
Cummins-Type 4BTA3.9-C100 Diesel Engine (100 HP) for Construction
The 4BTA3.9-C100 is a compact inline 4-cylinder, turbocharged water-cooled diesel engine (Cummins B-series…

Product images are illustrative marketing renders created to showcase the engine and its selling points; actual product appearance may vary.
The 6CTA8.3-M205 is a proven inline 6-cylinder, turbocharged and aftercooled water-cooled marine diesel engine (Cummins C-series marine type) for inboard vessel propulsion.
The 6CTA8.3-M205 is a proven inline 6-cylinder, turbocharged and aftercooled water-cooled marine diesel engine (Cummins C-series marine type) for inboard vessel propulsion. With an 8.3 L displacement and 151 kW output, it delivers strong, dependable power for workboats, fishing vessels, and leisure craft, using sea-water pump and heat-exchanger cooling.
| Model | 6CTA8.3-M205 |
|---|---|
| Engine type | Inline 6-cylinder, 4-stroke, turbocharged & aftercooled, water-cooled marine diesel |
| Rated power / speed | 151 kW @ 2328 rpm |
| Displacement | 8.3 L |
| Bore × Stroke | 114 × 135 mm |
| Emission standard | Euro 2 |
| Net weight | 1000 kg |
| Dimensions (L×W×H) | 1560 × 900 × 1400 mm |
| Application | Marine (inboard) |
| Warranty | 1 year |
| MOQ | 1 set |
The 6CTA8.3-M205 combines a rugged inline-6 cast-iron block with a turbocharger and aftercooler for cooler, denser intake air, more power, and better fuel efficiency. Marine cooling is handled by a corrosion-resistant sea-water pump and top-mounted heat exchanger for stable operating temperatures during continuous duty, while a precise injection pump with high-pressure fuel lines delivers reliable power. The direct-injection, corrosion-resistant marine build ensures long service life at sea.
Inboard propulsion for workboats, fishing vessels, commercial marine craft, and leisure craft (yachts, sport-fishing boats, cruisers).
See it in use: Motor Yacht Repower with Twin Cummins Marine Engines.
Available with marine transmission/gearbox options to suit specific vessel requirements. Please contact us with your application details.
Inboard propulsion for workboats, fishing vessels, commercial marine craft, and leisure craft (yachts, sport-fishing boats, cruisers).
The Cummins-Type 6CTA8.3-M205 Marine Diesel Engine is supplied with a 1 year warranty. The exact warranty terms are confirmed on your quotation.
The minimum order quantity for the Cummins-Type 6CTA8.3-M205 Marine Diesel Engine is 1 set. Mixed orders with other MARS products are welcome.
Available with marine transmission/gearbox options to suit specific vessel requirements.Please contact us with your application details.
Each unit is checked against your order before dispatch, with a written outgoing-inspection report and video (machinery is run-tested). Goods are packed in export wooden-box or crate packing and shipped FOB or CIF from Shanghai; stock items ship promptly and built-to-order items typically within about 20 working days.
Send an inquiry with the required configuration, quantity and destination port using the form on this page, email inquiry@marine-equipment-supply.com or WhatsApp +86 176 2154 1688. We reply with a matched recommendation and quotation within 24 hours on working days.
Tell us the configuration, quantity and destination port. We reply within 24 hours on working days.

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