Make sure this fitsby entering your model number. XCU03Z has large oil filling port with view window allows operator to easily add and check bar oil level, rubberized soft grip top handle is engineered for easily application of even cutting pressure XCU03Z has variable speed trigger (0-3,940 FPM) for easy operation, “tool-less” chain adjustment for convenient operation and maintenance, and weighs only 11.35 lbs. with batteries for reduced fatigue XHU07Z has 24 inch dual action double-sided shear blade provides optimal performance and 5-position rotating rear handle for increased comfort during vertical and angle trimming XHU07Z has 3-speed options (Low: 2,000 SPM, Medium: 3,600 SPM, High: 4,400 SPM) for power management, variable speed trigger for increased operator control, and reverse function for clearing jams BL1850B2DC2 Battery has integrated L.E.D. battery charge level indicator allows user to monitor battery charge and provides up to 65% more run time per charge compared to BL1841 BL1850B2DC2 has a Rapid Optimum Charger communicates with the battery’s built-in chip throughout the charging to optimize battery life by actively controlling current, voltage and temp
