Flat-towing (four-wheels-down dinghy towing) is the premier choice for motorhome enthusiasts seeking freedom at their destination. However, safely towing a 4,000 lb secondary vehicle behind a Class A or Class C motorhome requires precise mechanical rigging, auxiliary braking compliance, and Grade-8 hardware. 1. Baseplates: The Structural Anchor of Your Rig Unlike standard trailer hitches, a…