Athearn MCH712 HO KS AAR Upper/Lower Shelf Coupler (6pr) Decals worthwhile upgrade for better tracking

worthwhile upgrade for better tracking and quieter running

Vent holes also allow water and dirt to escape from the tire to prevent unbalanced tires and to increase durability

Part number 2517

differential (aluminum)/ x-ring gaskets (2)/ ring gear gasket/ spacers (4)/ 12

Motor mounts are sold separately

Athearn MCH712 HO KS AAR Upper/Lower Shelf Coupler (6pr) Decals worthwhile upgrade for better trackingAthearn MCH712 HO KS AAR Upper Lower Shelf Coupler (6pr) A scale size knuckle spring (KS) coupler with metal coil knuckle springs Features: * Scale size couplers are about 3 4 the size of standard couplers * AAR standard E safety couplers * Upper and lower shelf for tank cars