Bucyrus-Erie "Doubler" electric shovel

The Bucyrus-Erie "Doubler" electric shovel doubled the dipper capacity of a standard shovel. The 150-B in this video featured a 13-cu.-yd. dipper when equipped with the Doubler. However, the Doubler never surpassed the prototype stage and was not considered a success because of its complicated bucket linkage system and high maintenance requirements.
This video was was compiled, narrated and produced by Keith Haddock for the Historical Construction Equipment Association.

[@lowercherty]

It was a fair concept but kind of overreached. Hanna had one on a 150B and one on a 190B in Minnesota for a while. This looks like the 150B at Butler Taconite. One operator I knew actually liked it, the ride in the cab was better than a standard 190B. There were problems with the hydraulics and the carbodies took a beating from the extra weight.

[@BillRayDrums]

Compared to the face shovels of modern times, this is almost painful to watch! Great documentary though!