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John Deere Introduces New Auxiliary Marine Engines

John Deere Power Systems (JDPS) introduced the Marine Tier 3 PowerTech auxiliary drive engines, a full line of radiator-cooled, dry-exhaust-manifold auxiliary engines. They can power a variety of deck auxiliary equipment including, pumps, winches, cranes, hydraulics and generators.

The new engines meet U.S. Environmental Protection Agency Marine Tier 3 emissions regulations for U.S. waterways. Marine Tier 3 PowerTech auxiliary drive engines were developed based on the proven hardware of the John Deere PowerTech non-road Tier 3/Stage III A in-line, four- and six-cylinder engine platform. With displacements from 4.5 to 13.5L and power ratings from 74 to 448 kW (99 to 600 hp), these engines offer constant- and variable-speed ratings to meet a wide variety of application needs.

The PowerTech 4.5L engine is available with constant-speed ratings of 78 and 129 kW (105 and 173 hp) at 1800 rpm. Variable-speed ratings for the lineup include: PowerTech 4.5L: 74 kW (99 hp) at 2200 rpm; PowerTech 6.8L: 187 kW (250 hp) at 2200 rpm; PowerTech 9.0L: 280 kW (375 hp) at 2200 rpm; and PowerTech 13.5L: 448 kW (600 hp) at 2100 rpm.

JDPS debuted the engines at the 2014 Offshore Technology Conference (OTC), from May 5 to 8 in Houston, Texas. Marine Tier 3 auxiliary drive engines will be available for order in summer 2014, with expected delivery in fall 2014.

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