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HO Scale Model Trains Database

Engines, Rolling Stock, Structures, and Accessories

At the 1935 Leipzig Spring Fair, an electric tabletop railway, Trix Express, was displayed to a gauge described as "half nought gauge", which was then abbreviated as gauge 00 ("nought-nought"). Märklin, another German firm, followed suit with its 00 gauge railway for the 1935 Leipzig Autumn Fair. The Märklin 00 gauge track that appeared more than ten years after Bing's tabletop railway had a very similar appearance to the previous Bing track. On the Märklin version, however, the rails were fixed to the tin 'ballast' as in the prototype, whilst the Bing tracks were simply stamped into the ballast, so that track and ballast were made of single sheet of metal.

According to the National Model Railroad Association (NMRA) standard S-1.2 predominantly used in North America, in HO scale, 3.5 mm (0.1378 in) represents 1 real foot (304.8 mm); this ratio works out to 1:87.0857142, usually rounded to 1:87.1. According to the MOROP standard NEM 010 predominantly used in Europe, the scale is exactly 1:87. In HO, rails are spaced 16.5 mm (0.64961 in) apart which models the standard railroad gauge of 1,435 mm (4 ft 8 in).

The name HO comes from 1:87 scale being half that of O scale, which was previously the smallest of the series of older and larger 0, 1, 2 and 3 gauges introduced by Märklin around 1900. In most English-speaking markets it is pronounced "aitch-oh" and written with the letters HO today, but in other markets remains written with the letter H and number 0 (zero), so in German it is pronounced as "hah-null".

Body Style:
Brand/Importer:
Model Type:
Total items in collection: 577. Total items on page 153

