Dump Truck APC

>Hauling guys around in the bed without being shot at

Yeah that'd be okay, but you'd be better off with a bus or the like that's expressly designed for carrying people. Better ride, more room, actual seats, etc.

>What if I want to put armor on it and drive it into a combat zone
You're going to spend an awful lot of time and money, particularly if you're just using steel or the like. The platform presumably has the load bearing capability, but you may struggle to jury rig attachment points for armoring the engine AND keeping the engine cool now that you've stuck a couple inches of steel in front of the radiator.

Plus you're going to have a ton of weak points in the cab area

Off road potential may not be very good compared to purpose built vehicles, either.

I would imagine they would make good up armored gun trucks, which aren't quite APCs but have been in use since forever anyway as a good enough stopgap when you can't get a real APC

>>34967970
>keeping the engine cool now that you've stuck a couple inches of steel in front of the radiator.
only if you dont have a competent engineering team.

The easy solution is to make a "scoop" system that pulls air in from under the truck and funnels it into the rad.

>>34967898
depends on what is being fired at it