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VIDEO Cummins X15 Pt 3: Performance Series


When Cummins first began hinting about changes to its 2017 engine line up, the company said it would deliver engines to suit every segment of the market, from the fuel-conscious over-the-road fleets to performance-sensitive heavy-haulers and vocational fleets. With the launch of the X15 Performance Series, Cummins made good on its promise. The engine packs up to 605 hp and 2,050 lb-ft of torque. 

The Performance Series carries forward the best attributes of the ISX15 platform, provides an ideal power match for heavy-haul, vocational and emergency vehicles. The X15 Performance Series features an optimized compression ratio and cam profile to increase both fuel efficiency and performance capability. An upgraded high flow air-handling system gives a faster pedal response, for enhanced driveability at full payload and on steep climbs. Peak torque of up to 2050 lb-ft is delivered across a very wide engine rpm range, so less shifting is needed and less fuel is used. Equally powerful is the engine braking, with over 450 hp engine braking at just 1500 rpm and up to 600 hp at 2100 rpm.

The new engines were launched at the Cummins ‘Four Strokes of Genius’ event held at the Transportation Research Center (TRC) in Ohio in July, but we got an advanced look at the engine back in the spring. This video features elements of the original test drive as well as footage from the engine launch in July.

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