so the timeline seems to be shrinking between releases in different scale

This is a Lionel 6-82312 O Union Pacific ACF 40-Ton Stock Car #48133

Trainz Product Id: 11539703

This is Bowser 23635 HO C636

Model Number: R31000

Bachmann 18933 HO Western Pacific W/Pipe Load 50' Flatcar # 2238 (Black) ProductID_11642022 so the timeline seems toThis is Bachmann 18933 HO Western Pacific W Pipe Load 50' Flatcar # 2238 (Black). This car features plastic body construction, metal wheels and knuckle couplers Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Bachmann Model Number: 18933 Road Name: Western Pacific (WP) MSRP: $32. 99 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P11626455. Trainz Product Id: 11626455