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Factory Supplier 75kw Water Cooled Power Genset Marine Generator for Boat 
YC4A Marine diesel genset
30kW~100kW Power range
Adapted to 30~100(kW) marine gensets
| Name | Main Technical Parameters | Name | Main Technical Parameters | ||||||||||
| Genset model | CCFJ30J-W4 | CCFJ50J-W3 | CCFJ64J-W2 | Genset model | CCFJ75J-W2 | CCFJ90J-W1 | CCFJ100J-W3 | ||||||
| Power supply type | Three-phase AC | Power supply type | Three-phase AC | ||||||||||
| Rated power (kw) | 30 | 50 | 64 | Rated power (kw) | 75 | 90 | 100 | ||||||
| Rated voltage (V) | 400 | 400 | 400 | Rated voltage (V) | 400 | 400 | 400 | ||||||
| Rated current (A) | 54.1 | 62.5 | 115.5 | Rated current (A) | 135.3 | 162.4 | 180.4 | ||||||
| Rated frequency (Hz) | 50 | Rated frequency (Hz) | 50 | ||||||||||
| Rated power factor | 0.8(Lag) | Rated power factor | 0.8(Lag) | ||||||||||
| COSφ | COSφ | ||||||||||||
| Rated speed (r/min) | 1500 | Rated speed (r/min) | 1500 | ||||||||||
| Absolute value of steady-state voltage regulation (%) | ≤0.5 | Absolute value of steady-state voltage regulation (%) | ≤0.5 | ||||||||||
| steady-state voltage deviation (%) | ≤±2.5 | steady-state voltage deviation (%) | ≤±2.5 | ||||||||||
| Transient voltage deviation % | Sudden unloading 60% Rated current | ≤+20 | Transient voltage deviation % | Sudden unloading 60% Rated current | ≤+20 | ||||||||
| Sudden load 60% rated current | ≤-15 | Sudden load 60% rated current | ≤-15 | ||||||||||
| Voltage stabilization time (s) | ≤1.5 | Voltage stabilization time (s) | ≤1.5 | ||||||||||
| Sinusoidal distortion rate of voltage waveform(%) | ≤5 | Sinusoidal distortion rate of voltage waveform(%) | ≤5 | ||||||||||
| Voltage fluctuation rate (%) | ≤±1 | Voltage fluctuation rate (%) | ≤±1 | ||||||||||
| Insensitivity (%) | ≤0.5 | Insensitivity (%) | ≤0.5 | ||||||||||
| Speed fluctuation rate (%) | ≤0.5 | Speed fluctuation rate (%) | ≤0.5 | ||||||||||
| Steady-state speed regulation (%) | ≤5 | Steady-state speed regulation (%) | ≤5 | ||||||||||
| Transient speed difference(%) | Sudden load 0-50% | ≤10 | Transient speed difference(%) | Sudden load 0-50% | ≤10 | ||||||||
| Sudden load 50-100% | ≤10 | Sudden load 50-100% | ≤10 | ||||||||||
| Sudden unloading 100%-0 | ≤10 | Sudden unloading 100%-0 | ≤10 | ||||||||||
| Transient speed regulation stabilization time (s) | ≤5 | Transient speed regulation stabilization time (s) | ≤5 | ||||||||||
| Fuel consumption rate under rated conditions (g/(kW·h)) | ≤230 | Fuel consumption rate under rated conditions (g/(kW·h)) | ≤230 | ||||||||||
| Specific oil consumption (g/(kW·h)) | ≤0.35 | Specific oil consumption (g/(kW·h)) | ≤0.3 | ||||||||||
| Fuel grade | Summer: 0#, 10# light diesel of GB 19147-2016 premium grade or first grade | Fuel grade | Summer: 0#, 10# light diesel of GB 19147-2016 premium grade or first grade | ||||||||||
| Winter: 0#, -10#, -20# and -35# light diesel of GB 19147-2016 premium grade or first grade (selected based on the ambient temperature) | Winter: 0#, -10#, -20# and -35# light diesel of GB 19147-2016 premium grade or first grade (selected based on the ambient temperature) | ||||||||||||
| Oil grade | Summer: 40CF, 15W/40CF | Oil grade | Summer: 40CF, 15W/40CF | ||||||||||
| Winter: 30CD, 10W/30CD or other diesel engine oil that is not inferior to Grade CF in GB 11122-2006 and suitable for the environment | Winter: 30CD, 10W/30CD or other diesel engine oil that is not inferior to Grade CF in GB 11122-2006 and suitable for the environment | ||||||||||||
| Start mode | Electric start | Start mode | Electric start | ||||||||||
| Cooling mode | Internal circulation:Closed circulating water cooling,External circulation,Open water cooling | Cooling mod | Internal circulation:Closed circulating water cooling,External circulation,Open water cooling | ||||||||||
| Connection mode of motor winding | Three-phase four-wire | Connection mode of motor winding | Three-phase four-wire | ||||||||||
| Operating mode of genset | Continuous | Operating mode of genset | Continuous | ||||||||||
