PRR Class X51 - 50' auto parts boxcars and subclasses

General information:

Cars on the PRR roster (as listed in the Official Railway Equipment Register (ORER)):

ClassCarNumberAAR ClassPRR Oct 44PRR Oct 48PRR Apr 52PRR Oct 53PRR Oct 58PRR Oct 63PRR Apr 68
X518210082497XML XL-----3434
X518310083599XAP XP----500497494
X51a8210082497XAP XP XM XML XL----397250228
X51c8380284301XAP XM----500500499
X51e607950608623XAP XP XM-----608616
X51l8210082497XAP XP XM XML XL-----3769
Roster data compiled by Rich Orr

Modeling Information:

X51HO-50' Auto Boxplastic-

Railworks imported a brass model of this car.

JM Johnson in his handout (PRRT&HS convention 1997) suggests kitbashing a X51 (or subclass) car from a Front Range 50' car. He replaces the ends with CB&T car shops, and the roof with one from a Walthers Golden Spike 50' reefer (out of production.)

Ed Bley at the 1994 PRRT&HS convention modeled an X51b from a Details West #BC700 Insulated 50' Plug Door Box Car. A summary of his procedure from the convention handout follows:

Photos online:

Report MarkClassDescriptionLocationDatePhotographer
PRR 671813X51cunder the wiresAberdeen, MD2/78Dick Leonhardt (from George Elwood's site)
PRR 82128X51cbroadside shotNorth Little Rock, AR-George Elwood
PRR 82360X51c-Fullerton, Ca10/23/75Ed Martin (Kodachrome 64)
PRR 83100X51Builders Photo, Side view (E21213)Altoona, PA-PRR Photo (B&W), collection of Bill Lane
PRR 83100X51Builders Photo, 3/4 view (E21214)Altoona, PA-PRR Photo (B&W), collection of Bill Lane
PRR 83100X51Builders Photo, A end view (E21215)Altoona, PA-PRR Photo (B&W), collection of Bill Lane

Photos in print:

ClassPublicationPageCar NoSchemeLocationDateComments
X51Mainline Modeler40PRR 83246?--end view
X51Mainline Modeler40PRR 83249SK1b---
X51Mainline Modeler41PRR 83331SK1b---
X51Mainline Modeler44PRR 83105PK---
X51Mainline Modeler45PRR 83241SK1b---
X51Mainline Modeler45PRR 83246SK1b---
X51PRR Color Guide Vol 186PRR 86276SK1b-12/70-
X51PRR Color Guide Vol 250PRR 83158SK1b-12/63-
X51PRR Color Guide Vol 363PRR 83231SK1b---
X51aMainline Modeler41PRR 82177PK---
X51aMainline Modeler44PRR 82177PK---
X51bKeystone Vol 21, #225-SK-4/77Closeup of Logo
X51bMainline Modeler41PRR 83753SK1b---
X51cKeystone Vol 21, #231PRR 92362SK1b---
X51cMainline Modeler44PRR 82362SK1b---
X51cMainline Modeler45?SK1b--crap paint
X51cPennsy Power 3413PRR 84054SK1b---
X51cPRR Color Guide Vol 186PRR 83687SK1b-9/76-
X51cPRR Color Guide Vol 364PRR 84130PK---
X51eKeystone Vol 12, #220PRR 608068SK2a---
X51eMainline Modeler, 10/9740PRR 607997SK2a-8/59-
X51eMainline Modeler, 10/9741PRR 608378SK2a-9/77Whitelined
X51eMainline Modeler, 10/9743PRR 607606SK2a-9/77-
X51eMainline Modeler, 10/9743PRR 608378SK2a-6/78poor paint
X51ePC Color Guide42PC 212127PCColumbus, OH5/72nee PRR 60????
X51ePRR Color Guide Vol 187PRR 608108SK2a-2/80-
X51fPRR Color Guide Vol 187PRR 6087PK-6/79-
X51gKeystone Vol 12, #221PRR 608935SK2a---

Equipment Diagrams online:

Class(es)tracing #View

Plans and diagrams in print:

Applicable ClassesTypePublicationPageDescriptionTracing Number
X51Class DiagramPennsy Car Plans74
X51PlanMainline Modeler-10/97
X51,X51b,X51cArrangement of LetteringPRR Compendium Vol 124Shadow Key - X51 shown
X51aArrangement of LetteringPRR Compendium Vol 125Shadow Key - X51a
X51aArrangement of LetteringPRR Compendium Vol 135Shadow Key w/ report marks - X51a
X51cClass DiagramPRR Pass. & Frt. Car Diagrams75
X51e,X51f,X51g,X51hPlanMainline Modeler-10/9744-45Side, top, end, underframe plans - X51E shown


  • Mainline Modeler, 8/97, "Pennsy's X51" Prototype information, prototype photos, plans. (Kinkaid, James-photos Rich Burg Collection)
  • Mainline Modeler, 10/97, "Pennsy's X51 Rebuilds" Prototype information, prototype photos, plans. (Kinkaid, James-photos Rich Burg Collection)
  • Handout, 1994 PRRT&HS convention, "Post War PRR Box cars" - proto info, kitbashing instructions. (Bley, E. LaRue, B. McGuire, B. Meacham, T.
  • Handout, 1997 PRRT&HS convention "PRR Box Cars" - Kitbash info (Johnson, J.M.)

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