Peterbilt Motors is offering the Cummins Westport ISL-G Near Zero NOx emissions natural gas engine for its Model 567, 520 and 320 trucks. The new engine's performance and efficiency matches the current ISL-G with 320 horsepower and 1,000 lb.-ft.
Peterbilt Motors is offering the Cummins Westport ISL-G Near Zero NOx emissions natural gas engine for its Model 567, 520 and 320 trucks. The new engine's performance and efficiency matches the current ISL-G with 320 horsepower and 1,000 lb.-ft.