Latest News

In the News: ATZ: Engine Braking with Lashless Valve Trains

ATZ Magazine"Until now, hydraulic valve lash adjusters could not be used in heavy-duty diesel engines in combination with an additional engine brake, as the engine brake causes significant valve lash during the braking process. The hydraulic compensation elements automatically readjust to take up this play, thereby preventing correct seating at the end of the cycle.

In the News: NACFE Freight Efficiency Podcast

Steve Ernest, Jacobs VP of Engineering & Business Development, spoke to NACFE's Mike Roeth on his Fright Efficiency podcast.  The two discussed a number of topics including VVA, Cylinder Deactivation, electric trucks, and more. 

Listen here or wherever podcasts are available.

Jacobs Suzhou Team Holds Day of Caring

Jacobs Suzhou team has carried on the Day of Caring tradition for years, and this year they participated in an activity called "Big Hands and Small Hands". In November, a team visited the Suzhou Industrial Park Ren’ai School which is a special school that takes in children and teenagers with moderate or severe intellectual disabilities, autism, cerebral palsy, and multiple disabilities. Prior to visiting the school, over 30 Jacobs employees volunteered to assemble six beautiful bookshelves.

Jacobs High Power Density Engine Brake Specified by Chinese Truck Maker

BLOOMFIELD, CT, USA – Jacobs Vehicle Systems’ High Power Density® (HPD ®) engine brake has gone into production with a Chinese truck manufacturer. This is the first OEM application of HPD, launched in 2016, to be announced. The new Sinotruk Yellow River tractor unit, designed and manufactured by China National Heavy Duty Truck Company (CNHTC), integrates Jacobs’ HPD technology in its 11- and 13-liter engines.

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For media inquiries, please contact your regional representative listed below.

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+1 215-485-1282

Harbort Wu
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+86 138 166 16470

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World Congress on Internal Combustion Engines

Join the Jacobs team at the second World Congress on Internal Combustion Engines April 21-24 in Jinan, Shandong at the Shungeng International Convention and Exhibition Center.  The show is centered around Green, High Efficiency, Intelligence, and Reliable.  At the show, you can find us at Booth 338 and discover the latest engine braking and emissions solutions that Jacobs has to offer.  

For more information on the event, visit