Motorex
Motorex is a Swiss lubricant and technical-chemicals brand developed and marketed by the family-owned MOTOREX-BUCHER GROUP.
Last updated August 25, 2026
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Overview
Motorex is the principal international brand of the Swiss family-owned MOTOREX-BUCHER GROUP, a company focused on lubricants, metalworking fluids, technical cleaning and maintenance products, and fluid-handling equipment. The business traces its origins to 1917, when Arnold Bucher established a small production operation near Langenthal making shoe and floor-care products. In 1920, the company introduced the REX brand. As motorization expanded, the Bucher business moved into lubricants, with Edi Bucher associated with the company’s entry into that field. The Motorex brand itself was introduced in 1947. The company subsequently developed from a small Swiss producer into a specialist manufacturer with research, product-development, production and international sales capabilities. Its portfolio includes more than 2,500 formulations and, in commercial assortment terms, more than 8,000 items. These cover engine, transmission and hydraulic oils; water-miscible and non-water-miscible metalworking fluids; greases; spindle lubricants; engine coolants; heat-transfer fluids; brake fluids; additives; aerosols; technical cleaning and maintenance products; and specialized or niche chemical products. The range is sold globally under Motorex and in France also under the York brand. Motorex positions technical performance alongside environmental and occupational considerations. Its product-development approach considers the potential of lubricants to reduce emissions and energy consumption, the development of biodegradable and biological products, and the human compatibility of lubricants and chemical-engineering products beyond minimum legal requirements. The company states that it develops products in cooperation with users, original-equipment manufacturers, industrial partners, motorsport teams, universities and research institutes. This gives the brand a business-to-business and specialist-technical identity rather than that of a mass-market consumer oil company. Production is carried out at facilities in Langenthal, Switzerland; Toulon, France; Ostrowiec, Poland; and Minneapolis, United States. Sales are supported by a distributor network of approximately 130 distributors operating across around 85 countries. The organization employs people from more than 20 countries. Despite its international manufacturing and distribution footprint, ownership has remained within the Bucher family, with the MOTOREX-BUCHER GROUP described as being controlled by the third and fourth generations of the family. The available reference material does not identify a stock-market listing, a public ticker, current executives, or a corporate website.
History
Motorex developed from a small Swiss chemical-products business founded near Langenthal in 1917 by Arnold Bucher. The original operation produced shoe and floor-care products, reflecting an early focus on practical maintenance products rather than lubricants alone. In 1920, the company introduced the REX brand. The growth of motorization created an opportunity to broaden the business into automotive and industrial maintenance, and Edi Bucher led or was associated with the company’s entry into lubricants. The Motorex brand was launched in 1947. Its creation marked the development of a dedicated identity for the lubricant business, which later expanded into a broader portfolio of industrial fluids and technical chemical products. Over the following decades, the company continued developing products and capabilities while retaining its family ownership. The present MOTOREX-BUCHER GROUP remains controlled by the third and fourth generations of the Bucher family, making continuity of ownership a central feature of the company’s history. Motorex’s modern business is built around product development, formulation expertise, manufacturing and technical cooperation with users and industrial stakeholders. Its development network includes original-equipment manufacturers, industrial partners, motorsport teams, universities and research institutes. The stated portfolio contains more than 2,500 formulations and more than 8,000 commercial items, spanning automotive lubricants, industrial fluids, metalworking products, cleaning and maintenance chemicals, and related specialties. The company’s development philosophy has increasingly incorporated environmental and health-related criteria in addition to basic technical performance. Motorex considers lubricant quality in relation to emissions and energy efficiency, develops biological and biodegradable products, and evaluates human compatibility of lubricants and chemical-engineering products beyond the minimum requirements imposed by law. These factors support the brand’s specialist positioning in sectors where equipment protection, process reliability and regulatory or environmental performance are important. The group expanded its physical and commercial reach beyond Switzerland. Production is carried out in Langenthal, Toulon in France, Ostrowiec in Poland and Minneapolis in the United States. International sales are organized through approximately 130 distributors serving around 85 countries, while the company employs people from more than 20 countries. Products are marketed worldwide under Motorex and, in France, also under the York brand. The available reference material does not provide a detailed chronology of later acquisitions, leadership appointments, financial performance or individual product launches, so those elements remain undocumented here.
- 1947
Motorex brand launched
[1]The company introduced the Motorex brand for its lubricant-related business.
- 1920
REX brand introduced
[1]The company launched the REX brand as it expanded its maintenance-product activities.
- 1920
Entry into lubricants
[1]Driven by increasing motorization, the Bucher business entered the lubricants market, with Edi Bucher associated with this move.
- 1917
Bucher company founded near Langenthal
[1]Arnold Bucher established a small production operation in Switzerland making shoe and floor-care products.
Products and positioning
A Swiss specialist and development partner for high-performance lubricants, metalworking fluids and technical chemical products, emphasizing application engineering, OEM and industrial cooperation, environmental performance, biodegradability and user health considerations.
Automotive and industrial lubricants
Engine, transmission and hydraulic oils
Motorex offers lubricants for engines, transmissions and hydraulic systems. These products support the brand’s core role in equipment protection, friction reduction, reliability and operating efficiency across automotive, industrial and other technical applications. The reference material identifies these oils as a major part of the company’s broad assortment, but does not specify individual product-series names or launch dates.
Industrial process fluids
Metalworking fluids
The metalworking range includes both water-miscible and non-water-miscible fluids. These products are intended for industrial machining and related manufacturing processes, where cooling, lubrication, surface quality, tool life and process management are important. Motorex develops such products in cooperation with industrial users and partners, while the available material does not identify specific formulations or product families.
Industrial lubricants
Greases and spindle lubricants
Motorex’s portfolio includes greases and spindle lubricants for specialized mechanical and industrial applications. These products address lubrication requirements that are not served by standard liquid oils, including components exposed to particular load, speed, temperature or application constraints. The reference material confirms their inclusion in the range but provides no individual technical specifications.
Thermal-management fluids
Coolants and heat-transfer fluids
The company supplies engine coolants and heat-transfer fluids as part of its automotive and industrial chemicals portfolio. These products are designed for thermal-management duties in equipment and processes, complementing Motorex’s lubricants and maintenance chemicals. Specific technologies, formulations and product launch dates are not identified in the available reference material.
Automotive and technical chemicals
Brake fluids, additives and aerosols
Motorex’s assortment also includes brake fluids, additives and aerosols. These products extend the brand beyond primary lubricants into vehicle and equipment maintenance, fluid performance enhancement and targeted technical applications. The source material lists these categories but does not provide detailed information about specific formulas, packaging or market introduction dates.
Technical care products
Technical cleaning and maintenance products
Technical cleaning and maintenance products reflect the company’s original heritage in practical care products and remain part of the modern Motorex portfolio. They are intended to support the upkeep of machinery, vehicles and industrial equipment alongside lubricants and fluids. The available information does not identify named lines or detailed application-specific specifications.
Environment-oriented lubricants and fluids
Biological and biodegradable products
Motorex maintains a growing range of biological and biodegradable products. The company presents biodegradability and environmental performance as important considerations in product development, alongside technical performance. The available source does not provide a complete product list, quantitative environmental claims or individual launch chronology for this part of the portfolio.
Sources1 sources
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