The two large vertical cylinders under each side of the car represent the pneumatic cylinders that operate the dump mechanism on the prototype cars

three removable plastic containers

The Trainz SKU for this item is P12194947

Or turn the car around and watch the scenery roll by

Model Number: 50000049

Accurail 8594 HO KIT 40' Plug Door Steel Reefer, Data/Orange ProductID_12358250 The two large vertical cylindersAccurail Part ACU8594. HO KIT 40' Plug Door Steel Reefer, Data Orange Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Accurail Model Number: 8594 MSRP: $18. 98 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P11639313. Trainz Product Id: 11639313