The 2006 Ford F-650 is a part of Ford's 'F-Series' medium-duty commercial truck lineup. It offers a choice between a 5.9-liter Cummins diesel engine with 215-260 hp or a 7.2-liter Caterpillar diesel rated at 230-300 hp. Both engines mate up to an Allison 2000/2400 series automatic transmission. The F-650 comes in various configurations, ranging from a regular cab to a crew cab, catering to different vocational applications. The Ford F-650 offers optional ABS, which greatly contributes to the vehicle's safety. Its no-nonsense interior, built for work, incorporates functionality over aesthetics. The 2006 F-650's reliability and versatile performance have made it a trusted choice in the commercial truck sphere.