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Hi NC, I can't help with the A110 but depending on which PSD you want to use. Mine is a 02 F350 PSD with a ZF6spd, 3.73, DRW, 4wd, and with 26kGCW at 1800rpm I had no problem maintaining 60mph on flat roads in 6th(OD) and 5th gear on the small hills. The 02 PSD makes 520ft/lbs at 1600rpm and 275hp@2800rpm. Other years, 99'+, are slightly less with the 03 7.3 slightly more. I added a 2nd tractor for 31kGCW and that was too much for this truck. I now had to use 2250rpm to 2500rpm (turbo rpm) to maintain 60mph. I was also fighting a 30mph headwind. I normally pull my RV, 16kGCW, at 1600rpm on the flats and 1800rpm on the 8% grades. At 1800rpm the turbo adds just a tad of boost and makes a huge difference in climbing the grades. I drive for maximum fuel ecomony at all times so most of my travels is at 1600rpm as this yeields the best fuel mileage. The Ford ZF6spd is a piece of junk and shifts like one. Also the stock Ford or LUK clucth is too weak for the PSD. Both Rockwell and Southbend build a clutch rated at 11ooft/lbs or enough to last in a PSD. Personally I would look at a older mechanical injected diesel with a turbo as then you can run B100 or home made fuel where the PSD will have a few problems with back yard fuel. I would also look at a Eaton 18spd auto-shift tranny as then you can have a double OD for great fuel ecomony plus have a 17% ratio spread. The autoshift needs a clutch to stop and start but up/down shifts like a fluid automatic but with gears and no clutch to shift. It shifts by rpm that you program in and can change at will. I have a neighbor that uses a 6cyl Ford tractor engine in his pick-up. He stated the engine has worn out two pick-ups and now working on it's 3rd truck. He keeps the engine & tranny and fuel componets and changes the rest of the truck. T_Bone
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