Complete hydraulic systems, troubleshooting, maintenance, and replacement parts for Komatsu, Caterpillar, Hitachi, Kobelco, Sany, and more construction machinery.
Complete hydraulic system specifications for 500+ construction machinery models: Komatsu, Caterpillar, Hitachi, Kobelco, Sany, XCMG, LiuGong, Doosan, Hyundai, Volvo.
500+ ModelsStep-by-step diagnosis and solutions for 200+ common hydraulic problems: pump failures, valve issues, cylinder problems, system faults.
200+ FaultsComplete maintenance procedures at 50h, 250h, 500h, 1000h, 2000h intervals. Oil change, filter replacement, seal inspection.
100+ ProceduresComplete hydraulic parts catalog: pumps, valves, cylinders, seals, filters, hoses, fittings. 100% interchangeable with OEM.
1000+ PartsHydraulic theory, operation guides, safety procedures, troubleshooting techniques for technicians and operators.
50+ TutorialsPC Series excavators: PC56, PC70, PC130, PC200, PC210, PC220, PC240, PC300, PC350, PC400, PC450
50 ModelsE Series excavators: 312E, 315E, 320E, 323E, 325E, 330E, 336E, 349E, 352E
40 ModelsZX Series excavators: ZX60, ZX70, ZX120, ZX200, ZX210, ZX240, ZX300, ZX330, ZX350, ZX400
45 ModelsSK Series excavators: SK55, SK75, SK130, SK200, SK210, SK250, SK260, SK300, SK330, SK350
40 ModelsSY Series excavators: SY55, SY75, SY135, SY215, SY235, SY245, SY305, SY335, SY365, SY415
45 ModelsXE Series excavators: XE55, XE75, XE135, XE215, XE235, XE270, XE305, XE335, XE370, XE470
40 ModelsDX Series excavators: DX55, DX75, DX140, DX225, DX235, DX255, DX300, DX340, DX380, DX420
40 ModelsR Series excavators: R55, R80, R140, R210, R220, R250, R300, R330, R360, R450
40 ModelsHaichen Industrial supplies 100% interchangeable hydraulic parts for all construction machinery brands. Get expert troubleshooting and repair support.
๐ฑ WhatsApp: +86 138 0000 0000 | ๐ง Email: haichenhydraulic@gmail.com