Diesel locomotive power trucks available as raw material kits, kits with milling and lathe work done, or completely ready to run.
Kits come complete with working air brakes and all the hardware needed.
Many of the brake rigging parts are laser cut steel requiring no finishing of the shape. The journal boxes on the Blomberg B-B and HTC trucks are steel investment castings requiring almost no machining. Nominally HP with a short time rating of 1 HP each.