Cummins ISM available on Peterbilt 320

Peterbilt’s Class 8 low-cab forward Model 320 – the company’s most popular truck for refuse applications – now is available with the Cummins ISM engine.

The new 11-liter engine option is available with horsepower ratings from 280 (1,150 ft.-lb. torque) to 350 (1,350). It is the largest engine available for this model.

The Model 320 also is available with the Cummins ISC rated up to 315 horsepower (950 ft.-lb. torque) and the Caterpillar C7 rated up to 300 horsepower (860). Both are seven-liter engines.