Excapade sushi brunei contactCommon type 3 models include Chevy G3500 and G4500, Ford E-350 and E-450. In our opinion type 3 ambulances are ideal for camper conversions because of the cab walkthrough. They occasionally come with 4wd, though these seem to get snapped up quickly, possibly because they make the ideal conversion candidate.Powerspec g438 reviewI just finished buying everything to convert my 2000 F250 ext. cab long bed to 4x4, From doing much measuring and research the frames are identical. I am doing a little different conversion though. I am using a 2006 D60 front and with a BDS 4-link 6 inch lift kit and buying new coil buckets from ford ($40 each) I am converting it. Prices below....