Altamont Press Discussion Board :: Discussion :: Re: Newest custom built F40PH-3C arrives

Re: Newest custom built F40PH-3C arrives

Author: J

Date: 01-17-2007 - 19:41

almo Wrote:
-------------------------------------------------------
> Sorry to get a little off topic concerning the
> F40PH-3C. Would be great to see a pic.
>
> I've always wondered........
>
> How old were the Amtrak SDP40's when they started
> to be retired? Were the F40PH's fitted with the
> actual prime movers that the SDP's had when they
> got traded in?

Many of the SDP40's did "donate" engines and other systems to constructe the F40C's. The SDP40's (they were equipped with HTC trucks - a vertical hydraulic damper on the center axle is a spotting feature) were found to have a tracking problem after several high-profile derailments. Interestingly current SD40/45-2 production had the same trucks with no known problems. A few SDP40's were picked up by ATSF who added shallow front walkways on the front pilot - the corners of the hoods were notched to provide clearance.

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Subject	Written By	Date/Time (PST)
Newest custom built F40PH-3C arrives	Altamont Sign Crew	01-16-2007 - 11:53
Re: Newest custom built F40PH-3C arrives	almo	01-16-2007 - 23:10
Re: Newest custom built F40PH-3C arrives	Sasquatch	01-17-2007 - 08:11
Re: Newest custom built F40PH-3C arrives	J	01-17-2007 - 19:41
DLMX 644	Bruce Butler	01-17-2007 - 21:18
Re: DLMX 644	Severe Duty	11-24-2011 - 04:58
Re: Newest custom built F40PH-3C arrives	Freericks	01-18-2007 - 10:11
Re: Newest custom built F40PH-3C arrives	Mike Swanson	01-18-2007 - 21:47
No separate HEP generator on a F40C	Matt K	01-19-2007 - 07:44
Ooops, you DID say alternator, my bad	Matt K	01-19-2007 - 07:46
Re: Newest custom built F40PH-3C arrives	J	01-19-2007 - 04:53

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J Wrote:
-------------------------------------------------------
> almo Wrote:
> --------------------------------------------------
> -----
> > Sorry to get a little off topic concerning the
> > F40PH-3C. Would be great to see a pic.
> > 
> > I've always wondered........
> > 
> > How old were the Amtrak SDP40's when they
> started
> > to be retired? Were the F40PH's fitted with the
> > actual prime movers that the SDP's had when
> they
> > got traded in? 
> 
> Many of the SDP40's did "donate" engines and other
> systems to constructe the F40C's.  The SDP40's
> (they were equipped with HTC trucks - a vertical
> hydraulic damper on the center axle is a spotting
> feature) were found to have a tracking problem
> after several high-profile derailments. 
> Interestingly current SD40/45-2 production had the
> same trucks with no known problems.  A few SDP40's
> were picked up by ATSF who added shallow front
> walkways on the front pilot - the corners of the
> hoods were notched to provide clearance.

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