
SDEC D683 (6CTA8.3-M220) Marine Diesel Engine (250-360 HP)
The SDEC D683 is a heavy-duty inline 6-cylinder, turbocharged and inter-cooled marine diesel engine built…

Product images are illustrative marketing renders created to showcase the engine and its selling points; actual product appearance may vary.
The SDEC SC7H190.1G3 is a heavy-duty inline 6-cylinder, turbocharged and aftercooled water-cooled diesel engine built for construction machinery.With a compact 6.5 L displacement and 138 kW output, it delivers strong, reliable power and long service life for excavators, loaders, and other demanding equipment.
The SDEC SC7H190.1G3 is a heavy-duty inline 6-cylinder, turbocharged and aftercooled water-cooled diesel engine built for construction machinery. With a compact 6.5 L displacement and 138 kW output, it delivers strong, reliable power and long service life for excavators, loaders, and other demanding equipment.
| Model | SC7H190.1G3 |
|---|---|
| Engine type | Inline 6-cylinder, 4-stroke, turbocharged & aftercooled, water-cooled diesel |
| Rated power | 138 kW |
| Displacement | 6.5 L |
| Bore × Stroke | 105 × 124 mm |
| Fuel system | Pressure-Time (PT) |
| Net weight | 600 kg |
| Dimensions (L×W×H) | 1330 × 789 × 1024 mm |
| Starting system | Electric start |
| Application | Construction machinery |
| Warranty | 1 year or 1500 running hours (whichever comes first) |
| MOQ | 1 |
The SC7H190 combines a compact inline-6 block with a turbocharger and aftercooler for cooler, denser intake air, higher power output, and improved combustion efficiency. A Pressure-Time (PT) fuel system with a precise injection pump and high-pressure lines delivers accurate fuel for maximum efficiency, while a durable front pulley and belt drive powers the accessory system reliably. The water-cooled design maintains stable temperatures for continuous heavy-duty operation.
Construction machinery including excavators, wheel loaders, and other heavy-duty equipment.
Available configurations can be discussed to suit specific machine requirements. Please contact us with your application details.
Construction machinery including excavators, wheel loaders, and other heavy-duty equipment.
The Original SDEC SC7H190.1G3 Diesel Engine for Construction is supplied with a 1 year or 1500 running hours (whichever comes first) warranty. The exact warranty terms are confirmed on your quotation.
The minimum order quantity for the Original SDEC SC7H190.1G3 Diesel Engine for Construction is 1. Mixed orders with other MARS products are welcome.
Available configurations can be discussed to suit specific machine 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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