| Operating environment conditions | Ambient temperature | 45°C | Operating environment conditions | Ambient temperature | 45°C | ||||||||
| Outboard water temperature | 32°C | Outboard water temperature | 32°C | ||||||||||
| Inclination angle | Hell: 15°; roll: 22.5°; trim: 7.5°; pitch: 10° | Inclination angle | Hell: 15°; roll: 22.5°; trim: 7.5°; pitch: 10° | ||||||||||
| Temperature rise | Thermal classification A | 55°C | Temperature rise | Thermal classification A | 55°C | ||||||||
| Measurement method R | Measurement method R | ||||||||||||
| Short circuit | The alternator and its excitation system can maintain at least 3 times the rated current for at least 2s under steady-state short-circuit conditions. | Short circuit | The alternator and its excitation system can maintain at least 3 times the rated current for at least 2s under steady-state short-circuit conditions. | ||||||||||
| Overload | 50% overcurrent; 2 min | Overload | 50% overcurrent; 2 min | ||||||||||
| Fuel engine model | YC4A55Z-C22 | YC4A85Z-C22 | YC4A110L-C22 | Fuel engine model | YC4A120L-C22 | YC4A145L-C22 | YC4A165L-C22 | ||||||
| Rated power of diesel engine (kW) | 40 | 63 | 80 | Rated power of diesel engine (kW) | 90 | 106 | 120 | ||||||
| Alternator model | SB-HW4.D-30 | SB-HW4.D-50 | SB-HW4.D-64 | Alternator model | SB-HW4.D-75 | SB-HW4.D-90 | SB-HW4.D-100 | ||||||
| (SAE1-14) | (SAE1-14) | (SAE1-14) | (SAE2-11.5) | (SAE2-11.5) | (SAE2-11.5) | ||||||||
| Rated power of motor (kW) | 30 | 50 | 64 | Rated power of motor (kW) | 75 | 90 | 100 | ||||||
| Genset weight (kg) | 850 | 920 | 995 | Genset weight (kg) | 1036 | 1078 | 1103 | ||||||
| Dimension (L × W × H) mm | 1557×850×989 | 1672×850×989 | 1749×850×989 | Dimension (L × W × H) mm | 1750×865×1044 | 1848×865×1044 | 1848×865×1044 | ||||||
| Note: Dimension (L*W*H) may vary with the configuration. | |||||||||||||
1.Integrated Sales & Technical Support
Full-cycle solutions for marine power propulsion systems.
2.Innovation-Driven Propulsion Systems
Designing efficient, eco-friendly, and user-centric propulsion technologies.
3.Customized Power Solutions
Tailored marine and land-based power plant designs by dedicated engineering teams.
4.Authorized Partnerships
Exclusive distributor for globally recognized brands.
5. End-to-End Service Excellence
Our highly skilled service teams, equipped with cutting-edge resources, deliver end-to-end excellence-from pre-sale technical consultation to seamless sales integration and porfessional after-sales support.
About Guangxi Yuchai Machinery Co., Ltd.
Founded in 1992, Guangxi Yuchai Machinery Co., Ltd. (Yuchai) is the first Chinese-foreign joint venture in China's domestic industry to be listed overseas. Headquartered in Yulin, Guangxi Zhuang Autonomous Region, Yuchai operates 11 subsidiaries with production bases strategically positioned across Guangxi, Jiangsu, Anhui, and Shandong.
As a leading internal combustion engine manufacturing base in China, Yuchai offers a comprehensive product portfolio with broad industrial applications. Boasting an annual production capacity of 600,000 engines and sales revenue exceeding CNY 20 billion, we are dedicated to delivering high-performance solutions to global markets.
Our Mission: "Creating Customer Value, Empowering Better Lives"
Yuchai collaborates closely with partners to share market opportunities, technological advancements, and product innovations. By fostering synergy among OEMs, dealers, service providers, and suppliers, we drive mutual growth and achieve sustainable win-win outcomes.Efficient and Energy-Saving Yuchai Marine Engines
Yuchai's marine engines deliver power outputs ranging from 25 kW to 2,940 kW (35 HP to 4,000 HP), fully compliant with China's Tier I and Tier II Marine Emission Standards. Certified by the world's leading classification societies, these engines are renowned for exceptional durability, reliability, and fuel efficiency. They are widely deployed across diverse marine applications, including transport vessels, engineering ships, fishing boats, passenger ferries, commercial craft, and luxury yachts.
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