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Cummins Extends ISX15 Service Intervals in 2015

Cummins_2013_ISX15Cummins ISX15 is the most popular engine in heavy duty truck operations, largely due to the fact that it has lower operating costs and strong residual value. In 2015, we are continuing to drive your customers’ cost of operation even lower, reducing maintenance costs through increased service intervals for Diesel Particulate Filter (DPF) cleaning and the crankcase ventilation filter.

In prior years, the ISX15 had DPF cleanings recommended every 200,000 miles (322,000 km). In 2015, that cleaning interval varies by duty cycle (as measured by mpg). Vehicles in normal duty cycles that get more than 5.5 mpg can now travel twice as far – 400,000 miles (644,000 km) – between cleanings. Vehicles in demanding applications that get less than 5.5 mpg should perform an ash cleaning at 250,000 miles (402,000 km).

Similarly, the crankcase ventilation filter that was recommended to be replaced every 125,000 miles (201,000 km) has a new duty-based maintenance recommendation. Vehicles in normal duty cycles that get 5.5 mpg or more can now go 175,000 miles (282,000 km) before replacing the filter. Vehicles in severe duty applications, defined as those getting less than 5.5 mpg, are recommended to keep the current 125,000 mile (201,000 km) filter change interval.

In both cases, an enhanced maintenance monitor provides peace of mind with a notification via a 30-second flashing of the Check Engine lamp. In most cases, this reminder will go off beyond the mentioned intervals.

In addition to the changes outlined above, we have provided OEMs the option to spec a maintenance-free coolant filter in the 2015 ISX15. Customers who choose to add this option to their engines will not only be eliminating one item off their maintenance checklist, but they’ll also be reducing time and expense in the service bay.

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