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Eaton Cummins JV unveils 12-speed automated transmission

Green Car Congress

With the lowest cruise RPM among competitive automated transmissions and the best overall ratios, Endurant is ideally engineered to fully support the growing move to downspeeding to help save fuel. Endurant will be paired with the Cummins X15 Efficiency Series engine beginning in October for Peterbilt and Kenworth trucks.

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Kenworth and Peterbilt to add heavy-duty Cummins Westport ISX12 G to line of natural gas engines

Green Car Congress

Kenworth Truck Company and Peterbilt Motor Company will expanding their alternative fuel line-up by offering the Cummins Westport ISX12 G heavy duty natural gas engine ( earlier post ) for use in regional haul, vocational and refuse markets. Peterbilt uses the ISL G and Westport GX engine. liter Cummins Westport ISL G.

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