Here is an MTH 70-14008 1:32 Operating Track Section Kit

Trainz Product Id: 12092359

the M1a was an improved version of the earlier M1 class

Model Number: 949-8055

Bluford Shops 73801 N BRC 70-Ton Offset-Side 3-Bay Open Hopper with Load #2074 LastUpdated_20261805091639 Here is an MTH 70-14008This is a Bluford Shops 73801 N The Belt Railway Co. of Chicago 70 Ton Offset Side 3 Bay Hopper with Load Ready To Run. These offset side hoppers are ready to run and feature magnetically operating knuckle style couplers, Fox Valley Models metal wheels, and super fine brake gear and slope sheet supports. Cars also feature an appropriate coal or mineral load. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9)