Twin Disc

Twin Disc is an industrial engineering and manufacturing company whose products transfer, control, and manage mechanical power in demanding environments. Its principal activities center on marine propulsion and transmission systems, off-road vehicle drivetrains, industrial power-transmission equipment, torque converters, clutches, gearboxes, propellers, surface drives, and vessel-management technologies. The company serves equipment manufacturers and operators rather than operating primarily as a consumer-facing brand. The business originated in Racine, Wisconsin, in 1918 as Twin Disc Clutch Company. Its foundation followed the development of a twin-disc clutch by engineer and inventor Thomas Fawick. Percy Haight Batten, who had worked in the railroad and manufacturing sectors and was associated with the Wallis Tractor Company, encouraged adoption of the design for agricultural machinery. Arthur B. Modine, a local engineer and industrialist, also participated in the company’s formation. The original focus was tractor clutches, but instability in American agriculture during the 1920s encouraged Twin Disc to broaden its customer base. The company expanded into logging, mining, oil-field equipment, roadbuilding, and other heavy-equipment sectors. The oil industry became particularly important during the interwar period, when Twin Disc clutches were used in oil-field machinery in the United States. Marine applications developed gradually: the company began work on marine clutches in the 1920s and introduced an early marine-clutch line in the 1930s, initially serving small fishing, pleasure, and work boats. World War II was a major manufacturing and technological turning point. Twin Disc produced marine gears for military landing craft, including vessels used in European and Pacific operations, and supplied torque converters for high-speed artillery tractors. In 1943, the company received the Army-Navy “E” Award for wartime production excellence, with four stars subsequently associated with the award. After the war, Twin Disc broadened its international and technical reach. A partnership established in 1952 with Japan’s Niigata Converter Co., now associated with Hitachi Nico Transmission, supported long-term cooperation in transmission technology. During the 1950s, the company entered the rail sector with a three-stage torque converter for an American locomotive and supplied equipment for rail applications in several countries. The company also expanded manufacturing capacity in Wisconsin and established a Belgian production operation in the 1960s to serve European customers. In 1967, the corporate name changed from Twin Disc Clutch Company to Twin Disc, Incorporated, reflecting diversification beyond clutches. Twin Disc’s later development relied increasingly on acquisitions and portfolio expansion. It acquired Paragon Gear Works in 1968, adding marine transmissions for pleasure craft; obtained rights related to Arneson Surface Drives in 1992; acquired Swiss propeller maker Rolla SP Propellers in 2004; and purchased Italian boat-management-systems manufacturer BCS in 2007. The 2018 acquisition of Dutch propulsion specialist Veth Propulsion added azimuth thrusters, while the 2024 acquisition of Finnish power-transmission company Katsa Oy expanded the company’s gearbox and transmission-component capabilities. Today, Twin Disc presents itself as a global power-transmission specialist with subsidiaries, facilities, and sales operations across multiple regions. Its brand identity is associated with engineered drivetrain systems, marine propulsion, rugged industrial applications, and the integration of mechanical and electronic controls. Its historical evolution—from a tractor-clutch supplier to a diversified transmission and propulsion group—has been driven by industry diversification, international partnerships, and targeted acquisitions.

