High‑pressure medium‑supply unit for mobile use suitable for universal application through the provision of specific attachment sets. The basic module comprising a motor‑driven pump, an explosion‑proof geared motor and driving elements comes mounted on a mobile base frame on rollers with 2 fixed and 2 caster wheels with brakes. The wheels are electrically conductive. Designed for the attachment of extension modules. The motor‑driven pump assembly consists of a 3 plunger pump with crank assembly running in an oil bath. Drive is effected via electrically conductive V‑belt drive that is covered by a belt guard. The ceramic plunger, cylinder head of bronze, Teflon packings, together with stainless steel valves and ample provision for drainage, ensure a long service life. Drive is effected by a ex- protected motor. Variants: SHD-R 3000 SSR F – solvent and acid version System solutions: Complete cleaning systems with interior cleaning head, hot water generation, automatic cleaning process on request.