carter de boîte de vitesses [ carter de transmission | carter d'engrenage | boîtier de transmission | boîtier d'engrenage | boîte d'engrenage ]
gearbox housing [ gearbox casing | transmission casing | transmission case | transmission housing | gearbox case | gear casing | gear case | gear housing ]
Transmission (Véhicules automobiles et bicyclettes) | Transmissions mécaniques | Engrenages et roues de friction
Transmission Systems (Motor Vehicles and Bicycles) | Mechanical Transmission Systems | Gears and Friction Wheels