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{{Short description|American diesel locomotive}}
{{Infobox locomotive
{{Infobox locomotive
| name = GE P30CH
| name = GE P30CH
⚫
| powertype = [[Diesel-electric]]
| image = File:Amtrak 712 with a Peninsula Commute train, October 1978.jpg
| image = File:Amtrak 712 with a Peninsula Commute train, October 1978.jpg
| alt =
| alt =
| caption = Amtrak #712 in [[Southern Pacific Transportation Company|Southern Pacific]] service on the [[Peninsula Commute]] in 1978.
| caption = Amtrak #712 in [[Southern Pacific Transportation Company|Southern Pacific]] service on the [[Peninsula Commute]] in 1978.
⚫
| powertype = [[Diesel-electric]]
| builder = [[GE Transportation Systems]]
| builder = [[GE Transportation Systems]]
| ordernumber =
| ordernumber =
| serialnumber =
| serialnumber =
| buildmodel = P30CH
| buildmodel = P30CH
| builddate = 1975-76
| builddate = 1975–76
| totalproduction = 25
| totalproduction = 25
| rebuilder =
| rebuilder =
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| trailingdiameter =
| trailingdiameter =
| minimumcurve = [[Degree of curvature|29°]] ({{convert|199.70|ft|m|2|abbr=on|disp=or}}) <!-- [[sine rule]] -->
| minimumcurve = [[Degree of curvature|29°]] ({{convert|199.70|ft|m|2|abbr=on|disp=or}}) <!-- [[sine rule]] -->
| wheelbase = {{convert|46|ft|0|in|m|2|abbr=on}} locomotive<br> {{convert|13|ft|7|in|m|2|abbr=on}} truck
| wheelbase = Locomotive:
{{convert|46|ft|m|2|abbr=on}}<br />Truck: {{convert|13|ft|7|in|m|2|abbr=on}}
| length = {{convert|72|ft|4|in|m|2|abbr=on}}
| length = {{convert|72|ft|4|in|m|2|abbr=on}}
| width = {{convert|10|ft|8.8|in|m|2|abbr=on}}
| width = {{convert|10|ft|8.8|in|m|2|abbr=on}}
| height = {{convert|15|ft|4+1/2|in|m|2|abbr=on}}
| height = {{convert|15|ft|4+1/2|in|m|2|abbr=on}}
| axleload = {{convert|64333.33|lb|kg|0|abbr=in}}
| axleload = {{convert|64333|lb|kg|0|abbr=on}}
| weightondrivers = 100%
| weightondrivers = 100%
| locoweight = {{convert|386000|lb|kg|0|abbr=on}}
| locoweight = {{convert|386000|lb|kg|0|abbr=on}}
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| tractionmotors = 6x GE 752 DC traction motors
| tractionmotors = 6x GE 752 DC traction motors
| cylindercount = 16
| cylindercount = 16
| cylindersize = {{convert|10.95|l|cuin|sp=us}}
| cylindersize = {{convert|10.95|L|cuin|sp=us}}
| transmission = 75:28 gearing
| transmission = 75:28 gearing
| multipleworking = Yes
| multipleworking = Yes
| maxspeed = {{convert|103|mph|kph|2}}
| maxspeed = {{convert|103|mph|kph|abbr=on}}
| poweroutput = {{convert|3,000|hp|kW|abbr=on}}
| poweroutput = {{convert|3,000|hp|kW|abbr=on}}
| tractiveeffort = {{convert|58,980|lbf|kN|abbr=on|sigfig=3}} @ {{convert|14.7|mph|abbr=on}}
| tractiveeffort = {{convert|58,980|lbf|kN|abbr=on|sigfig=3}} @ {{convert|14.7|mph|abbr=on}}
| factorofadhesion =
| factorofadhesion =
| trainheating = Locomotive-supplied [[head-end power]] rated at {{convert|750|kW|hp|abbr=on}}
| trainheating = Locomotive-supplied [[head-end power]] rated at 750 kW
| locobrakes = Pneumatic (26L) & [[Dynamic braking (locomotive)|Dynamic]]
| locobrakes = Pneumatic (26L) & [[Dynamic braking (locomotive)|Dynamic]]
| locobrakeforce =
| locobrakeforce =
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| deliverydate =
| deliverydate =
| firstrundate =
| firstrundate =
| lastrundate = 1992
| lastrundate = 1991
| retiredate =
| retiredate =
| withdrawndate =
| withdrawndate =
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| scrapdate =
| scrapdate =
| currentowner =
| currentowner =
| disposition = All presumed scrapped, none preserved
| disposition = All scrapped
| notes = Sources:<ref>{{cite web|url=http://www.trainlife.com/public/magazine_page/57/4d/05/5430f_42d3.jpg?c%3Dfc65 |title=Archived copy |access-date=2015-04-29 |url-status=dead |archive-url=https://web.archive.org/web/20150429163349/http://www.trainlife.com/public/magazine_page/57/4d/05/5430f_42d3.jpg?c=fc65 |archive-date=2015-04-29 }}</ref>
| notes = Sources:<ref>{{cite web|url=http://www.trainlife.com/public/magazine_page/57/4d/05/5430f_42d3.jpg?c%3Dfc65 |title=Archived copy |access-date=2015-04-29 |url-status=dead |archive-url=https://web.archive.org/web/20150429163349/http://www.trainlife.com/public/magazine_page/57/4d/05/5430f_42d3.jpg?c=fc65 |archive-date=2015-04-29 }}</ref>
}}
}}
The '''GE P30CH''' (nicknamed "Pooch" because of the similarity of the designation) was one of the first brand-new [[diesel-electric locomotive]]s built for [[Amtrak]] by [[General Electric]] during Amtrak's early years. The design was based on the [[GE U30C]], but had a cowl carbody like its [[Electro-Motive Diesel|EMD]] competitors. Amtrak operated them from 1974–1992.
The '''GE P30CH''' was one of the first brand-new [[diesel-electric locomotive]]s built for [[Amtrak]] by [[General Electric]] during Amtrak's early years. The design was based on the [[GE U30C]], but had a cowl carbody like its [[Electro-Motive Diesel|EMD]] competitors. Amtrak operated them between 1975 and 1992.

