
Original SDEC SC7H190.1G3 Diesel Engine for Construction (138 kW)
The SDEC SC7H190.1G3 is a heavy-duty inline 6-cylinder, turbocharged and aftercooled water-cooled diesel…

Product images are illustrative marketing renders created to showcase the engine and its selling points; actual product appearance may vary.
The SDEC D683ZLCA9B is a heavy-duty inline 6-cylinder, turbocharged water-cooled marine diesel engine for inboard vessel propulsion.Delivering 264 kW at 2430 rpm from an 8.3 L displacement, it provides strong, reliable power for work boats, passenger vessels, and commercial craft in demanding marine conditions.
The SDEC D683ZLCA9B is a heavy-duty inline 6-cylinder, turbocharged water-cooled marine diesel engine for inboard vessel propulsion. Delivering 264 kW at 2430 rpm from an 8.3 L displacement, it provides strong, reliable power for work boats, passenger vessels, and commercial craft in demanding marine conditions.
| Model | D683ZLCA9B |
|---|---|
| Engine type | Inline 6-cylinder, 4-stroke, turbocharged, water-cooled marine diesel |
| Rated power / speed | 264 kW @ 2430 rpm |
| Displacement | 8.3 L |
| Bore × Stroke | 114 × 135 mm |
| Engine position | Inboard |
| Dimensions (L×W×H) | 1420 × 837 × 1093 mm |
| Application | Marine ship |
| Warranty | 1 year |
| MOQ | 1 |
The D683ZLCA9B combines a robust inline-6 block with a turbocharger for stronger breathing and higher output. Marine cooling is handled by a top-mounted seawater-cooled heat exchanger for stable operating temperatures during continuous duty, while the side injection pump, high-pressure fuel lines, and belt-driven front accessory drive (alternator, water pump) ensure precise fuel delivery and reliable power at sea.
Inboard propulsion for work boats, passenger vessels, and commercial marine craft.
Available with marine transmission/gearbox options to suit specific vessel requirements. Please contact us with your application details.
Inboard propulsion for work boats, passenger vessels, and commercial marine craft.
The SDEC D683ZLCA9B 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 SDEC D683ZLCA9B Marine Diesel Engine is 1. 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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