Mould King 2 Truck Shay RC set with track MK12032Just a note: since the gearing runs the length of the train along the axles, the trucks do not pivot. It's a short locomotive so that's fine on regular R40 track. But to connect other train cars, it needs to be on a wider radius track to keep the magnet connections lined up (R88 or R104 which we also sell) Mould King 12032 Shay type Steam Locomotive, a tribute to the unique engineering of early 20th century steam locomotives. This model consists of