==History==
⚫
Amtrak ordered 25 P30CHs in 1974, following up on its order of 40 [[EMD SDP40F]]s in 1973. The designation "P30CH" stood for the following: "P" for passenger service, "30" for the 3,000 horsepower V16 GE 7FDL diesel engine, "C" for [[Co-Co locomotives|C-C]] wheel arrangement, and "H" for head-end power. This designation led to nicknamed "Pooch".

The P30CH was the first Amtrak diesel locomotive built from the factory to offer HEP ([[head end power]]) in the form of 2 [[Detroit Diesel]] generator sets, each rated at 375 kW for a combined total of 750 kW.

⚫
The six-axle P30CHs, which cost Amtrak $480,000 each,<ref name="solomon" />{{rp|105}} were plagued with mechanical problems and were never very popular with crews or Amtrak management. In the mid-1970s Amtrak moved away from six-axle designs in favor of four-axle units; four-axle locomotives could better handle routes with numerous curves.<ref name="prn1994" />{{rp|34}} Ultimately the four-axle [[EMD F40PH]]s quickly began to supersede the P30CHs soon after their introduction by Amtrak.


Amtrak leased fifteen to the [[Southern Pacific Railroad]] in 1978 for use on the [[Peninsula Commute]] between [[San Francisco, California|San Francisco]] and [[San Jose, California]].<ref name="prn1978" />{{rp|12}} [[Caltrans]] leased several P30CHs for its abortive [[Oxnard, California|Oxnard]]–[[Los Angeles]] "[[CalTrain (Los_Angeles)|CalTrain]]" commuter service.<ref name="prn1983" />
⚫
The designation "P30CH" stood for the following: "P" for passenger service, "30" for 3,000 horsepower engine, "C" for [[Co-Co locomotives|C-C]] wheel arrangement, and "H" for head-end power.


Two units were wrecked prior to official retirement. In 1977,P30CH #713 was involved in a collision<ref>{{Cite web|title=AMTK 713 - Wrecked|url=http://www.rrpicturearchives.net/showPicture.aspx?id=3411020|access-date=2020-12-27|website=www.rrpicturearchives.net}}</ref> with some [[Logging truck|log trucks]]. In 1979 P30CH #715 was involved in a [[Harvey, Illinois train collision|collision]] with an [[Illinois Central Railroad|Illinois Central]] freight train.
⚫
Amtrak ordered 25 P30CHs in 1974, following up on its order of 40 [[EMD SDP40F]]s in 1973. The P30CH was the first Amtrak diesel locomotive built from the factory to offer HEP ([[head end power]]) in the form of 2 [[Detroit Diesel]] generator sets, each rated at 375&nbsp;kW. The six-axle P30CHs, which cost Amtrak $480,000 each,<ref name="solomon" />{{rp|105}} were plagued with mechanical problems and were never very popular with crews or Amtrak management. In the mid-1970s Amtrak moved away from six-axle designs in favor of four-axle units; four-axle locomotives could better handle routes with numerous curves.<ref name="prn1994" />{{rp|34}} Ultimately the four-axle [[EMD F40PH]]s quickly began to supersede the P30CHs soon after their introduction by Amtrak.


