The STIHL 41402000078 KM 55 RC-E Base Unit is a genuine STIHL powerhead designed for use with the STIHL KombiSystem. This versatile unit provides the power for a wide range of KombiSystem attachments, allowing for efficient completion of various outdoor tasks. It features an Easy2Start system for effortless starting and a powerful, fuel-efficient engine, making it suitable for homeowners and professionals alike. As an OEM part, it ensures perfect fit and reliable performance with compatible STIHL equipment.