First or Primary Gallery Image Brand/Importer Stock Number Road/Company Name Road Letters/Reporting Mark Road/Reporting Number Prototype Original Retail Price Release Date ID
Atlas 18871 B Baltimore & Ohio B&O 640481 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164278
Atlas 18871A Baltimore & Ohio B&O 640475 Open Hopper, 2-Bay, Offset Side $21.95 2007-02-01 164464
Atlas 18872 B Baltimore & Ohio B&O 640505 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164279
Atlas 18872A Baltimore & Ohio B&O 640499 Open Hopper, 2-Bay, Offset Side $21.95 2007-02-01 164465
Atlas 18887 B Santa Fe ATSF 180865 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164286
Atlas 18888 B Santa Fe ATSF 180848 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164287
Atlas 18901 A Bangor and Aroostook BAR 3921 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164448
Atlas 18902 A Bangor and Aroostook BAR 3934 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164449
Atlas 18903 A Kewaunee, Green Bay & Western KGBW 401 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164450
Atlas 18904 A Kewaunee, Green Bay & Western KGBW 406 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164451
Atlas 18905 A Norfolk & Western N&W 180790 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164452
Atlas 18906 A Norfolk & Western N&W 180798 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164453
Atlas 18907 A Pittsburgh & Lake Erie P&LE 75757 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164454
Atlas 18908 A Pittsburgh & Lake Erie P&LE 75778 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164455
Atlas 18909 A Frisco SLSF 90690 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164456
Atlas 18910 A Frisco SLSF 90705 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164457
Atlas 18911 A Reading RDG 86227 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164458
Atlas 18912 A Reading RDG 86239 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164459
Atlas 18913 A South Buffalo SB 122 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164460
Atlas 18914 A South Buffalo SB 129 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164461
Atlas 18915 A Tennessee Central TC 9205 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164462
Atlas 18916 A Tennessee Central TC 9217 Open Hopper, 2-Bay, Offset Side $21.95 2007-05-01 164463
Atlas 18953 A Canadian Pacific CP 357104 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164280
Atlas 18954 A Canadian Pacific CP 357193 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164281
Atlas 18955 A Chicago & North Western CMO 50125 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164282
Atlas 18956 A Chicago & North Western CMO 50159 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164283
Atlas 18957 A Detroit & Mackinac D&M 5003 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164284
Atlas 18958 A Detroit & Mackinac D&M 5015 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164285
Atlas 18959 A Delaware & Hudson 6408 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164288
Atlas 18960 A Delaware & Hudson 6441 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164289
Atlas 18969 A Lake Superior & Ishpeming LS&I 5150 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164444
Atlas 18970 A Lake Superior & Ishpeming LS&I 5161 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164445
Atlas 18971 A Nashville, Chattanooga & St. Louis NC&St. L 48471 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164446
Atlas 18972 A Nashville, Chattanooga & St. Louis NC&St. L 48494 Open Hopper, 2-Bay, Offset Side $21.95 2008-06-01 164447
Atlas 20 000 579 Great Northern GN 73304 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164258
Atlas 20 000 580 Great Northern GN 73482 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164259
Atlas 20 000 581 Norfolk & Western N&W 180791 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164260
Atlas 20 000 582 Norfolk & Western N&W 180797 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164261
Atlas 20 000 583 Reading RDG 86216 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164262
Atlas 20 000 584 Reading RDG 86219 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164263
Atlas 20 000 585 United States Air Force DAFX 55175 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164264
Atlas 20 000 586 United States Air Force DAFX 55182 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164265
Atlas 20 000 587 Norfolk & Western N&W 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2009-06-01 164266
Atlas 20 000 588 Reading RDG 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2009-06-01 164267
Atlas 20 000 589 Canadian Pacific CP 357200 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164268
Atlas 20 000 590 Canadian Pacific CP 357205 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164269
Atlas 20 000 591 Erie ERIE 28100 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164270
Atlas 20 000 592 Erie ERIE 28200 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164271
Atlas 20 000 593 Jersey Central CNJ 10259 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164272
Atlas 20 000 594 Jersey Central CNJ 10286 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164273
Atlas 20 000 595 Nickel Plate Road NKP 33444 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164274
Atlas 20 000 596 Nickel Plate Road NKP 33473 Open Hopper, 2-Bay, Offset Side $21.95 2009-06-01 164275
Atlas 20 000 597 Canadian Pacific CP 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2009-06-01 164276
Atlas 20 000 598 Jersey Central CNJ 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2009-06-01 164277
Atlas 20 000 980 Baltimore & Ohio B&O 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2010-05-01 164253
Atlas 20 000 981 Santa Fe ATSF 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2010-05-01 164254
Atlas 20 000 982 Delaware & Hudson 6429 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164239
Atlas 20 000 983 Delaware & Hudson 6464 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164240
Atlas 20 000 984 Pittsburgh & Lake Erie P&LE 75722 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164241
Atlas 20 000 985 Pittsburgh & Lake Erie P&LE 75735 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164242
Atlas 20 000 986 Company GA 21151 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164243
Atlas 20 000 987 Company GA 21174 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164244
Atlas 20 000 988 Lackawanna DL&W 83412 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164245
Atlas 20 000 989 Lackawanna DL&W 83462 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164246
Atlas 20 000 990 Missouri Pacific MP 59299 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164247
Atlas 20 000 991 Missouri Pacific MP 59337 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164248
Atlas 20 000 992 Northern Pacific NP 70317 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164249
Atlas 20 000 993 Northern Pacific NP 70345 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164250
Atlas 20 000 994 Pittsburgh & West Virginia P&WV 112 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164251
Atlas 20 000 995 Pittsburgh & West Virginia P&WV 161 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164252
Atlas 20 000 998 Chesapeake & Ohio C&O 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2010-05-01 164257
Atlas 20 000 999 Montour Railroad 8015 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164255
Atlas 20 001 000 Montour Railroad 8059 Open Hopper, 2-Bay, Offset Side $21.95 2010-05-01 164256
Atlas 20 001 488 Canadian Pacific CP 357156 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164167
Atlas 20 001 489 Canadian Pacific CP 357191 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164168
Atlas 20 001 490 Erie Lackawanna EL 26719 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164170
Atlas 20 001 491 Erie Lackawanna EL 26817 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164171
