These units were first classified as the S 3/6 and later designated as the class 18

The Trainz SKU for this item is P11458686

Model Number: 37903

This is a Lionel 6-22555 O Ringling Bros

Lionel 6-9334 O Gauge Humble Oil Single Dome Tank Car ProductID_11383500 These units were first classifiedThis is a Lionel 6 9334 O Gauge Humble Oil Single Dome Tank Car. This tank car features plastic trucks, operating knuckle couplers, metal wheels and axles. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Lionel Model Number: 6 9334 Years Manufactured: 1979 1979 Road Name: **** No Road Name Scale Era: O MPC Model Type: Freight Cars The Trainz SKU for this item is P11402946. Trainz Product Id: 11402946