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Our Customers

C&C Trucks

This new truck company is a Joint Venture between Chery and CIMC. The new truck features a Yuchai 12 liter engine with a Jacobs engine brake as standard equipment.

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In response to CNHTC and other Chinese OEMs, "voice of the customer" (VOC), regarding performance needs and the subpar quality of China's local exhaust brakes, SJVS invented the CBP XB.

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Cummins is a global power leader that designs, manufactures, sells and services diesel engines and related technology around the world.

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DAF Logo

For more than 15 years, Jacobs and DAF have worked together to provide greater braking power than a standard exhaust brake.

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Daimler and Jacobs began their relationship back in 2003 when the first design concept for their global engine platform was presented at a meeting in Detroit.

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Detroit Logo

For nearly 50 years, Jacobs has been working with Detroit, beginning with its two-cycle product in the early 1960s.

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Discussions started more than 14 years ago, when Deutz was looking to enhance its “air cooled” engine range in order to sell them to the Automotive market.

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A Jacobs engine brake is featured as optional equipment on the Tienlong truck. Jacobs and Dongfeng have had a good, longstanding relationship, dating back to the Model 615s, an old RVI product.

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Jacobs provides engine brakes for Doosan’s DL08 and DV11 engines, which are installed in TATA/Daewoo trucks and Daewoo Buses. Jacobs’ engine brakes have been available on Doosan’s engines since 2004.

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The largest heavy-duty truck manufacturer in China, FAW is also the first Chinese customer to work with when Jacobs entered into China market in 2004.

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At Foton, the CTX Auman 9 features a Jacobs engine brake as standard equipment on the Cummins ISM engine.

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Mitsubishi Fusco Truck & Buss Corp (MFTBC) has been a customer of Jacobs since 1990, developing its engine retarders and introducing the first brakes for the 6D40 and 8M20 engines in 1991.

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Hino has been a customer of Jacobs since 1994 and is our largest customer in Asia.

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hyundai 1

Hyundai Motors was Jacobs’ first customer in Korea and has been the supplier of Hyundai’s engine brakes since 2000.

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Navistar Logo

In response to the market need for better braking performance, Jacobs and Navistar worked together to develop a joint-branded engine brake that provides a new level of braking power.

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Jacobs worked closely with PACCAR as the global truck manufacturer decided to bring its MX European engine to the North American market.

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SDEC is the diesel engine provider to a wide range of truck builders. Jacobs supplies a bleeder brake and exhaust brake combination for the 9DF engine.

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Our Story

Although the Jacobs Engine Brake has been on the market since 1961, the need for it was terrifyingly demonstrated to its inventor Clessie L. Cummins, some thirty years earlier. In August of 1931, himself, Ford Moyer, and Dave Evans driving a Cummins diesel powered Indiana truck from New York to Los Angeles...

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Featured Technology


ADT (Active Decompression Technology)

For Start-Up and Shutdown Engine Strategies When drivers expressed frustration with anti-idling regulations, Jacobs’ engineers developed a device to improve start-up and shutdown engine technology.

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