320S Marine Diesel Engine
320S Series marine diesel engine is a medium-speed, four-stroke marine propulsion engine developed by Guangzhou Diesel Engine Factory (GDF).
Featuring a cylinder bore of 320 mm and a piston stroke of 370 mm, the 320S series provides a power range from 1103 kW to 2427 kW, offering enhanced output and improved performance compared with the standard 320 series.
The engine is available in 6-cylinder and 8-cylinder configurations, designed for high efficiency, strong load capability and stable operation under harsh marine conditions. It is widely used in tugboats, fishing vessels, dredgers, Ro-Ro vessels, container ships, bulk carriers and naval vessels. All models comply with IMO Tier II emission requirements and can be supplied with classification society certificates including CCS, BV, DNV, LR, ABS and NK upon request.
GDF 230S Series Medium-Speed Marine Diesel Engine Key Features
- Medium-speed marine diesel engine
- Power range: 1103-2427 kW
- 6-cylinder and 8-cylinder configurations
- Bore × Stroke: 320 × 370 mm
- Four-stroke, turbocharged and charge-air cooled design
- High efficiency and strong load capability
- Enhanced output compared with standard 320 series
- Stable operation under marine conditions
- Compact structure and reliable performance
- Easy maintenance and operation
- Suitable for marine propulsion applications
- IMO Tier II compliant
- Available with CCS, BV, DNV, LR, ABS and NK certificates
| Engine Model | Rated Power | Rated Speed | Emission Standard |
| 6320ZCd-2S | 1103 kW | 428 r/min | IMO Tier II |
| 6320ZCd-4S | 1324 kW | 500 r/min | IMO Tier II |
| 6320ZCd-6ES | 1470 kW | 525 r/min | IMO Tier II |
| 6320ZCd-6S | 1545 kW | 550 r/min | IMO Tier II |
| 6320ZCd-8S | 1655 kW | 600 r/min | IMO Tier II |
| 6320ZCd-10S | 1765 kW | 625 r/min | IMO Tier II |
| 8320ZCd-4S | 1765 kW | 500 r/min | IMO Tier II |
| 8320ZCd-6S | 2060 kW | 550 r/min | IMO Tier II |
| 8320ZCd-8S | 2206 kW | 600 r/min | IMO Tier II |
| 8320ZCd-10S | 2427 kW | 625 r/min | IMO Tier II |