Amtrak leased fifteen to the [[Southern Pacific Railroad]] in 1978 for use on the [[Peninsula Commute]] between [[San Francisco, California|San Francisco]] and [[San Jose, California]].<ref name="prn1978" />{{rp|12}} [[Caltrans]] leased several P30CHs for its abortive [[Oxnard, California|Oxnard]]–[[Los Angeles]] "[[CalTrain]]" commuter service.<ref name="prn1983" /> In 1978, P30CH #713 was involved in a collision<ref>{{Cite web|title=AMTK 713 - Wrecked|url=http://www.rrpicturearchives.net/showPicture.aspx?id=3411020|access-date=2020-12-27|website=www.rrpicturearchives.net}}</ref> with some [[Logging truck|log trucks]]. In 1979 P30CH #715 was involved in a [[Harvey, Illinois train collision|collision]] with an [[Illinois Central Railroad|Illinois Central]] freight train. In the later years of their Amtrak careers, the locomotives were used regularly into the mid-1980s on the ''[[Sunset Limited]]'' and ''[[Auto Train (Amtrak)|Auto Train]]'' routes.<ref name="solomon" />{{rp|105}} With the introduction of the [[GE Genesis|Genesis series]] and the [[GE Dash 8-32BWH|Dash 8-32BWH series]], the P30CHs had their final runs in late 1991;<ref name="prn1994" />{{rp|34}} (with one being sold off for use in safety tests<ref>https://www.youtube.com/watch?v=JtMbpw-9EJE</ref>) and all have been presumed scrapped.
In the later years of their Amtrak careers, the locomotives were used regularly into the mid-1980s on the ''[[Sunset Limited]]'' and ''[[Auto Train (Amtrak)|Auto Train]]'' routes.<ref name="solomon" />{{rp|105}} With the introduction of the [[GE Genesis|Genesis series]] and the [[GE Dash 8-32BWH|Dash 8-32BWH series]], the P30CHs had their final runs in late 1991;<ref name="prn1994" />{{rp|34}} (with one being sold off for use in safety tests) and all have been presumed scrapped.


==Original owners==
==Original owners==
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| 25
| 25
| 40694-40718
| 40694-40718
| 15 units leased to Southern Pacific in 1978. 715 wrecked and retired after being involved in the [[Harvey, Illinois train collision]]
| 15 units leased to Southern Pacific in 1978. 713 wrecked and retired after a grade crossing accident in 1977.
715 wrecked and retired after being involved in the [[Harvey, Illinois train collision]]
|}
|}


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==External links==
==External links==
* {{commonscat-inline|GE P30CH locomotives}}
* {{commons category-inline|GE P30CH locomotives}}


{{Amtrak rollingstock}}
{{Amtrak rollingstock}}

Latest revision as of 19:52, 18 May 2024

GE P30CH
Amtrak #712 in Southern Pacific service on the Peninsula Commute in 1978.
Type and origin
Power typeDiesel-electric
BuilderGE Transportation Systems
ModelP30CH
Build date1975–76
Total produced25
Specifications
Configuration:
​
 • AARC-C
 • UICCo′Co′
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
TrucksGE 3-axle floating bolster
Wheel diameter40 in (1,016 mm)
Minimum curve29° (199.70 ft or 60.87 m)
WheelbaseLocomotive: 46 ft (14.02 m)
Truck: 13 ft 7 in (4.14 m)
Length72 ft 4 in (22.05 m)
Width10 ft 8.8 in (3.27 m)
Height15 ft 4+1⁄2 in (4.69 m)
Axle load64,333 lb (29,181 kg)
Adhesive weight100%
Loco weight386,000 lb (175,087 kg)
Fuel typeDiesel
Fuel capacity3,600 US gal (14,000 L; 3,000 imp gal)
Lubricant cap.380 US gal (1,400 L; 320 imp gal)
Water cap.385 US gal (1,460 L; 321 imp gal)
Sandbox cap.56 cu ft (1.59 m3)
Prime moverGE 7FDL16
RPM range450-1050
Engine typeV16 diesel
AspirationTurbocharged
Displacement175.2 liters (10,690 cu in)
AlternatorGTA11
Traction motors6x GE 752 DC traction motors
Cylinders16
Cylinder size10.95 liters (668 cu in)
Transmission75:28 gearing
MU workingYes
Train heatingLocomotive-supplied head-end power rated at 750 kW
Loco brakePneumatic (26L) & Dynamic
Train brakesPneumatic
Performance figures
Maximum speed103 mph (166 km/h)
Power output3,000 hp (2,200 kW)
Tractive effort58,980 lbf (262 kN) @ 14.7 mph (23.7 km/h)
Career
OperatorsAmtrak, some leased to SP
NicknamesPooch
Last run1991
DispositionAll scrapped
Sources:[1]

