Sounds like the repair I did on my frame. The bed wood laid on top of the frame hump and rusted it away. I welded in a rounded shape to the top flange.
A large truck frame built of alloy steel has special considerations to avoid weakening the frame. But an AD frame is made of mild steel, so as long as you're in a low stress area (like the top flange of the frame hump) there's no special techniques needed. Just make sure you get full penetration and avoid sharp corners. A large truck frame built of alloy steel has special considerations to avoid weakening the frame.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
