Please Save a Life Today – Adopt a Shelter Pet. Cars are Absolutely MINT CONDITION. O Scale Premier 2-Car 70′ Streamlined Slpr/Diner Passenger Set (Smooth Sided). 70′ Sleeper/Diner 2-Car Set Slpr- Mount Hood 600 diner-Lake Pepin 156. Operating Couplers and Detailed Interior and undercarriage. This product is compatible with all O Gauge 3-Rail track systems including those systems offered by Atlas and Gargraves and Lionel and Ross Custom Switches.