The engine is certified to the optional low nitrogen oxide (NOx) level of 0.05 g/bhp-hr. It is available in Blue Bird Type C buses and class 4 to 7 vehicles.
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The Cummins B4.5, B6.7, and L9 engine platforms are compatible with paraffinic renewable diesel fuels meeting the EN 15940 specification.
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The engine manufacturer officially endorses and recommends two Power Service products: Diesel Kleen and Diesel Fuel Supplement.
Read More →Thomas Built Buses is now offering a feature called Diesel Particulate Filter Temperature Stabilization, aka “Stay Warm,” on its buses with Cummins diesel engines.
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The Guidanz app enables customers to read prioritized engine fault codes and other key engine information wherever they are operating.
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The American Petroleum Institute has licensed more than 400 oils that meet the CK-4 and FA-4 standards approved by the association last year.
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The gasoline-powered Type C school bus, which uses a Ford 6.8L V10 engine, is now certified to the federal standard of 0.20 g/bhp-hr for NOx emissions.
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The 7.7-liter medium-duty diesel engine will be offered for the Thomas Built Saf-T-Liner HDX school bus starting in 2018.
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Coverage of the PSI propane and gasoline engines expands to five years, unlimited miles — up from 100,000 miles.
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The company’s new facility in Portland has capacity for up to 500 units, including gas and diesel engines, transmissions, and differentials.
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