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{{Short description|Preserved EMD SD7 diesel locomotive}} {{Short description|Preserved EMD SD7R diesel locomotive}}
{{Infobox locomotive {{Infobox locomotive
| name = Southern Pacific 1518 | name = Southern Pacific 1518
| image = SP 1518 EMD SD7 at IRM.jpg | image = 2023-05-27 13-58-47.D800.irm.nef.hdr.t.jpg
| caption = Southern Pacific #1518 in operation at the ] in ] | caption = Southern Pacific #1518 inside Barn 9 at the ] in ] on May 27, 2023.
| operator = *] | operator = ]<br>]<br>]
*]
| builder = ] (EMD) | builder = ] (EMD)
| serialnumber = 15990
| buildmodel = ] | buildmodel = ]<br>]
| powertype = Diesel | powertype = Diesel-electric
| fleetnumbers = 990<br>5308<br>2715<br>1415<br>1518 | fleetnumbers = EMD 990<br>SP 5308<br>SP 2715<br>SP 1415<br>SP 1518
| currentowner = ] | currentowner = ]
| disposition = Operational | disposition = Operational
| builddate = May 1951 | builddate = May 1951
| rebuilder = SP's Sacramento Shops
| rebuilddate = February 1980
| deliverydate = October 1952 | deliverydate = October 1952
| operatorclass = *DF-116 | operatorclass = SP Class DF-116<br>SP Class ES615-2<br>SP Class ES615R-1
*ES615-2
| poweroutput = {{convert|1500|hp|abbr=on|lk=in}} | poweroutput = {{convert|1500|hp|abbr=on|lk=in}}
| length = {{convert|60|ft|8|in|abbr=on}} | length = {{convert|60|ft|8|in|abbr=on}}
Line 26: Line 27:
| aarwheels = C-C | aarwheels = C-C
}} }}

] (SP) number '''1518''' is an ], and was the first ever SD series ], originally built in May 1951 as ]'s (EMD) prototype Demonstrator #990.<ref name=":0">{{cite web| publisher=Illinois Railway Museum| url=http://www.irm.org/cgi-bin/rsearch.cgi?diesel=Southern+Pacific=1518| title=IRM Roster - Southern Pacific 1518| accessdate=2008-06-27}}</ref><ref name=":1">{{Cite web |title=Southern Pacific 1518 |url=https://www.irm.org/player/sp1518/ |access-date=2023-10-20 |website=Illinois Railway Museum |language=en-US}}</ref> '''Southern Pacific 1518''' is an ]/] and was the first ever SD (Special Duty) series ], originally built in May 1951 as ]'s (EMD) prototype Demonstrator #990.<ref name=":0">{{cite web| publisher=Illinois Railway Museum| url=http://www.irm.org/cgi-bin/rsearch.cgi?diesel=Southern+Pacific=1518| title=IRM Roster - Southern Pacific 1518| accessdate=2008-06-27}}</ref><ref name=":1">{{Cite web |title=Southern Pacific 1518 |url=https://www.irm.org/player/sp1518/ |access-date=2023-10-20 |website=Illinois Railway Museum |language=en-US}}</ref>


== History == == History ==

=== Construction and demonstration ===
Southern Pacific 1518 was constructed in May 1951 as EMD Demonstrator unit #990.<ref name=":0" /><ref name=":1" /> Its road number 990 was in reference to EMD Engineering Department's project number 15990. It successfully completed numerous demonstration tours for EMD on several railroads before being completely overhauled and subsequently sold to Southern Pacific.<ref name=":0" /><ref name=":1" /> Southern Pacific 1518 was constructed in May 1951 as EMD Demonstrator unit #990.<ref name=":0" /><ref name=":1" /> Its road number 990 was in reference to EMD Engineering Department's project number 15990. It successfully completed numerous demonstration tours for EMD on several railroads before being completely overhauled and subsequently sold to Southern Pacific.<ref name=":0" /><ref name=":1" />


During this overhaul at EMD's LaGrange, IL shops, the prime mover and electrical cabinet were refurbished and new wheelsets were installed. During the overhaul at the ]'s ] shops, the prime mover and electrical cabinet were refurbished, and new wheelsets were installed.<ref name=":37">{{Harvp|Shine|1991|p=9-56, 186}}</ref>

When 5308 was delivered to SP shortly thereafter, it was slightly different from all other SD7s in that it was their only SD7 to have dual control stands, a winterization hatch over its forward fan (a rare, early feature for SP at that time, but not entirely unbeknownst to them: several of their ]s and the odd ] also had them), and two single-bell Leslie A-200 horns mounted directly behind the cab atop the roof of the long hood.

