Motor vehicle comprises drive unit which is providing for driving over speed changing gear, where clutch or gear housing part is provided for surrounding gear box space, where housing portion comprises frame part

摘要

The motor vehicle comprises a drive unit which is providing for driving over a speed changing gear, where a clutch or a gear housing part is provided for surrounding a gear box space. The housing portion comprises a frame part having a material perforation (27). A coverage element has a material with specific gravity smaller than the specific gravity of the frame part material. An independent claim is also included for a method for manufacturing a speed changing gear.