Encountering swing gearbox jitter, gear tooth stripping and costly downtime that haunt wholesalers, agency dealers and mine project owners? Our 130425-00009 No.1 sun gear is tailored for excavator swing reduction assemblies. Adopting high-grade carburized steel craft, it solves typical B‑side pain points such as low meshing accuracy and premature aging, fully suited for high-frequency earthwork and open-pit mining heavy-duty scenarios.
View More











