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Southern Pacific 7551

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Southern Pacific 7551
Type and origin
References:[1]
Power typeDiesel
BuilderElectro-Motive Division (EMD)
Order number7138
Serial number34353
ModelEMD SD45
EMD SD45R
Build dateDecember 1968
RebuilderSouthern Pacific's Sacramento Shops
Rebuild dateAugust 1985
Specifications
Configuration:
 • AARC-C
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Length65 feet 8 inches (20.02 m); 65 feet 9 12 inches (20.053 m) on some units starting early 1968.
Loco weight368,000 pounds (167,000 kg)
Prime moverEMD 20-645E3
Engine typeV20 diesel
GeneratorAR10B
Cylinders20
Performance figures
Maximum speed71 miles per hour (114 km/h)
Power output3,600 hp (2,680 kW)
Tractive effortStarting: 92,000 lbf (410 kN)
Continuous: 82,100 lbf (365 kN) @ 11 mph (18 km/h)
Career
OperatorsSouthern Pacific Transportation Company
ClassEF636-4
EF636LR-3
Numbers8985 (1968-1985), 7551 (1985-1989)
Last runMay 12, 1989
DispositionDestroyed in the San Bernardino train disaster, scrapped

Southern Pacific 7551 (also known as Southern Pacific 8985) was an EMD SD45/EMD SD45R diesel locomotive originally built in December of 1968 by the General Motors Electro-Motive Division for the Southern Pacific Railroad.[1][2]

History[edit]

Construction and delivery[edit]

Southern Pacific 7551 was constructed in 1968 by the General Motors Electro-Motive Division and began its life as Southern Pacific #8985[1][2] and it was delivered to the Southern Pacific Railroad in 1969 and classified by the Southern Pacific as a EF636-4.[2]

Rebuild and paint schemes[edit]

Then, in August of 1985, Southern Pacific #8985 was later rebuilt at the Southern Pacific's Sacramento Shops in Sacramento, California under the Southern Pacific's M-99 rebuild program into an EMD SD45R and renumbered as #7551 and even reclassified as a EF636R-3.[1][2][3][4] Upon being delivered in 1968 as #8985, the locomotive was originally painted in the Southern Pacific's "Bloody Nose" livery, but would later be painted into the "Kodachrome" livery of the proposed merger between Southern Pacific and Santa Fe and would be the first locomotive on the Southern Pacific to ever receive the SPSF "Kodachrome" livery.[2][5][6]

Last run and disposition[edit]

A sketch of the accident site where Southern Pacific #7551 crashed at.

On May 12th, 1989, Southern Pacific #7551 was hooked on Southern Pacific freight train SP 7551 East (computer symbol 1 MJLBP-11) that was transporting trona, which had a total of 69 open top hopper cars.[7]

But somehow, while the train was being set up at the Mojave Rail Yard in Mojave, California, the locomotive wouldn't start and it was unknown why it couldn't start nor if it was fixable so they had to borrow EMD SD40T-2 #8278 out of Mojave Yard to become the new leader of SP 7551 East.[8]

Southern Pacific #7551 wrecked on May 12th, 1989 at Duffy Street in San Bernardino, California.

However, the locomotive along with SD45R #7549, SD40T-2 #8278 and SD45T-2 #9340 would be destroyed in a rail crash when SP 7551 East had ran away down the Cajon Pass, derailed and crashed into a set of houses at Duffy Street in San Bernardino, California.[9][8][7]

After the accident, #7551 was deemed a total loss and was scrapped on site.[7][8]

References[edit]

  1. 1.0 1.1 1.2 1.3 Signor (2005), p. 23
  2. 2.0 2.1 2.2 2.3 2.4 Shine, Joseph W. (1988). Southern Pacific Motive Power Pictorial 1987/88 - The Interim Years (1st ed.). Four-Ways West Publications. p. 19. ISBN 9780961687434. Search this book on
  3. wrp_admin (2021-06-17). "SPSF: Shouldn't Paint So Fast". Railfan & Railroad Magazine. Retrieved 2023-09-20.
  4. "SP Rebuild Programs". utahrails.net. Retrieved 2023-09-30.
  5. Shippen (1999), p. 31
  6. Railmodel Journal: Volume 7, No. 3 - August 1995. Golden Bell Press. 1995. p. 28. Search this book on
  7. 7.0 7.1 7.2 Harvey (2015), p. 14-15
  8. 8.0 8.1 8.2 Bibel (2012), p. 215
  9. Main (1994), p. 3

Further reading[edit]

External links[edit]


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