Athearn ATH64010 ATH64022 Trinity 57′ All Purpose Spine Cars Train Cars HO Scale. We are pleased to offer this lot of (2) HO Scale Athearn Trinity 57′ All Purpose Spine Cars. They are sets of 3, models ATH64010 and ATH6402. These cars are in new condition in the original boxes. One box is sealed and the other has broken seals. The boxes show scuffing and other wear from storage. Listing and template services provided by inkFrog.