Cummins 4BT3.9-GM

  • Engine Type: ┬áIn-line, 4-cylinder
  • Bore x Stroke :102 x 120 mm
  • Displacement: 3.9 L
  • Compression Ratio: 17.3: 1
  • Aspiration: Turbocharged and Aftercooled
  • 12 Months Warranty
  • Technical support
  • Professional Team
  • Genuine Quality
  • Authentic wholesale

Cummins 4BT3.9-GM

Cummins 4BT3.9-GM FEATURES


The Cummins 4BT3.9-GM series marine auxiliary engine is a 4-cylinder in-line, 3.9-liter four-stroke engine with a 102mm bore and 120mm stroke. It is equipped with a BYC fuel pump. The prime power range of the DCEC 4BT3.9 series marine auxiliary engine is from 47 kW to 65 kW.

Cummins 4BT3.9-GM engines come in different configurations, each with different power output. Engines with the code “T” in the model name are turbocharged, “TA” means turbocharged with water-air intercooler, and “TAA” indicates turbocharged with air-air intercooler.

Cummins 4BT3.9-GM provides both heat exchanger cooling and radiator cooling marine auxiliary engines, primarily used for marine main generators and marine emergency generators. For emergency generator set applications, additional options are available for customers, such as a dual starter motor system, providing both electric and spring starter motors, as required by most international classifications.

All Cummins 4BT3.9-GM engines come with a dry type exhaust system, including a dry type exhaust manifold and dry type turbocharger. We offers upgrading services for water-cooled exhaust systems, modifying dry type exhaust systems into water-cooled ones, which are often requested for passenger boat projects

Hawks Parts also supply the Cummins Genuine and aftermarket parts for Cummins 4BT3.9 Series,if you have any needs,welcome to contact us.

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