Upon delivery, SP added a steam generator inside the short hood, a new radio, and a large "ashcan" signal light on the front of the short hood. As a result of its uniqueness, SP classified 5308 into its own single-unit class, DF-116. SP 5308 entered service at Ogden, UT, and was immediately sent to work on SP subsidiary ] alongside SP's other SD7s on 10/23/52, less than two full weeks after ownership had transferred from EMD to SP.

In the mid-1950s, SP repainted it in a modification of their famous "Black Widow" paint scheme, adding wings at both ends, signifying dual control stands. It is the SP's only SD7 to ever have feathers painted as such. Around 1959, SP's ubiquitous scarlet and grey "Bloody Nose" scheme was applied, which remains to the current day.

In 1965, 1518 was renumbered, becoming 2715. In the late 60s, the "ashcan" signal light was replaced with a Pyle National sealed-beam Gyralight package.


=== Delivery and revenue service ===
In 1970, 2715 was repainted without its rear wings but still retained its dual control stands. Sometime between 1970 and 1974, its steam generator and water tank were removed, and in 1974, it was renumbered to 1415. The May 1, 1975, SP roster designates 1415 as a Class ES615-2. By that date, the two Leslie A-200s were replaced with a Nathan P3 (right side) and an M5 (left side).
When 5308 was delivered to SP shortly thereafter, it was slightly different from all other SD7s in that it was their only SD7 to have dual control stands, a winterization hatch over its forward fan (a rare, early feature for SP at that time, but not entirely unbeknownst to them: several of their ]s and the odd ] also had them), and two single-bell Leslie A-200 horns mounted directly behind the cab atop the roof of the long hood.<ref name=":37" />


Upon delivery, SP added a steam generator inside the short hood, a new radio, and a large "ashcan" signal light on the front of the short hood. As a result of its uniqueness, SP classified 5308 into its own single-unit class, DF-116. SP 5308 entered service at ], and was immediately sent to work on the Southern Pacific's subsidiary the ] alongside the SP's other SD7 locomotives on October 23, 1952, less than two full weeks after ownership had transferred from EMD to Southern Pacific.<ref name=":37" />
By the 1980s, SP, like many roads, had to decide whether to scrap its first-generation power or rebuild it. Based on the success of the IC's and Santa Fe's rebuild programs, the SP sent its SD7s through the GRIP (General Rehabilitation and Improvement Program) process in its Sacramento shops. The locomotives were stripped to the frame and came out virtually as new units. Whatever hadn't been changed on 1415 during previous maintenance work was lost during the upgrade to an ].


In the mid-1950s, SP repainted it in a modification of their famous "Black Widow" paint scheme, adding wings at both ends, signifying dual control stands. It is the SP's only SD7 to ever have feathers painted as such. Around 1959, SP's ubiquitous scarlet and grey "Bloody Nose" scheme was applied, which remains to the current day.<ref name=":37" />
The unit received a reconditioned 16-567C block (modified to receive 645E liners, making it a 16-645CE), all-new electrical components and controls upgraded to Dash-2 standards, new traction motors, a full light package on both ends, and a modernized carbody with a slight hump behind the cab for the new electrical equipment. Gone were the dual controls, the winterization hatch, the Nathan horns, and dual fuel tanks. The dynamic brake blister remained, but the grids were internally disconnected. It emerged from the shops as SD7R 1518.


