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Q1: Which machine does 4607611 fit? A1: It is center swivel joint for Hitachi ZX60, ZX60USB, ZX30U-2 mini excavator.
Q2: Can it fit ZX70? A2: ZX70 uses different center joint with different oil channel layout. Not interchangeable, confirm machine serial number.
Q3: What common failures does this part solve? A3: One track stops while swinging, travel weak during rotation, oil leakage from center joint, cross oil between circuits.
Q4: Is this genuine Hitachi part? A4: High-quality aftermarket replacement part, neutral packing without Hitachi logo.
Q5: Warranty exclusion? A5: Warranty does NOT cover damage caused by contaminated hydraulic oil, improper installation, scratched spool surface.
Q6: Lead time? A6: In stock: 3–7 working days. If out of stock, separate production lead time will be advised.
