The STILL 8426489 Controller SU 20 is a genuine OEM replacement part designed for various STILL electric pallet trucks and pedestrian stackers. This essential component ensures proper control and operation of the machinery, maintaining optimal performance and safety. It is compatible with models such as EGU 16, EGU 18, EGU 20, EXU 16, EXU 18, EXU 20, EXU-SF 20, EXU-SF 22, EXU-SF 25, EGU-S 16, EGU-S 18, EGU-S 20, EXU-S 16, EXU-S 18, and EXU-S 20.