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So I have a F600 with a single cab. I want to put a bed on the truck but the 84” cab to axle means lengthen the bed or shorten the driveshaft and move the axle. Then a third option popped up. What about swapping a single cab for an extended cab? What’s the cab difference on an 80’s model single cab vs extended cab? 24” would be ideal.
Looks like I might be in luck. The wheel base between a single cab and super cab is 22" It might be just what I need. Now to find the donor truck and check NV regulations on cab (VIN) swaps.
Another thing to consider is the f-600+ had a different floor and firewall configuration than that of the pickup trucks. The transmission “tunnel” is higher in the pickups than the large truck, shouldn't be a problem if your 600 is a gas. Diesel’s in the large trucks have a flat floor and removable doghouse in the firewall so a pickup cab might not fit to a diesel large truck without modifications. The extra length of the wheelbase will reward you with a better ride but to me it would be less work to shorten the wheelbase then to change cabs. With some careful measurements and sharp drill bits you can get the perches moved in an afternoon. I have done several with just a slow turning 1/2” drill and cutting oil, you don’t need a mag drill, Then measure and have your drive shaft professionally shortened for less than what a good extended cab would cost. My 2 cents, good luck!
Another thing to consider is the f-600+ had a different floor and firewall configuration than that of the pickup trucks. The transmission “tunnel” is higher in the pickups than the large truck, shouldn't be a problem if your 600 is a gas. Diesel’s in the large trucks have a flat floor and removable doghouse in the firewall so a pickup cab might not fit to a diesel large truck without modifications. The extra length of the wheelbase will reward you with a better ride but to me it would be less work to shorten the wheelbase then to change cabs. With some careful measurements and sharp drill bits you can get the perches moved in an afternoon. I have done several with just a slow turning 1/2” drill and cutting oil, you don’t need a mag drill, Then measure and have your drive shaft professionally shortened for less than what a good extended cab would cost. My 2 cents, good luck!
Thanks, I think I’ve settled on having a body shop graft two beds together. I can still drive the truck while the body shop puts the beds together.
FYI for anyone wondering what cab lengths are I measured from front of the doors on all three cabs to the back wall
single 48”
super 72”
crew 84”
i ran all around town looking for trucks.
A single cab right now I have 84” cab to axle.
with the super I would have been at 60”
crew cab 48”
closest was the super cab but I would have had a 4” gap to fill.
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