149 - 179 kW
705 - 759 N•m
Cummins Westport introduces the new B6.7N natural gas engine for the school bus, shuttle, and medium-duty truck markets. Rated up to 240 hp / 560 lb-ft torque, the B6.7N offers a reliable, low-emissions, and low cost option for your fleet. The B6.7N is certified to California Air Resources Board Optional Low NOx standard of 0.1 g/bhp-hr - 50% lower NOx emissions than current EPA regulations.
- 100% natural gas engine, featuring spark-ignited stoichiometric combustion with cooled EGR and a maintenance-free Three-Way Catalyst
- Closed Crankcase Ventilation (CCV) system and On-Board Diagnostics for optimal emissions performance
- Certified to California Air Resources Board Optional Low NOx 0.1 g Standard - 50% below current EPA standard); exceeds 2017 EPA GHG requirements
- Cost-efficient and reliable performance