SDEC D683 Marine Diesel Engine (320 HP)

Overview

The SDEC D683 is an inline 6-cylinder, turbocharged water-cooled marine diesel engine built for inboard boat propulsion. Delivering 320 HP at 2200 rpm from an 8.3 L displacement, it provides strong, dependable power for workboats, fishing vessels, and commercial craft, with reliable sea-water and heat-exchanger cooling.

Key selling points

• Strong 320 HP @ 2200 rpm output for dependable marine propulsion
• Turbocharged for higher output and better fuel efficiency
• Sea-water pump & heat-exchanger cooling for stable marine operation
• Durable inline-6, 8.3 L design for smooth, reliable performance at sea

Technical specifications

Features & highlights

The D683 combines a rugged inline-6 block with a turbocharger for higher power and better fuel efficiency by compressing intake air. Marine cooling is handled by a sea-water pump and top-mounted heat exchanger for stable operating temperatures during demanding duty, while a precise injection pump with high-pressure fuel lines and a durable belt-driven front accessory system (alternator, water pump) ensure reliable power at sea.

Typical applications

Inboard propulsion for workboats, fishing vessels, and commercial marine craft.

See it in use: Fishing Trawler Repower with 320 HP Marine Diesel and Reduction Gearbox.

Customization options

Available with marine transmission/gearbox options to suit specific vessel requirements. Please contact us with your application details.

Ordering information

• MOQ: 1 unit
• Warranty: 1 year or 1500 hours
• Brand-new and genuine SDEC; lead time and packaging details available on request

Frequently asked questions