Jake Brake

ISX engine brake

The Model 460 engine brake, developed in conjunction with Cummins, was built for the Cummins ISX 11.9 diesel engine and is rated between 346 and 390 hp at 1,900-2,100 rpm. It will be offered as optional equipment, comprising two engine brake housings and special exhaust valve bridges. JACOBS VEHICLE SYSTEMS, jakebrake.com

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Roadside Attractions

Trying to outrunning a tornado, shipping alernatives, biking maps and sleep apnea are among the topics featured -- plus Channel 19 and Truck Gallery.

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Mack in Hagerstown, Jacobs share 50 years with Overdrive

Mack Celebrates 50 years of Hagerstown powertrain assembly In a ceremony Wednesday at the plant in Hagerstown, Md., where its powertrain components have been assembled since 1961, Mack Trucks paid tribute to the past, celebrated the present and cast a positive eye to the future, just as we've been doing (well, mostly my colleague Lucinda Coulter) here atĀ Overdrive as we celebrate our 50th anniversary over at http://www.overdriveretro.com/. In 1959, looking for a modern alternative to its existing ...

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