XCMG QY25K 420 mm Clutch Disc
This disc must match the gearbox input spline and the 420 mm pressure-plate geometry.
| Customer priority | Count splines and confirm hub direction before ordering. |
| Evidence needed | 420 mm diameter Spline count/diameter Hub offset Friction thickness Flywheel/cover pairing
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Diagnosis Before Replacement
Slip, drag or judder may also be caused by oil, flywheel runout or release faults.
Fit, Test and Handover
Repair leaks, inspect mating faces, align correctly and road-test engagement.
Useful Internal References
QY25K 420 Pressure Plate · Clutch Booster
FAQ
Is 420 mm enough?
No; spline and offset matter.
Which side faces gearbox?
Follow hub marking/service data.
Can an oily disc be reused?
Replacement and leak repair are normally required.
Export preparation: The disc stays flat and dry.