In 1965, 1518 was renumbered, becoming 2715. In the late 60s, the "ashcan" signal light was replaced with a Pyle National sealed-beam Gyralight package.<ref name=":37" />
SP got its money's worth, for 1518 served another 17 years before finally being sidelined in Los Angeles with mechanical issues.<ref>{{Cite web |title=SP Retirements, 1995-1997 |url=https://utahrails.net/sp/sp-retirements-metzger.php |access-date=2023-08-26 |website=utahrails.net}}</ref> Fortunately, when the UP and SP merged, UP recognized the historical significance of the locomotive and moved to the UP's ] in ], to be preserved. After spending time in storage, Southern Pacific 1518 was donated in April 2003 to the ] where it currently resides.


In 1970, 2715 was repainted without its rear wings but still retained its dual control stands. Sometime between 1970 and 1974, its steam generator and water tank were removed, and in 1974, it was renumbered to 1415. The May 1, 1975, Southern Pacific's roster had redesignated 1415 as a class ES615-2. By that date, the two Leslie A-200s were replaced with a Nathan P3 (right side) and an M5 (left side).<ref name=":37" />
1518 had not been started since its sidelining in 1997, but a few days after it arrived at IRM, the diesel team got her running. 1518 has been in operation since then and was running in the 2016 Diesel Days Parade of Power. 1518 again participated in 2017 and 2018 and has since been occasionally seen on the museum's Showcase Weekend special event.<ref>{{Cite news |last=Alberston |first=Bob. |title=EMD SD7-SP 1518, A precursor to all engines on rails today |journal=Railfan & Railroad |volume=15 |year=1996 |url=https://books.google.com/books?id=7-1VAAAAMAAJ |page=50}}</ref>


== See also == === Rebuild ===
By the 1980s, the ], like many railroads, had to decide whether to scrap its first-generation power or rebuild it. Based on the success of the ]'s and ]'s rebuild programs, Southern Pacific sent all 42 of their EMD SD7 locomotives through the General Rehabilitation and Improvement Program (GRIP) process in the SP's own Sacramento shops. The locomotives were stripped to the frame and came out virtually as new units and whatever hadn't been changed on 1415 during previous maintenance work was lost during the upgrade to an ].<ref name=":37" />


The unit received a reconditioned 16-567C block (modified to receive 645E liners, making it a 16-645CE), all-new electrical components and controls upgraded to Dash-2 standards, new traction motors, a full light package on both ends, and a modernized car body with a slight hump behind the cab for the new electrical equipment. Gone were the dual controls, the winterization hatch, the Nathan horns, and dual fuel tanks. The dynamic brake blister remained, but the grids were internally disconnected. It emerged from the shops as SD7R 1518 and was reclassified by the ] as an EF615R-1.<ref>Don Bain, '''', October 1985, p. 33</ref><ref>{{Cite web |title=SP R8 and GRIP, By Model |url=https://utahrails.net/sp/sp-r8-grip-by-model.php |access-date=2024-01-11 |website=utahrails.net}}</ref>
* ]
* ]
* ]


=== Retirement and preservation ===
Southern Pacific 1518 served another 17 years before being sidelined in ] due to developing mechanical issues.'''<ref name=":37" />'''<ref>{{Cite web |title=SP Retirements, 1995-1997 |url=https://utahrails.net/sp/sp-retirements-metzger.php |access-date=2023-08-26 |website=utahrails.net}}</ref> Fortunately, when the ] and its parent company ] had merged into ], UP had recognized the historical significance of the locomotive and moved 1518 to their ] in ], to be preserved.
] on July 5, 2008.]]
After spending time in storage, Southern Pacific 1518 was donated in April 2003 to the ] (IRM) where it currently resides. 1518 had not been started since its sidelining in 1997, but a few days after it arrived at the ] where the museum's diesel team had got 1518 restored to operational condition. 1518 has been in operation since then and was running in the 2016 ''Diesel Days Parade of Power''. 1518 had also participated in 2017 and 2018 and has since been occasionally seen on the museum's ''Showcase Weekend'' special event.<ref>{{Cite news |last=Alberston |first=Bob. |title=EMD SD7-SP 1518, A precursor to all engines on rails today |journal=Railfan & Railroad |volume=15 |year=1996 |url=https://books.google.com/books?id=7-1VAAAAMAAJ |page=50}}</ref>
== References == == References ==
{{reflist}} {{reflist}}


