X31 40'6" round roof all steel boxcars


General information:


Types of trucks used

ClassCarNumbersTruck ClassTruck NameQty cars:
X31  2D-F12   
X31a  2D-F10   
X31a  2D-F13National  
X31b  2D-F12   
X31c  2D-F12   
X31f  2D-F12   
X31f  2D-F13National  
Truck data is from PRR documents circa 1940's. Other truck classes may also have been used.


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
X315986260111XA XM XMR353535353534-
X316022260721XA XAR XM XMR2122122102102082082
X316950469997XA XAR XM XMR2032022022021991974
X31a6740068999XA XAP XM XMP XP LC159515881580157815591524176
X31a6999970399XM XMP XP39939539339338937843
X31a7640081099XM XMP XP467846614645463545934496775
X31a DBL DR6900069499XA XAP XM XMP XMR5004984964964914839
X31a DBL DR8110081199XA XM XMP1001001009998951
X31a DBL DR120003120011XA XM9999991
X31b6110062799XAP XM XML XMP XMR11861184118211811173113211
X31c6080061099XA XM XAR XMR300300299297294280-
X31c6280063309XM XMR XR50950650350350148011
X31f8120081889XM XAR XMR XR69069068868868668012
X31g77742-LC----111
Roster data compiled by Rich Orr


Modeling Information:

Athearn/Menzies/English's
X31aHO1323PRR 40' DD Round Roofmetal kit-
X31bHO-
metal-
X31cHO-
metal-
Bowser
X31HO-X31 boxcarplastic-
X31bHO-
plastic-
X31cHO-
plastic-
X31aHO55340X31a DD Inset Roof - Undecoratedplastic w/ molded on detail-
X31aHO55350X31a DD Flush Roof - Undecoratedplastic w/ molded on detail-
X31fHO55363X31f DD Turtle Roof - Undecoratedplastic w/ molded on detail-
X31aHO55341X31a DD Inset Roof - PRR Circle Keyplastic w/ molded on detail-
X31aHO55342X31a DD Inset Roof - PRR Circle Key "Automobiles"plastic w/ molded on detail-
X31aHO55343X31a DD Inset Roof - PRR Circle Key "War Bonds"plastic w/ molded on detail-
X31aHO55344X31a DD Inset Roof - PRR Shadow Keyplastic w/ molded on detail-
X31aHO55349X31a DD Flush Roof - PRR Circle Keyplastic w/ molded on detail-
X31aHO55351X31a DD Flush Roof - PRR Circle Key "Automobiles"plastic w/ molded on detail-
X31aHO55352X31a DD Flush Roof - PRR Shadow Keyplastic w/ molded on detail-
X31fHO55358X31f DD Turtle Roof - PRR Circle Keyplastic w/ molded on detail-
X31fHO55359X31f DD Turtle Roof - PRR Shadow Keyplastic w/ molded on detail-
X31fHO55360X31f DD Turtle Roof - PRR Plain Keyplastic w/ molded on detail-
X31aHO55301X31a SD Inset Roof - PRR Circle Keyplastic w/ molded on detail-
X31aHO55302X31a SD Inset Roof - PRR Shadow Keyplastic w/ molded on detail-
X31aHO55303X31a SD Inset Roof - PRR Shadow Keyplastic w/ molded on detail-
X31aHO55304X31a SD Inset Roof - PRR Plain Keyplastic w/ molded on detail-
X31aHO55306X31a SD Inset Roof - PRR Co. Serviceplastic w/ molded on detail-
X31aHO55300X31a SD Inset Roof - Undecoratedplastic w/ molded on detail-
Central Hobby Supply-West Shore Line
X31b.X31cHO9250PRR X31B/C 40' DD RR, late productionresin kit w/ decals-
X31aHO9266PRR X31A 40' DD RR, early productionresin kit w/ decals-
X31aHO9267PRR X31A 40' DD RR, early productionresin kit w/ decals-
X31aHO9272PRR X31A 40' DD RR, rebuilt w/ reinforced sidesresin kit w/ decals-
X31f,X31gHO9273PRR X31F/G 40' DD RR, turtleback roofresin kit w/ decalsJeep car
X31aHO9274PRR X31A 40' SD RR, w/ roof hatchesresin kit w/ decals-
Fine N Scale
X31N-X31 boxcarundec kits less T/C-
X31N-X31a boxcarundec kits less T/C-
X31aN-X32 boxcarundec kits less T/C-
MDC-Roundhouse
X31HO-40' Round top boxcarplasticModel has different ends and shallower roof contour.
Railworks
X31HO-PRR 40' Round Roof Box Car, X31 4-doorbrass - rtr-
X31aHO-PRR 40' Round Roof Box Car, X31a single doorbrass - rtr-
Sunshine
X31aHO10.1Pennsy X31A recessed roof, 1 door, CK decalsresin kit w/ decalsdiscontinued
X31aHO10.2Pennsy X31A recessed roof, 1 door, SK decalsresin kit w/ decalsdiscontinued
X31aHO10.3Pennsy X31A recessed roof, 2 door, CK decalsresin kit w/ decalsdiscontinued
X31aHO10.4Pennsy X31A recessed roof, 2 door, SK decalsresin kit w/ decalsdiscontinued
X31aHO10.5Pennsy X31A round roof, 1 door, CK-buy war bonds decalsresin kit w/ decalsdiscontinued
X31HO10.6Pennsy X31 round roof, 2 door automobile, CK decalsresin kit w/ decalsdiscontinued
X31HO10.7Pennsy X31 round roof, 2 door, SK decalsresin kit w/ decalsdiscontinued
X31fHO10.8Pennsy X31f round roof Jeep/auto car w/ turtleback roof, CK decalsresin kit w/ decalsdiscontinued


