Last weekend, I purchased a lot of Union Pacific coaches from a Train Show after being told that I could switch the couplings out for Knuckle couplers. Seeing that the platform in front of the coach is extruded out more than a standard box car would be, would there be any complications from just choosing a standard set of E-Z-Mate® Mark II couplers to go along with a BACHMANN #51558 2-6-2 PRAIRIE - UNION PACIFIC I ordered?