Skip to content

Locotracteurs Gaston Moyse

Locotracteurs Gaston Moyse was a French manufacturer of diesel shunting locomotives, active from 1922 until the late 1970s.

Last updated August 31, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Locotracteurs Gaston Moyse was a French railway-equipment manufacturer founded in 1922 by Gaston Moyse. The company specialized in diesel-powered shunting locomotives, also known as locomotive tractors or industrial switchers, used to move rail vehicles over short distances rather than to haul long-distance passenger or freight trains. Its products served both national railway systems and private industrial sites. The company’s best-known railway work included shunting locomotives supplied to the French state railway system, SNCF. Among the types associated with Gaston Moyse were the Y 7400 and Y 8000 classes. These locomotives were designed for yard and terminal duties, where compact dimensions, low-speed control, and the ability to couple and reposition wagons were more important than high-speed operation. The company also supplied locomotives to Portugal’s state railway system, Comboios de Portugal, including the CP 1020 and CP 1050 classes. In addition to national railway customers, Gaston Moyse built shunters for industrial users. Such locomotives operated in steelworks and on other industrial railway networks, where they supported internal materials handling and wagon movements. This industrial focus placed the company within a specialized segment of the European rail-equipment market: manufacturers producing durable, relatively compact locomotives for factory sidings, ports, mines, works railways, and railway yards. The company remained active for several decades but closed in the late 1970s. Available reference material identifies it primarily through its locomotive production and its contribution to French and Portuguese railway operations. Detailed information about later ownership, corporate structure, financial performance, headquarters, and the circumstances of its closure is not established by the supplied sources.

History

Gaston Moyse established the company in France in 1922. From its beginning, the business was oriented toward locomotive tractors and shunting locomotives rather than mainline railway engines. This specialization addressed the needs of railway yards and industrial customers that required compact diesel locomotives capable of moving wagons and other rail vehicles within confined facilities. The company developed a production portfolio for both public railway systems and private industrial users. In France, its locomotives were associated with the national railway network operated by SNCF. The Y 7400 and Y 8000 are among the classes identified in connection with the manufacturer. Their role was primarily shunting: positioning wagons, assembling and breaking up trains, and carrying out other low-speed movements in yards and terminals. Gaston Moyse also supplied equipment outside France. For the Portuguese state railway system, Comboios de Portugal, the company produced or was associated with the CP 1020 and CP 1050 classes. These exports demonstrate that its activities extended beyond the domestic French market, although the available material does not provide a complete list of export destinations or production quantities. A further part of the company’s business involved industrial railways. Its shunters were used in steelworks and on other industrial sites, where rail transport supported the movement of raw materials, finished products, and freight wagons inside large facilities. This application was characteristic of the company’s specialist market and distinguished its products from locomotives intended primarily for intercity or high-speed service. The company closed in the late 1970s. The supplied references do not document a precise closure year, a successor organization, later acquisitions, or the disposition of its manufacturing assets. Surviving references to individual locomotives and industrial railway sites provide evidence of its historical role, but a detailed chronology of model development and corporate changes would require additional archival research.

  • 1979

    Company closure

    [1]

    The manufacturer closed in the late 1970s; the supplied reference does not specify an exact closure year.

  • 1922

    Company founded

    [1]

    Gaston Moyse founded the French locomotive manufacturer, which specialized in diesel shunting locomotives and locomotive tractors.

  • Expansion into railway and industrial shunting

    [1]

    The company supplied shunting locomotives to SNCF, Comboios de Portugal, steelworks, and other industrial railway users.

  • Production associated with French Y classes

    [1]

    The Y 7400 and Y 8000 are identified among the shunting locomotive classes produced by or associated with Locotracteurs Gaston Moyse.

  • Portuguese railway supply

    [1]

    The company supplied the CP 1020 and CP 1050 classes for Portugal’s state railway system.

Products and positioning

A specialist manufacturer of diesel shunting locomotives for state railway yards and industrial railway operations.

  • Diesel shunting locomotive

    Y 7400

    The Y 7400 was among the French shunting locomotive classes associated with Locotracteurs Gaston Moyse. It belonged to the company’s core field of compact diesel locomotives intended for railway-yard movements and other low-speed switching work.

  • Diesel shunting locomotive

    Y 8000

    The Y 8000 was another shunting locomotive class identified in connection with the manufacturer. Its role was aligned with the company’s specialization in moving wagons and rail vehicles within yards and other controlled railway environments.

  • Diesel shunting locomotive

    CP 1020

    The CP 1020 was a locomotive class supplied for Portugal’s state railway system, Comboios de Portugal. It represents the company’s work for an overseas national railway customer.

  • Diesel shunting locomotive

    CP 1050

    The CP 1050 was another shunting locomotive class supplied for Portugal’s state railway system. The class formed part of the company’s international railway-equipment activities.

  • Industrial diesel locomotive

    Industrial shunters

    Locotracteurs Gaston Moyse produced shunting locomotives for steelworks and other industrial sites. These machines supported internal rail movements in facilities where compact, controllable diesel traction was required for handling wagons and materials.

Sources2 sources

Cite this profile: Cite the canonical profile. /brand-wiki/locotracteurs-gaston-moyse · Editorial policy · How profiles are compiled