L4240HSTC 3-POINT LINKAGE/DRAWBAR/HITCH Parts group L4240HSTC J10500 TOP LINK J11000 3-POINT LINKAGE 1 (LOWER LINK) J11300 STABILIZER J11500 3-POINT LINKAGE 2 (LIFT ROD) K10500 DRAWBAR K12501 PTO PROTECTOR [A] K12502 PTO PROTECTOR [CA] sale parts diagram catalog online construction equipment excavator tractor