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Jonyang parts
Genuine drive and hydraulic parts for Jonyang machines, branded DYCO. Which of the six categories covers a Jonyang varies by machine.
Parts for Jonyang
What DYCO supplies.
Final Drives
Complete planetary travel drives, with or without motor, for excavators.
Travel Motors
Hydraulic motor assemblies for when the gearbox is sound and only the motor needs replacing.
Swing Drives
Swing reduction gearboxes and motor assemblies for the house rotation circuit.
Main Hydraulic Pumps
Main and charge pumps — the component whose failure takes the whole machine with it.
Cylinders
Arm and bucket cylinders built to the original bore, rod and stroke geometry. Volvo applications only.
Swing Bearings
Slew rings and swing bearings for the house rotation circuit.
Model coverage
Jonyang models are not listed individually.
Send the model and the number on the tag to your DYCO dealer to confirm availability.
Which Jonyang are you working on?
Send the part and your machine to a dealer from here, or email the make and model and we will point you at one who stocks it.