Jacobs’ optimized engine brake for the 15-liter 2017 Cummins X15 engine is designed to capitalize on the optimization of the VGT and braking cam to deliver 10 percent additional braking power at ...

Ever had this happen? You're flat-towing your 4x4 through the mountains and there's a particularly long downgrade up ahead. Maybe your brakes are already a little hot, the pedal is a bit spongy, and ...

When the technologies developed under the SuperTruck I (shown) initiative hit the market, they are projected to reduce CO2 emissions by 33% from the 2009 baseline. SuperTruck II demonstrates a further ...

X15 diesels showed quick throttle response and strong acceleration on the TRC's tracks. Engine brakes were impressively strong, even at low rpm's. A parade of X15-powered tractor-trailers led the ...