The Environmental Protection Agency and California Air Resources Board have established that NOx and particulate emissions ...

The all-new 6.7-liter Cummins High-Output Turbo Diesel is rated at 430 horsepower and 1,075 lb.-ft. of torque. A redesigned block and head, robust heavy-duty pistons, new performance intake manifold, ...

Peterbilt 589 features a Sleeper configuration to go with a Cummins X15 turbodiesel engine and an 18-speed manual ...

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