/content/v1/51967abae4b0fe8d0161031f/9fa600b7-340c-4d1f-9054-ac8b5de43eea/CatalogImages.jpg)
Making Trains Move: The History of LEGO Trains, Track, Motors and More - BrickNerd - All things LEGO and the LEGO fan community
![Thomas Merchandise on Twitter: "Before there was 9v or power functions, there were Lego 12v trains! Powered by a middle rail similar to Lionel, Lego made automatic points, signals, uncoupling tracks, and Thomas Merchandise on Twitter: "Before there was 9v or power functions, there were Lego 12v trains! Powered by a middle rail similar to Lionel, Lego made automatic points, signals, uncoupling tracks, and](https://pbs.twimg.com/media/EVxFuJ5WkAM0F2X.jpg)
Thomas Merchandise on Twitter: "Before there was 9v or power functions, there were Lego 12v trains! Powered by a middle rail similar to Lionel, Lego made automatic points, signals, uncoupling tracks, and
![BrickLink - Original Box 7755-1 : LEGO Diesel Heavy Shunting Locomotive [Train:12V] - BrickLink Reference Catalog BrickLink - Original Box 7755-1 : LEGO Diesel Heavy Shunting Locomotive [Train:12V] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/OL/7755-1.png)