John Deere Launches New 425-hp Marine Diesel
John Deere Power Systems (JDPS) will debut its newest marine engine at the 2011 Miami International Boat Show, February 17 – 21, 2011. The PowerTech™ 6090AFM75 marine diesel engine is the newest addition to the John Deere lineup and can be rated up to 317 kW (425 hp). It is EPA Tier 2 compliant. The 9.0L 6-cylinder, electronically controlled, turbocharged and after-cooled marine engine is said to be appropriate for propulsion or generator applications. This new marine engine has obvious trawler, LRC and coastal cruiser applications.
 New John Deere marine diesel is a 9.0L 6090AFM75 Series unit. |
“John Deere continues to work on expanding the marine engine lineup with more new models and horsepower ratings,” said Dave Flaherty, marine marketing manager for John Deere Power Systems. “We designed the new 6090AFM75 to provide high power output with reliable, durable performance for propulsion and generator applications.” The new PowerTech 6090AFM75 has a high pressure common rail fuel system with vertical fuel injectors to provide clean burning for lower emissions and improved fuel economy.
Some Features And Benefits of the 6090 Series--
Watercooled Turbocharger and Exhaust Manifold--
*Cooler and quieter environment for vessel and crew
*Reduced external connections eliminate hoses and fittings that can leak or break.
Directed Top-liner Cooling--
*Reduces upper liner temperature by as much as 100 degrees Fahrenheit (54 degrees Celsius)
Replaceable Wet-type Cylinder Liners--
*Hardened and precision machined for long life
*Engine can be rebuilt back to factory specifications
Gear Auxiliary Drive
*Optional auxiliary drive for wash-down pumps, hydraulic oil pumps, and air compressors
Front or Side Service
*Oil and fuel filter combinations
*Application and service flexibility to provide installation convenience plus fast and easy maintenance
Heat Exchanger or Keel Cooled
*High-capacity heat exchanger designed for reliable operation in adverse conditions
*Keel cooled option available with single circuit design
*Engine coolant routed through aftercooler for increased reliability, power and efficiency
High Torque and Low Rated RPM
*Excellent vessel control and maneuvering
*Lower rated rpm limits vibration and noise for better crew comfort
Fuel System
*Electronically controlled high pressure common rail fuel system provides precise fuel delivery with pilot injection and variable timing resulting in excellent fuel economy and performance
*Self diagnostics and protection