Komatsu 707-99-74120 Lift Cylinder Seal Kit

Technical specifications for the 707-99-74120 hydraulic cylinder seal kit designed for Komatsu WA500-3 wheel loader lift and boom cylinders. The kit contains precision-molded seals including piston seals, rod seals, buffer seals, wear rings, and O-rings manufactured to OEM dimensions for 200mm bore and 110mm rod diameters. Compatible with P-UB-14 seal profile code. Services cylinder assemblies 707-01-08751 and 707-01-03041. Applicable to serial ranges WA500-3 50001-UP, WF550-3D 50001-UP, WA500-3H H20051-UP, WA500-3LK A71001-UP. Materials include high-performance HNBR, polyurethane, FKM, and PTFE composites for extreme pressure and temperature resistance in mining and quarrying applications.