Cummins Inc.'s latest integrated diesel power solution from the Cummins Integrated Power portfolio — the X15 paired with the Endurant transmission — is now available with Navistar in both the International LoneStar and LT Series trucks.

“As part of our Cummins Integrated Power portfolio, we've strategically paired the X15, which was the number one selling heavy-duty engine in North America in 2017, with the Endurant transmission to offer a low total cost of ownership for our customers while optimizing efficiency and delivering the performance our customers demand,” said Brett Merrit, vice president — Cummins on-highway engine business.

When looking across the lifecycle of the powertrain, customers will be faced with fewer maintenance events, leading to less time and money spent in the shop, and more time available to focus on their business, according to the company.

The X15 features a 50,000-mile oil drain interval that can be extended up to 80,000 through the Cummins OilGuard program. The Endurant transmission boasts a maintenance-free self-adjusting clutch due to advanced clutch prognostics. In addition, the Endurant's 750,000-mile transmission oil drain interval is the longest in the industry while only consuming half the amount of oil as competitive automated transmissions.

“Cummins knowledge and experience in integrating key powertrain technologies has served our customers well over the years,” said Jim Nachtman, international heavy-duty product marketing mirector. “By offering the X15 and Endurant solution from the Cummins Integrated Power portfolio, we know we're providing our customers a solution that will help keep their operating costs low while still delivering the power they need to get their job done.”

With deeper integration through the Eaton Cummins joint venture, the engine and transmission are able to communicate seamlessly, optimizing both performance and efficiency of the powertrain, meaning that Cummins Integrated Power solutions will continue to deliver benefits for customers' operations.

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