Ben Kletzer Wrote:
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> Great photo, Bob.
> A question about the Dunsmuir helpers, in the late
> 60s through 80's were the helpers usually 8400's
> SD40s or did other power help up the hill here?
> And how far did the helpers usually go?
>
> Thanks,
> Ben Kletzer

For 67-71, SD40 and 45s with a few SD9s thrown in. As the tunnel motors came into play with the 70s, they showed up along with UP SD40-2s. Helpers generally went as far as Grass Lake, but could cut off anywhere short of Grass Lake if the train was making track speed and the helper wasn't needed for dynamic braking on a westbound.