In many of our core acceptance criteria for Cat Reman products, we call out two types of damage. A core with operational damage — like a turbocharger with a broken shaft or cracked housing that occurred during normal engine use — is acceptable for full core credit.
Things like fire damage, unsuccessful salvage attempts and excessive rust or corrosion are considered non-operational damage. These cores aren’t typically acceptable — but there are exceptions. You can get full core credit for a core with non-operational damage on Cat Reman upgrade-to-new (UTN) cylinder heads and crankshafts, as well as Cat Reman engines and long blocks with new content.