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John Deere 6081 AFM PowerTech Marine Engines

 

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This 8.1L, 6-cylinder engine has a low rpm rating that limits vibration and noise. Direct top-liner cooling reduces the temperature by as much as 100° F (38° C) for extended reliability. Optional auxiliary drive can power wash-down pumps, hydraulic oil pumps, or air compressors.

Features & Benefits

Watercooled Turbocharger and Exhaust Manifold

  • Cooler and quieter environment for vessel and crew
  • Reduced external connections eliminates hoses and fittings that can leak or break

Replaceable wet-type cylinder liners

  • Excellent heat dissipation
  • Hardened and precision machined for long life
  • Rebuild to original specifications

Directed Top-liner Cooling

  • Reduces upper liner temperature by as much as 100 degrees Fahrenheit (54 degrees Celsius)
  • Durable and reliable power cylinder components

Corrosion Resistant Components

  • Provides engine protection from the effects of seawater

Gear Auxiliary Drive

  • sOptional auxiliary drive for wash-down pumps, hydraulic oil pumps, and air compressors

Either-side Service

  • Oil fill and dipstick 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 cooler or heat exchanger options provide application flexibility

High torque and low rated rpm

  • Enables the engine to turn larger propellers at lower speed for best efficiency
  • Excellent vessel control and maneuvering
  • Lower rated rpm limits vibration and noise for better crew comfort

Fuel System

  • Electronically controlled rotary fuel injection pump with variable timing resulting in excellent fuel economy and excellent performance
  • 3-5% Generator Droop Governing
  • Self diagnostics and protection
  • Electronic instrument panel with plain text messaging

Emissions

  • US EPA Marine Tier II Compliant
  • IMO Compliant

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