为了防止润滑剂泄漏并减少搅动损失，具有卡车驱动2液密地分离室（14，15）设置的齿轮壳体（13），其中的润滑剂，其中所述润滑剂是在所述齿部的区域中的第一空间（14）的 在环形齿轮（8）的旋转轴线（10）下方的空间（15）中布置正齿轮（3）和润滑剂的表面。

To prevent the escape of lubricant and reduce the churning losses, has a transmission housing (13) of a truck driving two liquid-tight separate rooms (14, 15) which is arranged in which a lubricant, wherein the lubricant of the first space (14) in the teeth of the spur gear (3) and the surface of the lubricant in the space (15) below the axis of rotation (10) of the crown wheel (8) is arranged.