Originally Posted by Deck
what are your thoughts on the amount of rust on this chassis?
If it is a 1985 Truck the rust is minimal, a 1995 truck the rust is manageable, a 2005 truck the rust is treatable, a 2015 truck the rust is average...
Seriously though, external surface rust is an indication of minimal maintenance, harsh climate, or low use. If the rust is only on the surfaces and the thickness of the frame is not affected then the chassis is treatable and functional. This example may have been aggressively cleaned recently and without surface protection rust will form on the raw steel quickly.
I view the chassis as a consumable item and it will need to be repaired or replaced every ~30-40 years. (Look up Washington's Axe) Because this is the norm in the UK, replacement chassis are not expensive or difficult to supply.