Cummins Inc. (NYSE: CMI) today announced the start of production of the QSX15 for John Deere® 9R/9RT Series Tractors at its Jamestown Engine Plant (JEP) in Jamestown, N.Y. The QSX15 meeting U.S. Environmental Protection Agency (EPA) Tier 4 Final and European Union (EU) Stage IV emissions standards is the first 15-liter engine supplied to John Deere for four-wheel-drive tractors.

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