B6.7N

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.

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NOx emission 0.1 g / bhp-hr. (50% below EPA)
Maximum Horsepower 240 HP | 179 kW
Peak Torque 560 LB-FT | 759 Nm
Governed Speed 2,630 rpm
Type 4-cycle, spark-ignited, in-line
6 cylinder, turbocharged, CAC
Engine Displacement 409 CU IN | 6.7 LITERS
Number of Cylinders 6
Operating Cycles 4
Net Weight (dry) 1,150 lb | 522 KG
Fuel Type CNG / LNG / RNG
Aftertreatment Three-Way Catalyst
Base Warranty 2 Years, Unlimited Miles