The Jacobs Engine Brake or Jake Brake for short, alters a semi-truck's valve timing so that the engine helps slow it down and reduces the forces placed on the truck's standard brakes. A modern ...

To maintain safe speeds and prevent overheating on long descents, these trucks use the widely prohibited engine brakes or jake brakes, as well as retarders. While both braking systems are there ...

On a quiet Spring Sunday afternoon, Peterbilt’s new general manager, Jake Montero ... weight vehicle options -- specifically with disc brakes – with more lightweight features coming later ...

Peterbilt last year achieved record market share in heavy duty (15.3%), thanks in part to the strength of its newest truck, the Model 589. With its 2023 debut, the 589 took the mantle of Peterbilt ...

Applying the service brake will override the throttle if ... Peterbilt Motors Company on Jan. 23 named Jake Montero as Peterbilt general manager and Paccar vice president. Before his current ...

Peterbilt has announced leadership changes as Jake Montero steps into the role of Peterbilt general manager and Paccar vice-president. Jake Montero. (Photo: Peterbilt) Montero, who has been with ...

This 2025 Peterbilt 589 semi features a Sleeper Cab configuration, a Cummins X15 turbodiesel engine, and a gorgeously retro White and Baffin Blue exterior. It’s currently for sale with zero ...

The other technology is called a Jake Brake. Contrary to popular belief, the jake brake has nothing to do with Jake from State Farm. The jake brake is a valve timing technology used by diesel ...

“(The ban) is virtually unenforceable,” said Councilman Dave Butterbaugh. “Jake brakes are for safety, and the argument can be made that to not allow someone to use them is hindering (t ...

WEIRTON, W.Va. — Residents along Beverly Avenue off Freedom way in Weirton say they have been facing a loud issue -- trucks using Jake brakes. Joe Smith has lived in the same house for decades ...

American truck brand Peterbilt has announced its biggest electric semi sale to date – with Swedish transport company Einride AB ordering 150 of the company’s 579EV BEV trucks. Einride is ...

Once you got her wound up she was good for about 78 mile an hour (125km/h) so she was pretty quick.” With the Jake brake slowing the Peterbilt, Malcolm wheels off the Hume once again and into Chiltern ...