AA: Optional AN: Mechanism with both built-in discs AN: Reinforced DF: diaphragm, flat Flywheel DV: Diaphragm pot Flywheel FO: Flywheel Flat, no support ring G3 three fingers G4 four fingers GA3: Combined control, three fingers GA6: Combined control, six fingers GU3: Independent control, three fingers GU6: Independent control, 6 fingers HN: First assembly (do not assemble with a new mechanism) KG6: Diaphragm spring + 6 fingers LF: Fixed PTO, flat Flywheel LG : Main disc, side mounted transmission LH: Main disc, side mounted engine LI: PTO disc, side mounted engine LC: P.T.O. disc, transmission side mounted LM: P.T.O. disc, side mounted engine LN: Main disc, engine side, loose LQ: 3 pairs of pads LR: 4 pairs of pads LS 5 pairs of pads EN: 6 pairs of pads LV: Fixed PTO, pot Flywheel ly: 8 pairs of pads LZ: 9 pairs of pads MH: 7 pairs of pads < br /> ML: 10 pairs of pads MQ: Interchangeable with Valeo MR: Interchangeable with LUK NM: Flat Flywheel with support ring NO: Fixed PTO, flat Flywheel < br /> NV: Fixed PTO, pot Flywheel NX: 12 pairs of pads SM: Flat Flywheel with support ring TC: Cerametallic with springs TF: Organic with springs < br /> UC: Cerametallic fixed UF: Organic fixed UR: VM: Flat Flywheel with support ring VO: Flat Flywheel, no support ring VZ: Economical version ZW: 2 identical discs p>