Modern 130′ Turntable (Assembled, Motorized, Programmable Indexing) Walthers Part # 933-2613, p. 194 Walthers 2010 N&Z Scale Reference. This is sweet! From what I’ve heard worth every penny. A friend of mine installed the HO version and is very pleased. The Ping Pong Valley Railroad is hoping for full economic recovery so that funding can be restored to railroad development.