On the power unit, I can't think of any which have been particularly prominent. The roll off body has nothing to do with Ford, however - that's put on by a third party company which buys the cab and chassis from Ford. They may or may not be the same company which installs the additional lighting, and how they go about doing that varies between companies.
Yes, Ford builds an F650.
replacing serpentine ford f650
you do not need a cdl to drive a f650. but call your states dmv and check with them
I believe that a Ford F650 requires a class B license to drive.
I believe it was 2000
towing capacity
in the fuse panel under dash
wiring on alternator
One might find helpful reviews of the Ford F650 online through MotorTrend. They have useful information on the vehicle as well as performance reviews in detail.
depends on what body was put on chassis
If you are interested in buying a Ford vehicle such as the F650 the best suggestion is to go directly to a Ford dealership because they would have the most knowledge on care and operating the vehicle.
Regulate the carburetor and replace its gasket.