Western Railroad Discussion > e/b 2x2x2 stacks

i caught this e/b 2x2x2 stack train e/of c.p. walapai (between kingman and hackberry, az) on the bnsf's seligman sub this morning.  sure is nice to see sd 70aces out here.........

66

 

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Great video and sound of a great line.  I was coming west one time along old Route 66 and stopped near here, and loved listening to the trains pass by, no horn, just working hard.

DPU question:  I noticed 2 of the units are the "C4" type with an idler axle.  Does the engineer have the ability to raise or lower those axles from the front end, via DPU controls?

Great to see your video and please keeping on taking more!!!! Thanks for great sharing! (smile)

From Clifford Cook
Yass NSW Australia.

Hey Coach  which consist are you reering to ? the middle helper or the rear helper?  coach Wrote:
-------------------------------------------------------
> Great video and sound of a great line.  I was
> coming west one time along old Route 66 and
> stopped near here, and loved listening to the
> trains pass by, no horn, just working hard.
>
> DPU question:  I noticed 2 of the units are the
> "C4" type with an idler axle.  Does the engineer
> have the ability to raise or lower those axles
> from the front end, via DPU controls?

Don't matter which consist. Engineers have no control over that C4 axle, I'd say 3 outta 4 dont even know about that feature. 

The idler axles are sprung and needed to control the 420,000lbs+/- locomotive weight and braking.