Atlas 20 001 492 Elgin Joliet & Eastern EJ&E 41330 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164223
Atlas 20 001 493 Elgin Joliet & Eastern EJ&E 41456 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164224
Atlas 20 001 494 Litchfield & Madison L&M 1001 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164225
Atlas 20 001 495 Litchfield & Madison L&M 1073 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164226
Atlas 20 001 496 Peoria & Eastern P&E 2802 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164227
Atlas 20 001 497 Peoria & Eastern P&E 2831 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164228
Atlas 20 001 498 Richmond Fredericksburg & Potomac RF&P 7017 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164229
Atlas 20 001 499 Richmond Fredericksburg & Potomac RF&P 7047 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164230
Atlas 20 001 500 Wheeling & Lake Erie W&LE 61071 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164231
Atlas 20 001 501 Wheeling & Lake Erie W&LE 61147 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164232
Atlas 20 001 502 Detroit & Mackinac D&M 5006 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164233
Atlas 20 001 503 Detroit & Mackinac D&M 5010 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164234
Atlas 20 001 504 Norfolk & Western N&W 180733 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164235
Atlas 20 001 505 Norfolk & Western N&W 180765 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164236
Atlas 20 001 506 Reading RDG 84004 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164237
Atlas 20 001 507 Reading RDG 84118 Open Hopper, 2-Bay, Offset Side $21.95 2012-02-01 164238
Atlas 20 002 474 Chesapeake & Ohio C&O 58555 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164147
Atlas 20 002 475 Chesapeake & Ohio C&O 58567 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164148
Atlas 20 002 476 Delaware & Hudson D&H 7102 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164149
Atlas 20 002 477 Delaware & Hudson D&H 7215 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164150
Atlas 20 002 478 Southern 112721 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164151
Atlas 20 002 479 Southern 112866 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164152
Atlas 20 002 480 Chicago & Eastern Illinois C&EI 97602 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164153
Atlas 20 002 481 Chicago & Eastern Illinois C&EI 97765 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164154
Atlas 20 002 482 Great Northern GN 73571 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164155
Atlas 20 002 483 Great Northern GN 73858 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164156
Atlas 20 002 484 Lehigh & New England LNE 13283 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164157
Atlas 20 002 485 Lehigh & New England LNE 13330 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164158
Atlas 20 002 486 Missouri Pacific MP 60247 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164159
Atlas 20 002 487 Missouri Pacific MP 60322 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164160
Atlas 20 002 488 Nashville, Chattanooga & St. Louis NC&St. L 48550 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164161
Atlas 20 002 489 Nashville, Chattanooga & St. Louis NC&St. L 48572 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164162
Atlas 20 002 490 Santa Fe ATSF 78133 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164163
Atlas 20 002 491 Santa Fe ATSF 78291 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164164
Atlas 20 002 492 United States Army USAX 55071 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164165
Atlas 20 002 493 United States Army USAX 55076 Open Hopper, 2-Bay, Offset Side $21.95 2013-10-01 164166
Atlas 20 003 138 Baltimore & Ohio B&O 727123 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164034
Atlas 20 003 139 Baltimore & Ohio B&O 727368 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164037
Atlas 20 003 140 Baltimore & Ohio B&O 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2015-01-01 164048
Atlas 20 003 141 Bessemer & Lake Erie B&LE 50090 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164040
Atlas 20 003 142 Bessemer & Lake Erie B&LE 50362 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164041
Atlas 20 003 143 Central of Georgia CG 21506 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164042
Atlas 20 003 144 Central of Georgia CG 21660 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164043
Atlas 20 003 145 Lackawanna DL&W 85177 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164044
Atlas 20 003 146 Lackawanna DL&W 85401 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164045
Atlas 20 003 147 Milwaukee Road MILW 94253 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164046
Atlas 20 003 148 Milwaukee Road MILW 94537 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164047
Atlas 20 003 149 Milwaukee Road MILW 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2015-01-01 164049
Atlas 20 003 151 Clinchfield CRR 47057 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164050
Atlas 20 003 152 Clinchfield CRR 47365 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164051
Atlas 20 003 153 Clinchfield CRR 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2015-01-01 164145
Atlas 20 003 154 Montour Railroad M 18108 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164139
Atlas 20 003 155 Montour Railroad M 18214 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164140
Atlas 20 003 156 Nickel Plate Road NKP 33145 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164141
Atlas 20 003 157 Nickel Plate Road NKP 33227 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164142
Atlas 20 003 158 Nickel Plate Road NKP 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2015-01-01 164146
Atlas 20 003 159 Interstate 9584 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164143
Atlas 20 003 160 Interstate 9640 Open Hopper, 2-Bay, Offset Side $21.95 2015-01-01 164144
Atlas 20 004 303 Canadian Pacific CP 357080 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 163812
Atlas 20 004 303 Canadian Pacific CP 357080 Open Hopper, 2-Bay, Offset Side $15.95 2016-12-01 163783
Atlas 20 004 304 Canadian Pacific CP 357202 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 163813
Atlas 20 004 304 Canadian Pacific CP 357202 Open Hopper, 2-Bay, Offset Side $15.95 2016-12-01 163785
Atlas 20 004 305 Canadian Pacific CP 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2016-12-01 164013
Atlas 20 004 306 Delaware & Hudson D&H 9459 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 163814
Atlas 20 004 307 Delaware & Hudson D&H 9612 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 163815
Atlas 20 004 308 Delaware & Hudson D&H 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2016-12-01 164018
Atlas 20 004 309 Lehigh & New England LNE 14383 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 164006
Atlas 20 004 309 Lehigh & New England LNE 14383 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 164007
Atlas 20 004 310 Lehigh & New England LNE 14418 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 164008
Atlas 20 004 311 Lehigh & New England LNE 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2016-12-01 164024
Atlas 20 004 312 Louisville & Nashville L&N 60625 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 164009
Atlas 20 004 313 Louisville & Nashville L&N 60651 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 164010
Atlas 20 004 314 Louisville & Nashville L&N 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2016-12-01 164027
Atlas 20 004 315 Northern Pacific NP 70233 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 164011
Atlas 20 004 316 Northern Pacific NP 70390 Open Hopper, 2-Bay, Offset Side $21.95 2016-12-01 164012
Atlas 20 004 317 Northern Pacific NP 3-Pack Open Hopper, 2-Bay, Offset Side $65.85 2016-12-01 164030