== Further reading == == Further reading ==
* {{Cite book |last=Shine |first=Joseph |title=SP into the '90's |publisher=Four Ways West Publications |year=1991 |isbn=9780685752104}}
* {{Cite news |last=Albertson |first=Bob |date=1996 |title=Railfan & Railroad, Volume 15 |work=Railfan & Railroad Magazine |url=https://books.google.com/books?id=7-1VAAAAMAAJ}} * {{Cite news |last=Albertson |first=Bob |date=1996 |title=Railfan & Railroad, Volume 15 |work=Railfan & Railroad Magazine |url=https://books.google.com/books?id=7-1VAAAAMAAJ}}
* {{Cite web |title=IRM Roster-Southern Pacific 1518 |url=https://www.irm.org/cgi-bin/rsearch.cgi?diesel=Southern+Pacific=1518 |access-date=2022-07-13}}


==External links== ==External links==
{{Commons category|Southern Pacific 1518}}{{Locomotives of Southern Pacific Railroad in preservation}} {{Commons|Category:Southern Pacific 1518|Southern Pacific 1518}}


* {{Cite web |title=IRM Roster-Southern Pacific 1518 |url=https://www.irm.org/cgi-bin/rsearch.cgi?diesel=Southern+Pacific=1518 |access-date=2022-07-13|url-status=live}}
{{Locomotives of Southern Pacific Railroad in preservation}}
] ]
] ]

Revision as of 02:56, 25 June 2024

Preserved EMD SD7R diesel locomotive
Southern Pacific 1518
Southern Pacific #1518 inside Barn 9 at the Illinois Railway Museum in Union, Illinois on May 27, 2023.
Type and origin
Power typeDiesel-electric
BuilderGeneral Motors Electro-Motive Division (EMD)
Serial number15990
ModelSD7
SD7R
Build dateMay 1951
RebuilderSP's Sacramento Shops
Rebuild dateFebruary 1980
Specifications
Configuration:
 • AARC-C
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Length60 ft 8 in (18.49 m)
Width10 ft 8 in (3.25 m)
Height14 ft 1 in (4.29 m)
Prime moverEMD 645CE
Engine typeV16 diesel
Cylinders16
Performance figures
Power output1,500 hp (1,100 kW)
Career
OperatorsSouthern Pacific Transportation Company
Union Pacific Railroad
Illinois Railway Museum
ClassSP Class DF-116
SP Class ES615-2
SP Class ES615R-1
NumbersEMD 990
SP 5308
SP 2715
SP 1415
SP 1518
DeliveredOctober 1952
Current ownerIllinois Railway Museum
DispositionOperational

Southern Pacific 1518 is an EMD SD7/EMD SD7R and was the first ever SD (Special Duty) series diesel locomotive, originally built in May 1951 as General Motors Electro-Motive Division's (EMD) prototype Demonstrator #990.

History

Construction and demonstration

Southern Pacific 1518 was constructed in May 1951 as EMD Demonstrator unit #990. Its road number 990 was in reference to EMD Engineering Department's project number 15990. It successfully completed numerous demonstration tours for EMD on several railroads before being completely overhauled and subsequently sold to Southern Pacific.

During the overhaul at the Electro-Motive Division's LaGrange, Illinois shops, the prime mover and electrical cabinet were refurbished, and new wheelsets were installed.

Delivery and revenue service

When 5308 was delivered to SP shortly thereafter, it was slightly different from all other SD7s in that it was their only SD7 to have dual control stands, a winterization hatch over its forward fan (a rare, early feature for SP at that time, but not entirely unbeknownst to them: several of their F7s and the odd GP20 also had them), and two single-bell Leslie A-200 horns mounted directly behind the cab atop the roof of the long hood.

