The Trainz SKU for this item is P11633976

The Trainz SKU for this item is P12140787

Multi-colored plastic construction

Model Number: 5277

Trainz Product Id: 12176932

Lionel 6-85342 O Milwaukee Road Heavyweight RPO #2105 ProductID_11542921 The Trainz SKU for thisThis is a Lionel 6 85342 O Scale Milwaukee Road Heavyweight RPO #2105. The Railway Post Office revolutionized communications. An RPO was commonly found at the head end of the most premier passenger trains on a railroad as well as secondary and branchline runs. Dedicated mail and express trains also typically carried at least one working RPO as well for picking up, sorting and delivering mail en route often without stopping. The cars shown here are the