CLAAS POWER SYSTEMS (CPS). Optimal drive for best results. With CLAAS POWER SYSTEMS (CPS), we have brought together the best components in a drive system putting them in a class of their own. One that always delivers the greatest power when needed. Ideally matched to the systems and with fuel-saving technology that quickly pays for itself. This comes from 15 years of development experience on the LEXION alone. The result is the best drive system ever from CLAAS, one that gives the greatest efficiencies.