Model Photos online:

(Photos of models submitted by visitors. Accompanied by descriptions)

Report MarkClassDescriptionManufacturerScaleModeler
PRR 81682X31fX31f turtle roof boxcarSunshineHOGary Mittner


Photos online:

Report MarkClassDescriptionLocationDatePhotographer
PRR ??????X31Company service carBaltimore, Md.?Rob Schoenberg
PRR 70311X31A---PRR Photo (B&W) from Modern Locos & Cars 1939
PRR 62448X31b-Denver, CO9/2/1955Otto C. Perry (B&W) ©Denver public library (call #OP-14486)
PRR 69308X31aBuilders Photo, side view (E14510)Altoona, PA-PRR Photo (B&W), collection of Bill Lane
PRR 78141X31aBuilders Photo, side view (E15417)Altoona, PA-PRR Photo (B&W), collection of Bill Lane
PRR 68074X31aBuilders Photo, side view (E9736)Altoona, PA-PRR Photo (B&W), collection of Bill Lane
PRR 68074X31aBuilders Photo, 3/4 view (E9737)Altoona, PA-PRR Photo (B&W), collection of Bill Lane
PRR 68074X31aBuilders Photo, B end view (E9738)Altoona, PA-PRR Photo (B&W), collection of Bill Lane
PRR 81538X31fBuilders Photo, 3/4 view (E?)Altoona, PA-PRR Photo (B&W), collection of Bill Lane


Photos in print:

