The Direct Dimension 508-17-SAE Upper Coupler Plate serves as the interface between a Custom brand tank trailer and the towing vehicle's fifth wheel, distributing load evenly and ensuring secure coupling during transport. Constructed from high-strength steel and built to SAE standards, it enables smooth articulation and reliable connection under the demanding conditions of tank trailer hauling.
Technical Specs List
- Plate Length: 38.25 inches
- Kingpin Setting: 3 inches
- Trailer Compatibility: Custom brand tank trailers
- Standard: SAE






