Lionel O Gauge UNION PACIFIC BALLAST TAMPER Maintenance Car. 6-18490 New in Box.  

Has spare traction tires, as pictured.  Has operating tampers with an on/off switch.  Self-propelled.

Check my other listings.  I will combine shipping to save you money. 

Actual item is pictured, not a stock photo.  Returns only if not as described or damaged in shipping, free local pick up.