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Cummins X Series

Cummins Extends Oil Drain Intervals to 80,000 Miles

Cummins says X15 Efficiency Series and X15 Performance Series engine owners can extend their oil drain intervals up to 80,000 miles using the free Cummins OilGuard program, which uses engine performance data and oil analysis to safely optimize oil drain intervals.

International LT Launched Loudly, Described Enthusiastically

Navistar unveiled its new International LT series in Las Vegas on Sept. 30 with speeches, videos, hard rock music, and fire-and-smoke effects – a launch befitting a "Vegas" production and a vehicle range that will become the company’s flagship model and, executives hope, the most popular highway tractor on the market.

Quick Spin: Cummins Brings X12 to North America

A little while back, Equipment Editor Jim Park tested out Cummins' latest diesel engine, the X12. Are smaller displacements the engine trend of the future? Cummins seems to think so and is hedging its bets on the question.