double clutch mechanism luk type compatible with case-ih for tractor â models 533/a 540 633 a 633 xe 633 xf 640 733/a (5/78 ) 740 â characteristics double clutch 㘠228/290 mm cast iron 6 levers â code: â 52522 229000112 original code: â 1964054c1 1964054ex 3216396r91 3216396r92 3216396r93 3224545ex 322454r92 322454r91 322454r92 â em