You must be logged in and verified to contact the designer.
Replacement bolster for Precision Scale HO scale 3397 three axle tender trucks. To replace metal bolster with plastic, then used metal wheels with plastic tube axle, to get all wheel electrical pickup from both rails. With three small kingpin holes, drill one to size needed. One pair, cut the small connecting strip to separate. Walthers, Atlas, and Kato make suitable wheelsets with metal wheel & half axle pressed into plastic axle tube.