Verwendete Herstellerabkürzungen
| Kürzel | Hersteller |
| FA | Freight Australia |
| FAUR | FAUR SA, Bukarest |
| FCH | |
| FCP | Ferrocarril Del Pacifico |
| FEBA | FEBA, Kraichtal |
| Ferlach | |
| Fiat | Fiat |
| FM | Fairbanks, Morse and Company |
| Franco | |
| FRC | Foster, Rastrick and Company, Stourbridge, England |
| free | |
| free | McKeen Motor Car Co. |
| Freud | Stahlbahnwerke Freudenstein & Co. AG, Berlin |
| Frichs | |
| Fuchs | Waggonfabrik Fuchs, Heidelberg |
| Ganz | Ganz-Konzern, Budapest |
| GBMB | Gleisbaumechanik Brandenburg |
| GBW | Green Bay & Western |
| GDMN | |
| GE | General Electric Transportation |
| GE-UP | General Electric Transportation - Union Pacific Railroad |
| Gebus | Gebus |
| GMD | General Motors Diesel, Canada |
| Gmeinder | Gmeinder & Co. GmbH, Mosbach/Baden |
| GML | |
| GON | Goninan |
| GON-BA | Goninan, Bassendean |
| GON-BR | Goninan, Broadmeadow |
| Good | A.E. Goodwin, Sydney |
| Gotha | Gothaer Waggonfabrik |
| Graff | Societe Alsacienne de Constructions Mecaniques SACM, Graffenstaden |
| Graz | |
| GSE | Gewerkschaft Schalker Eisenhütte |
| GTW | Grand Trunk Western Railroad |
| Györ | |
| Hagans | Christian Hagans, Erfurt |
| Halber | |
| HallScott | |
| Hammond | |
| Hanomag | Hannoversche Maschinenbau AG |
| Hartmann | Sächsische Maschinenfabrik vormals Richard Hartmann |
| Hatlapa | Hatlapa - Uetersener Maschinenfabrik GmbH & Co., Uetersen |
| HBT | Houston Belt & Terminal Railway |
| HEC | Hunslet Engine Co., Leeds |
| Heis | Heisler Locomotive Works |
| Hen | Henschel & Sohn, Kassel |
| Herbrandt | |
| HLC | Hawthorn Leslie & Co. |
| Hohen | Aktiengesellschaft für Lokomotivbau Hohenzollern, Düsseldorf |
| Holman | |
| HSP | Haine St. Pierre |
| HudClarke | Hudswell Clarke & Co. , Leeds (UK) |
| Humb | Maschinenbau-Anstalt Humboldt, Köln-Kalk |
| IC | Illinois Central Railroad |
| IC-PNC | Illinois Central Railroad - Precision National Corp. |
| ICG | Illinois Central Gulf Railroad |
| Ingalls | Ingalls Shipbulding Co. |
| Inger | Ingersoll-Rand |
| IPS | Ipswich workshops, Queensland Rail |
| ISL | Islington Workshops |
| ITC | |
| JLS | Juniata Locomotive Shop, Altoona |
| JLW | |
| Jung | Arnold Jung Lokomotivfabrik GmbH, Jungenthal, Kirchen a.d. Sieg |
| JW | Jenbacher Werke, Jenbach (A) |
| Killing | |
| Kitson | Kitson & Co. |
| KLW | Knoxville Locomotive Works |
| KM | Krauss-Maffei AG, München-Allach |
| Knotz | |
| Krauss | Krauss & Comp., München |
| Krenau | |
| KrL | Krauss & Comp., Linz |
| Kröhn | Rudolf Kröhnke, Maschinenfabrik KG, Buxtehude |
| Krupp | Friedrich Krupp AG, Essen |
| KS | The Kinki Sharyo Co., Ltd. |
| Ledoux-Jennings | |
| Leslie | Leslie Brothers |
| LEW | Lokomotivbau Elektrotechnische Werke "Hans Beimler" |
| LFCB | Locomotiev Fabriek Du Croo & Brauns |
| LH | |
| LHB | Linke-Hofmann-Busch GmbH, Salzgitter |
| LHW | Linke-Hofmann-Werke LHW, Breslau |
| Lima | Lima Locomotive Works |
| Lind | |
| LKB | |
| LKM | LOWA Lokomotivbau Karl Marx (LKM), Babelsberg |
| LN | Louisville & Nashville Railroad |
| LOB | |
| Lohner | |
| LTS | |
| Lud | |
| Lugansk | Lokomotivfabrik Luhansk |
| Lüthi | Eduard Lüthi, Worb |
Letzte Aktualisierung am 05.11.2025