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Nostalgia & History > pair of D&RGW Krauss-Maffei ML 4000's


Date: 11/19/19 08:48
pair of D&RGW Krauss-Maffei ML 4000's
Author: valmont

ML4000 #4001 and #400? and dynamometer car. Location looks like the bridge adjacent to the old CB&Q roundhouse in Denver, don't have any other info.

 




Date: 11/19/19 08:59
Re: pair of D&RGW Krauss-Maffei ML 4000's
Author: CPW548

Valmont, I would agree that's the bridge over the South Platte River at Prospect Jct. Thinking they are headed to Burnham Shops, back in the day when almost everything went through DUD to go south.

Zach Green

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Date: 11/19/19 11:57
Re: pair of D&RGW Krauss-Maffei ML 4000's
Author: KM-ML4000

Also take note, the trailng KM has the D&RGWs experimental low air intaakes installed, which drew colder and cleaner air while in tunnels.



Date: 11/19/19 14:03
Re: pair of D&RGW Krauss-Maffei ML 4000's
Author: trackplanner

>Also take note, the trailng KM has the D&RGWs experimental low air intaakes installed, which drew colder and cleaner air while in tunnels.

Kind of an early tunnel motor concept...



Date: 11/19/19 17:33
Re: pair of D&RGW Krauss-Maffei ML 4000's
Author: PHall

trackplanner Wrote:
-------------------------------------------------------
> >Also take note, the trailng KM has the D&RGWs
> experimental low air intaakes installed, which
> drew colder and cleaner air while in tunnels.
>
> Kind of an early tunnel motor concept...

Maybachs don't like hot, dirty air.



Date: 11/19/19 21:51
Re: pair of D&RGW Krauss-Maffei ML 4000's
Author: Evan_Werkema

Seems like nearly every in-service photo of the Rio Grande KM's during their two-year stay shows them with that dynamometer car.  Was the car actually being used to test performance all that time, or was it being used as a crew car/tool car for KM or mechanical department personnel trying to keep the things running?



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