Sluggish boom lifting and weakened digging force indicate that your SANY excavator is suffering from internal pressure leakage inside the main hydraulic pump. When the A28VO130 rotating group drops its volumetric efficiency, multi-actuator coordination turns jerky, resulting in slower cycle times and inflated fuel costs on every job site. Do not let a worn power drive drain your field profitability on SY215, SY225, SY235 or SY245 excavation projects.
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