Usually, the electric motor needs a reduction gear for maximum efficiency.

The engineer winced at the stress on the reduction gears.

Version with a long shaft to the remote reduction gear.

"The big reduction gears aren't taking the strain too well, though."

The reduction gear is a standard unit known from the art.

Also, at that time, Skipjack had a noise problem in her reduction gears.

The engine seemed to be complete except for the obvious loss of the reduction gear and its housing.

The direction of the winch can be reversed using the reduction gear.

With suitable reduction gears, even very large engines could be barred by hand.

There were final reduction gears, of the planetary type, in the driving wheels.