The GE P30CH was one of the first brand-new diesel-electric locomotives built for Amtrak by General Electric during Amtrak's early years. The design was based on the GE U30C, but had a cowl carbody like its EMD competitors. Amtrak operated them between 1975 and 1992.

History

[edit]

Amtrak ordered 25 P30CHs in 1974, following up on its order of 40 EMD SDP40Fs in 1973. The designation "P30CH" stood for the following: "P" for passenger service, "30" for the 3,000 horsepower V16 GE 7FDL diesel engine, "C" for C-C wheel arrangement, and "H" for head-end power. This designation led to nicknamed "Pooch".

The P30CH was the first Amtrak diesel locomotive built from the factory to offer HEP (head end power) in the form of 2 Detroit Diesel generator sets, each rated at 375 kW for a combined total of 750 kW.

The six-axle P30CHs, which cost Amtrak $480,000 each,[2]: 105  were plagued with mechanical problems and were never very popular with crews or Amtrak management. In the mid-1970s Amtrak moved away from six-axle designs in favor of four-axle units; four-axle locomotives could better handle routes with numerous curves.[3]: 34  Ultimately the four-axle EMD F40PHs quickly began to supersede the P30CHs soon after their introduction by Amtrak.

Amtrak leased fifteen to the Southern Pacific Railroad in 1978 for use on the Peninsula Commute between San Francisco and San Jose, California.[4]: 12  Caltrans leased several P30CHs for its abortive Oxnard–Los Angeles "CalTrain" commuter service.[5]

Two units were wrecked prior to official retirement. In 1977,P30CH #713 was involved in a collision[6] with some log trucks. In 1979 P30CH #715 was involved in a collision with an Illinois Central freight train.

In the later years of their Amtrak careers, the locomotives were used regularly into the mid-1980s on the Sunset Limited and Auto Train routes.[2]: 105  With the introduction of the Genesis series and the Dash 8-32BWH series, the P30CHs had their final runs in late 1991;[3]: 34  (with one being sold off for use in safety tests) and all have been presumed scrapped.

Original owners

[edit]

GE produced 25 P30CHs, all of which were delivered to Amtrak:[citation needed]

Original Owner Road Numbers Quantity Builder Numbers Notes
Amtrak 700-724 25 40694-40718 15 units leased to Southern Pacific in 1978. 713 wrecked and retired after a grade crossing accident in 1977.

715 wrecked and retired after being involved in the Harvey, Illinois train collision

References

[edit]
  1. ^ "Archived copy". Archived from the original on 2015-04-29. Retrieved 2015-04-29.{{cite web}}: CS1 maint: archived copy as title (link)
  2. ^ a b Solomon, Brian (2004). Amtrak. Saint Paul, Minnesota: MBI. ISBN 978-0-7603-1765-5.
  3. ^ a b Glischinkski, Steve (September 1994). "Cowls". Pacific RailNews. No. 370. pp. 31–37. Archived from the original on 2014-09-12.
  4. ^ "Amtrak GEs Take over Espee Commuter Work". Pacific RailNews. Vol. 18, no. 7. July 1978. pp. 12–13. Archived from the original on 2014-09-12.
  5. ^ Caldwell, Charles M. (February 1983). "Southern Pacific". Pacific RailNews. Vol. 22, no. 2. p. 12. Archived from the original on 2014-09-11.
  6. ^ "AMTK 713 - Wrecked". www.rrpicturearchives.net. Retrieved 2020-12-27.
[edit]
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