gearbox

a part of a car that changes the speed at which it moves by changing gears

caja de cambios, caja de velocidades

• the gearbox of a car

Collocations gearbox problem · gearbox failure

• The mechanic said there was something wrong with the gearbox.

  El mecánico dijo que había algo mal con la caja de cambios.

a device that changes speed or force in a machine

mecanismo de transmisión, engranaje

• the gearbox of a machine

Collocations gearbox maintenance · gearbox repair

• The factory had to replace the gearbox on the new machinery.

  La fábrica tuvo que reemplazar la caja de cambios en la nueva maquinaria.