John Deere Tier 3 Engine Line Up

By Maritime Reporter & Engineering News
Tuesday, December 10, 2013
Photo: John Deere Power Systems

John Deere Power Systems (JDPS) said it will meet U.S. EPA Marine Tier 3 emissions regulations with a lineup of diesel engines from 74-559 kW (99-750 hp). New PowerTech 9.0L and 13.5L Tier 3 propulsion and generator-drive engines join the previously announced 4.5L and 6.8L Tier 3 models.  The PowerTech 6090AFM85, PowerTech 6090SFM85, PowerTech 6135AFM85 and PowerTech 6135SFM85 propulsion and generator-drive engines are the latest additions to the JDPS Tier 3 lineup.  JDPS added two new 9.0L models to its lineup of Tier 3 marine engines: the PowerTech 6090AFM85 and PowerTech 6090SFM85 propulsion and generator-drive engines.  The PowerTech 6090AFM85 is an air-to-coolant aftercooled version of the John Deere 9.0L engine. It is available in four different propulsion ratings from 213-317 kW (285-425 hp); gen-set ratings include 222 kW (297 hp) at 1,800 rpm for 60 Hz and 195 kW (261 hp) at 1,500 rpm for 50 Hz.
The PowerTech 6090SFM85 is a turbocharged and air-to-seawater aftercooled engine. The model is available in five different propulsion ratings from 242-410 kW (325-550hp); gen-drive ratings include 222 kW (298 hp) at 1,500 rpm for 50 Hz and 278 kW (373 hp) at 1,800 rpm for 60 Hz.
JDPS 13.5L Tier 3 propulsion and generator-drive engines include the PowerTech 6135AFM85 and PowerTech 6135SFM85. The PowerTech 6135AFM85 is the largest John Deere air-to-coolant aftercooled engine, and is available in four different propulsion ratings from 272-429 kW (365-575hp); genset ratings include 334 kW (448hp) at 1,800 rpm for 60 Hz and 278 kW (373 hp) at 1,500 rpm for 50 Hz. The PowerTech 6135SFM85 is the most powerful engine produced by John Deere. The turbocharged and air-to-seawater aftercooled engine features six cylinders and electronic controls, providing high torque at low speeds. The 6135SFM85 model is available in five different propulsion ratings from 317-559 kW (425-750 hp); gen-drive ratings include 416 kW (558 hp) at 1,800 rpm for 60 Hz and 334 kW (448 hp) at 1,500 rpm for 50 Hz.


(As published in the November 2013 edition of Maritime Reporter & Engineering News -

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