Kenan Buys 100,000th MX-13 Engine Made by Paccar

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Peterbilt Motors
Petroleum and chemical tank carrier Kenan Advantage Group purchased the 100,000th MX-13 engine made by Paccar Inc., the manufacturer said Aug. 21.

The diesel engine will be placed in a Peterbilt Motors Model 579 for the North Canton, Ohio-based trucking company, which ranks No. 20 on the Transport Topics Top 100 list of the largest for-hire carriers in the United States and Canada.

Paccar has made MX engines at its 450,000-square-foot Columbus, Mississippi, factory since 2010. The engines are used in heavy-duty Peterbilts and in Kenworth trucks. Peterbilt and Kenworth are both divisions of Paccar, which is based in Bellevue, Washington.

“The Peterbilt Model 579s with MX-13 engines in our fleet have been reliable, fuel-efficient performers,” KAG President Bruce Blaise said.

Models of the MX-13 can be selected with up to 500 horsepower and 1,850 pound-feet of torque.



The MX-13 was created, in part, as a response to the federal change in emission standards that took effect at the beginning of 2010. Most heavy-duty U.S. diesel truck engines built that year featured selective catalytic reduction systems for the first time.

Exhaust gas recirculation started in 2002 and diesel particulate filters in 2007.

The MX was first made by DAF Trucks, Paccar’s European subsidiary.

Kenworth and Peterbilt also use the Cummins ISX15 in their trucks.

Five days after the Kenan announcement, Kenworth also said it installed its 50,000th MX in a T680 day cab for UPS Inc. The Paccar MX-13 engine resides in a new, fuel-efficient Kenworth T680 Day Cab that will serve UPS operations in the Seattle area.