Upgraded Jake Brake for 2021 Paccar MX-11

Jacobs Vehicle Systems upgraded the company’s engine brake, the Jake Brake, on model-year 2021 Paccar MX-11 heavy-duty diesel engines. The electronically controlled engine brake now includes a new high-flow solenoid to facilitate faster, smoother gear shifting, resulting in simplified and smoother vehicle operation, as well as fuel consumption improvements. Drivers will enjoy a smoother driving experience.

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