Here is a Lionel 6-17723 MKT Scale Stockcar 36556.
Features include:
Die-cast metal sprung trucks and operating couplers
Hidden uncoupling tabs
Die-cast metal frame
Metal underframe details
Opening doors
Four hand-painted cattle figures included
Each car individually boxed

This item has been graded per TCA standards C-7: Excellent based on visual appearance. There are light nicks and scratches on the surface of this item. The wheels show average run-time. Some minor trim elements are misaligned, bent, damaged or missing. The instruction manual is not included. The original box is included. Please check the photos for a detailed look at this item. Overall condition is Excellent.

Condition: Excellent (C-7)
Operational Status: Not Applicable
Original Box: Yes (P-6)

Manufacturer: Lionel
Model Number: 6-17723
Road Name: Missouri Kansas Texas (MKT/BKTY)

Scale/Era: O Modern
Model Type: Freight Cars

The SKU for this item is 5981508.

Product Id: 12410187