Forum Discussion
tatest
Nov 29, 2013Explorer II
Ford used to rate the F-53 in all GVWRs with the same GCWR, thus lighter rated models of the chassis will have a high "tow rating" which may or may not have been compromised by the coach builder. What the coach builder does, in extending the coach beyond the end of the chassis, and providing a hitch, might further limit the tow. I've seen "garage" models in which eight feet or more of coach was built off the end of the original frame, with no extension of frame rails, only house. frame back there.
So what you are missing is information about towing capacity of the finished coach.
What might be confusing you is an idea you have relating towing capacity to engine power ratings. More relevant to GCWR is the size and strength of drivetrain parts, ang gearing for torque at the final drive. Wasn't that long ago the 40,000 loads were routinely hauled by trucks with 100-200 HP engines. Ford 7.5 (or 7.3 diesel) was used in trucks up through Class 6, much heavier than that motorhome, using C-6 and E4OD automatics, and various 6-speed manual transmission. 17,000 pounds of RV and 8000 tow is well within what the drivetrain can do, you just won't be winning drag races or flying up mountains at 70 mph.
So what you are missing is information about towing capacity of the finished coach.
What might be confusing you is an idea you have relating towing capacity to engine power ratings. More relevant to GCWR is the size and strength of drivetrain parts, ang gearing for torque at the final drive. Wasn't that long ago the 40,000 loads were routinely hauled by trucks with 100-200 HP engines. Ford 7.5 (or 7.3 diesel) was used in trucks up through Class 6, much heavier than that motorhome, using C-6 and E4OD automatics, and various 6-speed manual transmission. 17,000 pounds of RV and 8000 tow is well within what the drivetrain can do, you just won't be winning drag races or flying up mountains at 70 mph.
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