Twin Disc was established in Racine, Wisconsin, in September 1918 as Twin Disc Clutch Company. Its formation followed Thomas Fawick’s development of a twin-disc clutch intended for tractors and other heavy farm machinery. Percy Haight Batten, who had arrived in Racine through his work with the Wallis Tractor Company, supported the design and encouraged its use in Wallis tractors. Arthur B. Modine, an engineer and local industrial figure, also helped organize the company. Fawick became president, Batten vice president, and Modine secretary and a charter director. Batten assumed the presidency in 1925. The company’s early years coincided with severe instability in American agriculture. Rather than remain dependent on tractor production, Twin Disc diversified into logging, mining, oil, roadbuilding, and other heavy-equipment markets. The expansion aligned with the growth of highway construction and the development of oil fields in Texas and Oklahoma. By the late 1930s, oil-field demand had become an important source of business. Twin Disc also pursued marine applications, developing marine clutches through a program that began in the 1920s and introducing products for small vessels during the 1930s. The Second World War transformed the scale of the company’s operations. Twin Disc produced nearly 100,000 marine gears for military landing craft, including Landing Craft Vehicle, Personnel vessels, Landing Craft Mechanized vessels, and Landing Craft Tank vessels. These craft were used in Allied operations in both Europe and the Pacific. The company also supplied T-10010 torque converters for M4 and M6 high-speed artillery tractors produced by Allis-Chalmers. In September 1943, Twin Disc received the Army-Navy “E” Award for excellence in wartime production. John Henry Batten became president and chief executive officer in 1948, succeeding his father, Percy Haight Batten. Under his leadership, Twin Disc pursued international partnerships and new applications. In 1952, it entered a partnership with Japan’s Niigata Converter Co., a relationship that continued for decades and later became associated with Hitachi Nico Transmission. In the middle of the 1950s, Twin Disc entered the rail market and produced a three-stage torque converter for an American locomotive. Its torque converters were also used in rail equipment in Belgium, Hong Kong, and the United Kingdom, including British rail applications and export locomotives. Demand related to postwar road construction led to additional manufacturing capacity. In 1957, Twin Disc opened another Racine facility, supplementing plants in Racine and Rockford. The company established Twin Disc Clutch Belgium S.A. at a new facility in Nivelles in 1962, strengthening its European manufacturing presence. As the business expanded beyond clutch products, the corporate name changed to Twin Disc, Incorporated, in 1967. Acquisitions became an important part of the company’s later history. In 1968, Twin Disc acquired Paragon Gear Works of Taunton, Massachusetts, a producer of marine transmissions for pleasure boats. In 1992, it acquired rights to produce and distribute Arneson Surface Drives. The acquisition of Rolla SP Propellers in 2004 added a Swiss marine-propeller manufacturer, and the 2007 purchase of Italian BCS added boat-management systems. In 2018, Twin Disc acquired Veth Propulsion of Rotterdam, adding azimuth thrusters to a portfolio that had not previously included that product category. In 2024, it acquired Katsa Oy of Tampere, Finland, expanding its capabilities in power-transmission components and gearboxes. Twin Disc’s history is therefore marked by repeated movement into adjacent markets. It began with agricultural clutches, used diversification to withstand agricultural and economic downturns, contributed to wartime marine and military production, and subsequently developed into an international supplier of propulsion, transmission, and power-management technologies. The company’s present portfolio combines internally developed systems with capabilities added through partnerships and acquisitions, particularly in marine propulsion and industrial power transmission.

• 2024

  Katsa Oy acquired

  [1]Twin Discen.wikipedia.org

  The Finnish company expanded Twin Disc’s capabilities in transmission components and gearboxes.

• 2018

  Veth Propulsion acquired

  [1]Twin Discen.wikipedia.org

  The Dutch propulsion company added azimuth thrusters to Twin Disc’s product range.

• 2007

  BCS acquired

  [1]Twin Discen.wikipedia.org

  Twin Disc added Italian boat-management-system capabilities through the acquisition of BCS.

• 2004

  Rolla SP Propellers acquired

  [1]Twin Discen.wikipedia.org

  The Swiss propeller manufacturer became part of Twin Disc’s marine portfolio.

• 1992

  Arneson Surface Drive rights acquired

  [1]Twin Discen.wikipedia.org

  Twin Disc obtained rights to produce and distribute Arneson Surface Drives.

• 1968

  Paragon Gear Works acquired

  [1]Twin Discen.wikipedia.org

  The acquisition added marine transmissions for pleasure craft.

• 1967

  Corporate name changed

  [1]Twin Discen.wikipedia.org

  Twin Disc Clutch Company adopted the name Twin Disc, Incorporated as its product scope broadened.

• 1962

  European manufacturing expands

  [1]Twin Discen.wikipedia.org

  Twin Disc Clutch Belgium began operations at a new facility in Nivelles, Belgium.

• 1952

  Japanese transmission partnership established

  [1]Twin Discen.wikipedia.org

  Twin Disc began a partnership with Niigata Converter Co., later associated with Hitachi Nico Transmission.

