Jacobs Vehicle Systems, a worldwide manufacturer of engine retarding and valve actuation systems for the commercial vehicle industry, has upgraded the company’s engine brake on model-year 2021 MX-11 ...

Peterbilt Motors Company announced Tuesday its availability of a new lightweight engine designed for endurance, quieter performance and fuel efficiency. The PACCAR MX-11 engine is available on the ...

"There’s no replacement for displacement.” That’s an old hot-rodders’ saying, and truckers use it, too. All other things being equal, a larger engine will outperform a smaller one. But things aren’t ...

Kenworth says it will begin selling Paccer’s new vocational engine after the first of the year. The MX-11, the company’s new 11-liter engine designed to produce up to 430 hp and 1,550 lb-ft of torque, ...

On the heels of launching the refreshed Peterbilt Model 579 and Kenworth T680 Next Generation Class 8 trucks, Paccar has released the enhanced specs for the 2021 PACCAR MX-11 and PACCAR MX-13 engines ...

Kenworth announces the 2021 PACCAR MX-11 and PACCAR MX-13 engines, giving even better performance and efficiency to Kenworth’s Class 8 truck lineup. Helping drive fuel efficiency improvements is a ...

Prestolite Electric’s Leece-Neville Heavy Duty Systems brand is offering a new in-line gear reduction starter motor called the M110608 for Paccar’s MX-11 and MX-13 engines. Prestolite Electric’s Leece ...

The PACCAR TX-18 was built from the ground up to be matched with MX-11 and MX-13 engines while providing capability for demanding applications such as heavy haul. The TX-18 Pro adds enhanced ...

The 2021 Paccar MX-11 and Paccar MX-13 engines for Kenworth’s Class 8 truck lineup feature re-designed internal components to enhance fuel economy. With the launch of Kenworth’s T680 Next Generation ...

With the launch of Kenworth’s new T680 Next Generation truck model, also comes the 2021 Paccar MX-11 and Paccar MX-13 engines. Both engines feature re-designed internal components to enhance fuel ...