TDoc on Twitter: "@ThomasTankMerch Can you confirm if the BR78 chassis was also used for Oliver? From what I can tell it looks as though they partially modified the chassis and used
Märklin H0 39786 Steam Locomotive BR 78 DB for sale online | eBay
ausverkauft | märklin 39786 Dampflok BR 78 DB | mfx Digital | Spur H0 | Online kaufen bei Modellbau Härtle
Märklin 39785 Dampflok BR 78 DB, Ep.IV
Stoomlocomotief met tender BR 78 | Märklin
Jaap Horst History of Technology page: Märklin BR 78 TANK LOCOMOTIVE - 1-scale