verwendete Herstellerabkürzungen

Kürzel	Hersteller
Mack
Mack-Brill
Mafersa
Maffei	J.A. Maffei, München
Mahoney
MaK	Maschinenbau Kiel GmbH, Kiel
MAN	Maschinenfabrik Augsburg-Nürnberg AG
Mavag
MBA	Maschinenbau und Bahnbedarfs AG
MBK	Maschinenfabrik Karlsruhe AG, Karlsruhe
MC	Marshutz & Cantrell, San Francisco
McKeen	McKeen Motor Car Co.
Mec	Mecnafer
Mein	RAW Meiningen
MGH	Maschinenbau-Gesellschaft Heilbronn MGH, Heilbronn
MHI	Mitsubishi Heavy Industries
MILW	Milwaukee Road
MK	Morrison-Knudsen
MKT	Missouri, Kansas, Texas Railroad Company
MLW	Montreal Locomotive Works
MOAG	Motorenfabrik Oberursel AG
Moore	Malcolm Moore Co.
MP	Missouri Pacific
MPI	MotivePower Inc.
MR	Motor-Rail
MRL	Montana Rail Link
Muni	San Francisco Municipal Railway
MW	Mid-West Locomotive Works
NBL	North British Locomotive Company, Scotland
NEWAG	NEWAG GmbH, Oberhausen
NIS	Nippon Sharyo Ltd.
Nohab	Nydqvist och Holm AB
Norris	J. A. Norris
NRC	Neilson Reid & Co.
NRE	National Railway Equipment Co.
NS	Norfolk Southern Railway
NSC	National Steel Car Co., Hamilton ON
NSHR	North Shore Railroad Co.
NSW	New South Wales Railroad
NW	Norfolk & Western
NZR	New Zealand Railway
ÖAM
ÖAMG
OK	Orenstein & Koppel AG
OnRail
Oshawa
Ostr
Ottawa	Ottawa Car
PC	Penn Central
Plasser	Plasser & Theurer
PLW	Peoria Locomotive Works
Plym	Plymouth Locomotive Works
PN	Pacific National
Porter	H. K. Porter, Inc.
Price	A & G Price Limited, Thames New Zealand
PRR	Pennsylvania Railroad
PRS	Progress Rail Services
Pullmann
QLW	Qishiyan Locomotive Works
Raco	Robert Aebi AG, Maschinenfabrik, Regensdorf
Rastatt	Waggonfabrik Rastatt
RAW-Witt	RAW Wittenberg
REL	Relco
Rens	Maschinenfabrik Fritz Rensmann GmbH & Co., Dortmund
RES	Resita, Rumänien
RG	Waggonbaufabrik Josef Rathgeber
RGS	Rio Grande Southern
Rhein	Rheinische Metallwaren- & Maschinenfabrik - Rheinmetall, Düsseldorf-Derendorf
RL	Republic Locomotive
RLW
Rohr
RP	Railpower Technologies Corporation, Montreal
RSCI
RSCo
RSH
Ruhr	Ruhrthaler Maschinenfabrik Schwarz & Dyckerhoff KG, Mülheim/Ruhr