This HO Scale PRR Class 2D-T4 "Dolphin" tender truck set is designed for Bachmann 1.01" x 36" axle point wheelsets. Please note that tender frame modification and attachment method may be required to retrofit these trucks to your PRR A5, E6 or G5 class steam locomotives.
Some minor clearing of the axle pockets by hand with at Dremel #105 engraving bit may be required after cleaning.
The truck pair can be purchased
here.