Milwaukee Resistors Large Resistor Assembly in Enclosure for a P&H Mining Shovel 

Type: Pro744
No. 80Q151
30-50 ohm

There is 15 large individual resistors inside the enclosure.

Enclosure measures: 18"x15"x12"

Picked this up at a mine surplus auction. Listing it as used - but I think it's still new. There was no packaging with the unit. This was a lot cleaner than most the other equipment we bought - that's why I think it's unused.