Upon delivery, SP added a steam generator inside the short hood, a new radio, and a large "ashcan" signal light on the front of the short hood. As a result of its uniqueness, SP classified 5308 into its own single-unit class, DF-116. SP 5308 entered service at Ogden, Utah, and was immediately sent to work on the Southern Pacific's subsidiary the Northwestern Pacific Railroad alongside the SP's other SD7 locomotives on October 23, 1952, less than two full weeks after ownership had transferred from EMD to Southern Pacific.

In the mid-1950s, SP repainted it in a modification of their famous "Black Widow" paint scheme, adding wings at both ends, signifying dual control stands. It is the SP's only SD7 to ever have feathers painted as such. Around 1959, SP's ubiquitous scarlet and grey "Bloody Nose" scheme was applied, which remains to the current day.

In 1965, 1518 was renumbered, becoming 2715. In the late 60s, the "ashcan" signal light was replaced with a Pyle National sealed-beam Gyralight package.

In 1970, 2715 was repainted without its rear wings but still retained its dual control stands. Sometime between 1970 and 1974, its steam generator and water tank were removed, and in 1974, it was renumbered to 1415. The May 1, 1975, Southern Pacific's roster had redesignated 1415 as a class ES615-2. By that date, the two Leslie A-200s were replaced with a Nathan P3 (right side) and an M5 (left side).

Rebuild

By the 1980s, the Southern Pacific Transportation Company, like many railroads, had to decide whether to scrap its first-generation power or rebuild it. Based on the success of the Illinois Central's and Santa Fe's rebuild programs, Southern Pacific sent all 42 of their EMD SD7 locomotives through the General Rehabilitation and Improvement Program (GRIP) process in the SP's own Sacramento shops. The locomotives were stripped to the frame and came out virtually as new units and whatever hadn't been changed on 1415 during previous maintenance work was lost during the upgrade to an SD7R.

The unit received a reconditioned 16-567C block (modified to receive 645E liners, making it a 16-645CE), all-new electrical components and controls upgraded to Dash-2 standards, new traction motors, a full light package on both ends, and a modernized car body with a slight hump behind the cab for the new electrical equipment. Gone were the dual controls, the winterization hatch, the Nathan horns, and dual fuel tanks. The dynamic brake blister remained, but the grids were internally disconnected. It emerged from the shops as SD7R 1518 and was reclassified by the Southern Pacific as an EF615R-1.

Retirement and preservation

Southern Pacific 1518 served another 17 years before being sidelined in Los Angeles due to developing mechanical issues. Fortunately, when the Southern Pacific and its parent company Rio Grande Industries had merged into Union Pacific, UP had recognized the historical significance of the locomotive and moved 1518 to their heritage program roundhouse in Cheyenne, Wyoming, to be preserved.

Southern Pacific 1518 in operation at the Illinois Railway Museum on July 5, 2008.

After spending time in storage, Southern Pacific 1518 was donated in April 2003 to the Illinois Railway Museum (IRM) where it currently resides. 1518 had not been started since its sidelining in 1997, but a few days after it arrived at the Illinois Railway Museum where the museum's diesel team had got 1518 restored to operational condition. 1518 has been in operation since then and was running in the 2016 Diesel Days Parade of Power. 1518 had also participated in 2017 and 2018 and has since been occasionally seen on the museum's Showcase Weekend special event.

References

  1. ^ "IRM Roster - Southern Pacific 1518". Illinois Railway Museum. Retrieved 2008-06-27.
  2. ^ "Southern Pacific 1518". Illinois Railway Museum. Retrieved 2023-10-20.
  3. ^ Shine (1991), p. 9-56, 186
  4. Don Bain, CTC Board, October 1985, p. 33
  5. "SP R8 and GRIP, By Model". utahrails.net. Retrieved 2024-01-11.
  6. "SP Retirements, 1995-1997". utahrails.net. Retrieved 2023-08-26.
  7. Alberston, Bob. (1996). "EMD SD7-SP 1518, A precursor to all engines on rails today". Railfan & Railroad. Vol. 15. p. 50.

Further reading

External links

Locomotives of the Southern Pacific in preservation
Preserved steam engines
Preserved diesel engines
Formerly preserved, scrapped
Categories: