I would not do a U-Joint drive line on a QL due to the fact that the engine is rubber mounted so not only can it move side to side but also fore and aft. This requires a drive line that can accommodate changes in length. You would need a slip yoke to deal with that issue.
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2264 with 54 GT deck
1641 AKA Black Jack with a 402-E Haban Sickle bar mower
JD317 dump truck
BX2670 with FEL
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