ClassPublicationPageCar NoSchemeLocationDateComments
X31Keystone Vol 14, #139PRR 60595CK---
X31Keystone Vol 21, #219PRR 60562?CK---
X31aCFC vol 129PRR 78515SK2a---
X31aCFC vol 132PRR 77273SK2b-10/62-
X31aKeystone Vol 14, #133PRR 68074CK---
X31aKeystone Vol 14, #135PRR 67669CK---
X31aKeystone Vol 16, #430PRR 68232CK---
X31aKeystone Vol 21, #220PRR 69308CK-"autos"---
X31aKeystone Vol 34, #416PRR 4973xxPK5/2/2001awaiting restoration
X31aKeystone Vol 7, #312PRR 68074CK-1934-
X31aPRR Color Guide Vol 177PRR 76642SK1b-?/55-
X31aPRR Color Guide Vol 177PRR 76803PK-5/63-
X31aPRR Color Guide Vol 178PRR 68143PK-1/81roof hatches
X31aPRR Color Guide Vol 238PRR 68408SK2b---
X31aPRR Color Guide Vol 238PRR 70008PK-1/63-
X31aPRR Color Guide Vol 239PRR 76777SK2a-12/62-
X31aPRR Color Guide Vol 239PRR 77061SK2b-12/63-
X31aPRR Color Guide Vol 240PRR 77734PK-11/69-
X31aPRR Color Guide Vol 240PRR 77758SK2a-7/66-
X31aPRR Color Guide Vol 3114PRR 497284PK-STORES--company stores
X31aPRR Color Guide Vol 354PRR 78477CKMilwaukee area1948end view
X31aPRR Color Guide Vol 355PRR 78477CKMilwaukee area1948-
X31aPRR Color Guide Vol 356PRR 68408SK2Binghamton, NY3/1969-
X31bPennsy Power 3410PRR 61100CK---
X31cPRR Color Guide Vol 178PRR 63274SK1b-2/62-


Equipment Diagrams online:

Class(es)tracing #View
X31E-400196elevation
X31,X31a-ddE-400196-D,Celevation
X31a-sdE-400065-D,Celevation
X31b,X31cE-407031-D,Celevation
X31dE-410300-Aelevation
X31fE-419125-D,Aelevation


Plans and diagrams in print:

Applicable ClassesTypePublicationPageDescriptionTracing Number
X26a,X28a,X29,X29a,X31aArrangement of LetteringPRR Compendium Vol 12Shadow Key - X29 shown
X31,X31a,X31b,X31c,X31fArrangement of LetteringPRR Compendium Vol 16Shadow Key - X31 shown
X31,X31b,X31c,X31fArrangement of LetteringPRR Compendium Vol 132Shadow Key w/ report marks - X31 shown
X31,X32,X33PlanMainline Modeler-4/90
X31bPlanModel Railroader-6/6632


References:

  • RNE 11/80 - Carchaeology Part I (Metzger, Bill)
      Rusty X31f
  • KEY 1/86 - The H31 Hopper and Related Classes (Fisher, Ian S.)
      History, arrangement, photos (PRR), roster
  • PM 10/78 - X25 to X29 series boxcars (Amerine, Jack & Freeman, Jeff)
      history, photos, list of boxcar types plus bibliography
  • Lettering Diagram: X31 Automobiles, CK, Rails Northeast 4/80 pp 26-27
  • Lettering Diagram: X31, X31a, X31b, SK1, Rails Northeast 3/84, pp 14-15
  • RMC 7/1995 pp.87-88 product review w/ brief history and differences between classes
  • MR 8/1994 p.34 BOWSER 1960's photo X31a PRR #79951
  • RMJ 8/1991 p.49 1934 builder photo DD X31b #60595 Note the class stencil is simply "X31"
  • MM 8/1990 pp.77-79 1936 photos X31d's, modified with removable roof -- excellent down-on shot shows interior wood paneling and another that shows roof-mounted lift rings !
  • MM 4/1990 pp.66-69 roster of all PRR X31/X32 cars, drawings, historical text, photos of NP/PRR/SAL (Martin Lofton)
  • MM 7/1985 pp.38-40 kitbash MDC kit, 1984 photo of X31A #77556, nice detail photos of door hardware (Mont Switzer)
  • SFIC V.3 p.10 1956 color photo PRR #80543 w/ Shadow Keystone -- appears to have inset roof


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©1998-2001 Robert Schoenberg - robs@railfan.net