They were run by a cable that came up from the output shaft of the transmission.
From the kansas.com
The heart of most Guzzis made since 1965 is a large V-twin engine hooked up to a car-type transmission and shaft drive.
From the telegraph.co.uk
The rear pump was an unregulated spur gear type driven from the transmission output shaft, which meant it was capable of pressurizing the transmission if the vehicle was in motion.
From the en.wikipedia.org
Transmission fluid leaked from the chassis, and eventually the drive shaft fell off.
From the thestate.com
Torque from a prime mover or transmission, such as the drive shaft of a car, rotates this carrier.
From the en.wikipedia.org
It has a custom transmission and all-aluminum drive shaft.
From the freep.com
With a shaft drive transmission, a gear set at the bottom bracket turns the shaft, which then turns the rear wheel via a gear set connected to the wheel's hub.
From the en.wikipedia.org
Prior to electrification factories were usually powered by a centrally located steam engine, with the power carried throughout the factory using an arrangement known as line shaft transmission.
From the en.wikipedia.org
The rotor is connected to a transmission, which itself is bolted to the airframe, and the turboshaft engine simply feeds the transmission via a rotating shaft.