Cummins Marine 4BTA 3.9
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Cummins 4BT / 4BTA 3.9 Specifications

Configuration In-line 4-cylinder, 4-stroke diesel
Bore & Stroke 102 mm x 119 mm (4.02 in x 4.72 in)
Displacement 3.9 L (239 in3)
Aspiration Turbocharged/Aftercooled (4BTA)
Rotation Counterclockwise facing flywheel
  • 4 Cylinder, 3.90 L, Turbocharged Marine Diesel Engine
  • HX or Keel Cooling configurations / Seawater or Jacket Water Aftercooled
  • Simple 12 valve mechanical design with parts pricing that no other engine can touch
Cummins Marine 6BTA 5.9 & 6CTA 8.3 Maintenance Procedures
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General Information Perform maintenance at whichever interval occurs first. At each scheduled maintenance interval, perform all previous checks that are due for scheduled maintenance. Maintenance Procedures at Daily Interval Coolant Level – Check Fuel-Water Separator... Read More

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