WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov
These are the 2-axle trucks used on US 4-axle rolling stock. These are great for repairs (yes axle journals do wear out over time) or of course great for your own kit-bashing projects.
Archbar Freight Trucks, 2 pieces, for American Freight Cars. Set includes 1 truck with hook and loop coupler (shown) and 1 truck with the loop only.