Claas Mega 204 -

: It featured a conventional main drum with a width of 1.32 meters, designed for protective but high-throughput threshing.

At its heart, the Claas Mega 204 was typically powered by a diesel engine, delivering approximately 200 horsepower (147 kW). Some later variants or specific market models utilized updated powerplants, such as the 7.6L OM engine. Claas Mega 204

The machine's operational efficiency was defined by its specialized threshing and separation systems: : It featured a conventional main drum with a width of 1