D Series Marine Engine
Description
The D638 series marine engine is designed for marine applications with requirements for low emission, noise, and high power output. The entire engine is compact and lightweight without sacrificing power. This series has as power range of 110kW-290kW and a speed range of 1500-2500r/min.
The D series marine engine applies to the main engine propulsion power of various high speed patrol boats, yachts, traffic boats, work boats, fishing boats, cargo boats and tugboats. It can also meet the power demands of marine generator sets and marine auxiliary power systems.
Outline dimensional drawingL: 1458mm W: 823mm H: 1028mm
Technical parameters Model | Aspiration method | Continuous power/speed kW/r/min | Overload power/speed kW/r/min | Unlimited Navigation Areas rated power/speed kW/r/min | Unlimited Navigation Areas max.power/speed kW/r/min | Min.fuel consumption g/kW.h | Oil consumption g/kW.h | Weight kg | Certificate |
D683ZLCA3B | TA | 225/2300 | 247.5/2369 | 219/2300 | 241/2369 | 215 | ≤0.4 | 800 | CCS+IMOⅡ |
D683ZLCA8B | TA | 234.5/2330 | 258/2400 | 228.5/2330 | 251/2400 | 215 | ≤0.4 | 800 | CCS+IMOⅡ |
D683ZLCA9B | TA | 264/2430 | 290/2500 | 259/2430 | 285/2500 | 220 | ≤0.4 | 800 | CCS+IMOⅡ |
Bore x stroke | Displacement | Type | Aspiration | Steady speed governing rate (%) | Idling (r/min) | Exhaust temperature (℃) | Compression ratio | Oil capacity | Application |
D683 114x135mm | 8.3L | In-line, 6-valve | Turbocharged TA-Turbocharged and intercooler | Main engine: machinery ≤10% Auxiliary engine: ≤1% | 700 | 500℃ | 16-17.3:1 | 17L | CA-main engine CF-auxiliary engine |
- The 6-hole high pressure fuel injector is combined with a w-shaped combustion chamber to optimize air-fuel mixing. Adopting an efficient fuel cooler provides economic application range in a wide power range.
- The designs of wet alloy cast iron cylinder liner, forging reinforced crankshaft, crankshaft bearing and connecting rod bearing with strong bearing capacity, water cooled exhaust manifold and electronic monitoring instrument monitored engine running are used to ensure the safe operation and minimize downtime of the engine.
- Optimized combustion characteristics, coupled with a turbocharger and intercooling technologies can reduce the pressure rise rate during combustion and result in soft and full combustion.
- High precisely machined parts enables engine operation smooth with low vibration and noise.
- With compact bore spacing, low piston compression height and integrated design of parts, all the accessories are integrated on the cylinder block, making the size greatly reduced with light weight and convenient maintenance.
- This series engine has obtained CCS Certificate of China Classification Society.
- This marine engine passed the certification of IMO emission standards of China Classification Society.
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