Here is a Lionel 6-29853 PWC US Marines Big John Cannon Car #6651.
Features an Artillery gun that elevates and swivels 360 degrees and Die-cast metal trucks and operating couplers.
The set also includes four wood cannon shells painted silver which can be fired out of the cannon barrel, as well as a Postwar Celebration plaque and packaging. The car is 11 inches in length, and has a Minimum Curve radius of O-27.

This item has been graded per TCA standards C-8: Like New based on visual appearance. The instruction manual is included. The original box is included. Please check the photos for a detailed look at this item. Overall condition is Like New.

Condition: Like New (C-8)
Operational Status: Not Applicable
Original Box: Yes (P-7)

Manufacturer: Lionel
Model Number: 6-29853
Years Manufactured: 2008 – ????
Road Name: US Marine Corp (USMC)

Scale/Era: O Modern
Model Type: Operating Cars

The SKU for this item is 5939255.

Product Id: 11440893