HO Metal Wheels 36 inch Smooth Wheels (12 pack) (KAD522)

HO scale smooth-back metal wheels with a 36-inch wheel profile are designed to upgrade HO rolling stock, delivering an authentic look and smoother, freer rolling for a more realistic model railroad experience.

These wheelsets feature the RP-25 contour for accurate fit, non-magnetic metal wheels, and insulated needlepoint axles to help ensure reliable electrical pickup. Commonly used on diesel-era HO rolling stock, they provide free rolling performance and improved tracking on HO track, making them a practical upgrade for freight and passenger cars seeking true-to-prototype detail and dependable operation.