Third party tests prove it. At 75 percent load, the John Deere PowerTech Plus 9.0L diesel engine consumes 7.6 percent less fuel per hour than one competitor and 17.0 percent less fuel per hour than another competitor. This can result in using up to 2.5 gallons less per hour at 75 percent load.

To achieve this level of improved fuel economy, John Deere employed three key technologies; cooled exhaust gas recirculation (EGR), the variable geometry turbocharger (VGT), and a state-of-the-art engine control unit (ECU).
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