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John Deere Power Systems (JDPS) is pleased to announce that three models in their lineup of 75 hp to 174 hp off-highway diesel engines have been certified as compliant with U.S. Environmental Protection Agency (EPA) Interim Tier 4, European Union (EU) Stage III B and California Air Resources Board (CARB) emissions regulations. The PowerTech PWX 4.5L and PVX 4.5L engines and the PowerTech PVX 6.8L model below 174 hp join the previously certified lineup of engines above 174 hp. Engines in the 75 hp to 174 hp power range will feature full-authority electronic controls, a 4-valve cylinder head, a high-pressure fuel system, wastegate or variable geometry turbocharging and an air-to-air aftercooling system. John Deere elected not to use selective catalytic reduction (SCR).
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JDPS Receives Certifications for its 75 hp to 174 hp Engines
