Cummins introduced the 2017 B6.7 and L9 engines at the NTEA Work Truck Show.
The B6.7, with a 200 to 325 hp, 520 to 750 lb.-ft. ratings range, is the next generation in a proven line of B Series engines, dating back to the introduction of the 6BT5.9 in 1984. New for 2017 is an increase in fuel economy for the entire range of B6.7 ratings. Optimized for stop-and-go duty cycles, the B6.7 efficiency ratings - 200 to 260 hp - offer an increase in fuel-economy of up to 7 percent over current product. The B6.7 performance ratings - 280 to 325 hp - also offer enhanced efficiency while still meeting demanding duty cycles; customers can expect up to a 5 percent increase without sacrificing power. Further fuel-economy improvements can be realized with innovations like the Stop-Start system. This technology allows the engine to operate only when necessary - saving fuel while creating a quieter ride for the driver.
With ratings from 260 to 380 hp and 720 to 1250 lb.-ft., the 2017 L9 offers optimized ratings for some of the toughest duty cycles. New for 2017 is a 350 hp/1150 lb.-ft. rating that maintains more power and torque across a wider rpm range, ideally suited for tough vocational duty cycles.