OK, here's a fairly short list to compile - surviving EMD SDP units - SDP35, SDP40, SDP45 and we'll include the Amtrak SDP40F. Not a big list due to the relatively small number of these units built (except the Amtrak units) and the fact that most were built late in the pre-Amtrak game. The Erie Lackawanna units were freight units, but we'll count them as well.

SDP35
Seaboard 1104 rebuilt, serves as Squaw Creek Southern Railroad 11
Seaboard 1111 last operating unit in its original carbody. Southwest Portland Cement 411
Seaboard 1114 displayed by the depot in Hamlet, North Carolina.

SDP40
Great Northern 3?? To Montana Rail Link 210
Great Northern 325 To Minnesota Transportation Museum

SDP45
SP units all gone
GN - any survivors?

EL - 3639 at Roanoke
Others rebuilt and still around?

SDP40F
Amtrak 644 - Portland Oregon
Amtrak ??? EMD Test unit

Any others?

SDP40F
Amtrak 509 > EMDX 218 - TTCI Pueblo, Colorado
Amtrak 609 > EMDX 169 - TTCI Pueblo, Colorado
Amtrak 644 > DYRX 644 - Ogden, Utah

MRL 210 is former GN 321.

From the "MRL Motive Power Page"http://pnwr.qstation.org/MRLMotivePower/index.html

--MRL 290 ex-MRL 6395, ex-BN 6395, ex-BN 9851, ex-GN 321

Michael Seitz
Missoula MT

The list of SDP40's is longer than that.

KCS SD22ECO's 2600 & 2601 are former Mexican SDP40's. And then there's Montana Rail Link's #290, a former Great Northern unit that was still active as of December. And the Rio Grande Valley Switching Company has another GN unit and I believe that there are others as well that are still extant like GCFX 3093, a former GN unit supposedly rebuilt at VMV back in 2008 (Can't find any recent pictures though). Edit: The GCFX and Rio Grande Valley locomotives are apparently the same unit, former GN #323.

And there are additional SDP45's as well. The #332 survives on MRL and is a former EL unit. And this reasonably up to date site suggests that perhaps 4 more survive from the Erie Lackawanna in addition to the two that have now been mentioned.

http://1stclass.mylargescale.com/Scotty ... Survivors/

is Great Northern SDP45 #333 still around? The latest thing I could find is a post from someone stating that they photographed her in 1999 in derelict condition at a rebuilder. Probably didn't end up as a rebuild core for a SD40-2 or -3 at that late stage since such rebuilding was winding down by then, but you never know. This is the one that tested the unique 4 axle truck for EMD on Stampede Pass in the 1980's.

http://www.railpictures.net/photo/524778/

Conrail SDP45 6694 is still in Pittston, PA

CNJ, the SDP in Pittston was scrapped a couple years ago.

I seem to recall the UP donated a SDP35 or two to somebody.

-Hudson

No Union Pacific SDP35 survived. 8 of the 10 were sold for scrap in St. Louis in the mid 1980's, a 9th was traded in to EMD and scrapped at the usual location, and a 10th was sold for scrap in Kansas.

The unit that went to EMD, #1407, was initially donated to the Orange Empire Railway Museum. But the donation was then withdrawn and she went to EMD.

EL 3657 still lives. There are apparently good plans in store for her. She is one of the two SDP45s that were rebuilt to -2 specs in 1973.

As I recall, this occurred at the time when Orange Empire was offered either the diesel locomotive or the Yakima Traction Baldwin-Westinghouse electric freight locomotive that once ran on the Glendale & Montrose. The decision was made to accept the electric locomotive that had a very specific historic value to the Southern California (Greater Los Angeles) area railway history.