The minimum diameter curve is O-31

Prototypes hauled lumber from late-1960s to early 2000s

The kit is adjustable to four different heights so you can add unique structures to several farm or ranch scenes

Hood and frame bells included

Trainz Product Id: 11551682

Proto 2000 21937 HO Life Like IT AAR Standard 50 Ton Flatcar # 1148 Kit ProductID_11626425 The minimum diameter curve isThis is a Proto 2000 21937 HO Life Like Illinois Terminal AAR Standard 50 Ton Flatcar # 1148 Kit. Second Release. Illinois Terminal #1123 (black, white lettering) Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Proto 2000 Model Number: 21937 Road Name: Illinois Terminal (ITC) MSRP: $22. 99 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P11573236. Trainz Product Id: 11573236