Cummins 6CTA 8.3
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Cummins 6CTA 8.3 Specifications

ConfigurationIn-line 6-cylinder, 4-stroke diesel
Bore & Stroke114 mm x 135 mm (4.49 in x 5.31 in)
Displacement8.3 L (505 in3)
RotationCounterclockwise facing flywheel
  • The 6CTA 8.3 (450 Diamond) is the most sought after marine diesel in both recreational and commercial markets
  • Proven mid-range diesel platform with mid-stop wet liners, 12-valve design, and a simple to service top-end
  • HX or Keel Cooling configurations / Seawater or Jacket Water Aftercooled
  • The 6CTA 8.3 leverages a simple mechanical designed fuel injection system along with a base engine that can be rebuilt using common tools
The Cummins 6CTA 8.3 Marine Engine Story

The Cummins marine version of the 6CTA 8.3 has evolved through many versions and horsepower ratings since it was released in the early 1990’s (about 24 years ago) as a 6CTA 8.3M-1 “300C”, but all... Read More

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