• 1943

  Army-Navy “E” Award

  [1]Twin Discen.wikipedia.org

  Twin Disc received the Army-Navy award for excellence in wartime production.

• 1925

  Percy Haight Batten becomes president

  [1]Twin Discen.wikipedia.org

  Batten assumed the presidency as the company expanded beyond its original agricultural-clutch market.

• 1918

  Twin Disc Clutch Company founded

  [1]Twin Discen.wikipedia.org

  Thomas Fawick, Percy Haight Batten, and Arthur B. Modine incorporated the company in Racine, Wisconsin, to manufacture twin-disc clutches for tractors and heavy equipment.

An engineering-led power-transmission specialist for marine, off-road, industrial, rail, and other heavy-duty applications, emphasizing durability, system integration, and application-specific drivetrain performance.

• Marine propulsion

  Marine transmissions and gears

  Twin Disc’s marine transmission portfolio supports fishing boats, pleasure craft, workboats, and other vessels. The company’s marine history began with clutch development in the interwar period and expanded through military marine gears, Paragon transmissions, and later propulsion acquisitions.

• Power transmission · 1918

  Clutches

  Clutches were the company’s original product category. Twin-disc clutch technology was developed for tractors and heavy agricultural equipment, then adapted for logging, mining, oil-field, roadbuilding, marine, and other industrial machinery.

• Power transmission

  Torque converters

  Twin Disc developed torque converters for heavy equipment and rail applications. During World War II, it supplied converters for high-speed artillery tractors, and in the 1950s it produced a three-stage converter for an American locomotive.

• Marine propulsion · 1992

  Arneson Surface Drives

  Arneson Surface Drives are surface-piercing marine propulsion systems whose production and distribution rights Twin Disc acquired in 1992. They form part of the company’s specialized propulsion offering for high-performance and other demanding marine applications.

• Marine propulsion · 2004

  Rolla SP Propellers

  Rolla SP Propellers added Swiss-designed and manufactured marine propellers to Twin Disc’s portfolio following the 2004 acquisition. The product line complements transmissions, surface drives, and other propulsion components.

• Marine propulsion · 2018

  Veth Propulsion azimuth thrusters

  Veth Propulsion’s azimuth thrusters became part of Twin Disc’s offering after the 2018 acquisition. The systems provide steerable thrust for vessels and broadened Twin Disc beyond conventional transmission and clutch products.

• Industrial power transmission · 2024

  Katsa gearboxes and transmission components

  Katsa designs and manufactures power-transmission components and gearboxes. Its capabilities joined Twin Disc’s portfolio through the 2024 acquisition, strengthening the company’s industrial transmission and drivetrain coverage.

• Marine controls · 2007

  Boat management systems

  Boat-management-system capabilities entered Twin Disc through the 2007 acquisition of Italian company BCS. These systems complement the company’s mechanical propulsion products with vessel-control and management functions.

• 2024

  Acquisition of Katsa OyM&A

  Background

  Twin Disc continued expanding its industrial power-transmission and gearbox capabilities.

  Action taken

  It acquired Finnish company Katsa Oy.

  Aftermath

  The transaction added Katsa’s transmission components and gearbox expertise to Twin Disc’s business.

  Source

• 2018

  Acquisition of Veth PropulsionM&A

  Background

  Twin Disc sought to broaden its marine propulsion capabilities beyond transmissions and related components.

  Action taken

  It acquired Rotterdam-based Veth Propulsion.

  Aftermath

  Twin Disc added azimuth thrusters to its marine product portfolio.

  Source

• 1967

  Adopted the Twin Disc, Incorporated nameStrategy

  Background

  The company had expanded from agricultural clutches into marine, industrial, roadbuilding, oil-field, and rail applications.

  Action taken

  It changed its corporate name from Twin Disc Clutch Company to Twin Disc, Incorporated.

  Aftermath

  The new name reflected a broader power-transmission business rather than a company focused solely on clutches.

  Source

1. 1Twin Discen.wikipedia.org