Caterpillar’s Cat Battery Electric Power Unit (BEPU) has been selected by Doppstadt to power its SWS 6 Spiral Shaft Separator, which will be showcased for the first time at IFAT 2026 in Munich, Germany, from 4–7 May.

The compact plug-and-play BEPU is designed to replace a diesel engine within the same space, using the same mounting locations and relative machine position. It integrates the battery, motor, inverter, onboard charging, cooling and controls, enabling OEMs to electrify existing chassis platforms without extensive redesign.

Caterpillar and Cat dealer Zeppelin Power Systems have been working with Doppstadt to install the BEPU in the SWS 6 Spiral Shaft Separator. The result is a zero-exhaust emissions solution suited for indoor, urban and highly regulated environments, while supporting lower noise and reduced routine maintenance.

The BEPU also helps OEMs simplify engineering, parts procurement, service and support by allowing diesel and electric variants to share one core machine architecture. It can shorten development cycles, reduce integration complexity and help manufacturers bring electric options to market faster.

Following IFAT, Doppstadt plans to begin field trials with the BEPU-powered separator to validate real-world performance and guide further development of the solution. The format follows the shared sample structure.