| Customization: | Available |
|---|---|
| After-sales Service: | Overseas Third-Party Support Available |
| Warranty: | 1 Year or 1500 Running Hours Which Come First |
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Audited Supplier Audited by an independent third-party inspection agency
Key Advantages
Engine Block Design: Incorporates large oil passages to ensure adequate lubrication, thereby enhancing engine durability and reliability.
| Series | Model | Rated Output kW |
Rated Rev.r/min |
Overload Output kW |
Overload Rev.r/min |
No.of Cyl. | Bore mm | Stroke mm |
Remarks |
| YCD6Q33C6 | YCD6Q33C6-400 | 265 | 2400 | 295 | 2500 | 6 | 108 | 135 | Main Engine |
| YCD6Q33C6 | YCD6Q33C6-350 | 230 | 2400 | 255 | 2500 | 6 | 108 | 135 | Main Engine |
| YCD6Q33C6 | YCD6Q33C6-300 | 200 | 2400 | 220 | 2500 | 6 | 108 | 135 | Main Engine |
| YCD6Q33C6 | YCD6Q33C6-280 | 190 | 1500 | 210 | 1500 | 6 | 108 | 135 | Aux. Engine |
| YCD6Q33C6(V75) Main Technical Parameters | ||
| NO. | Items | Technical Parameters |
| 1 | Model | YCD6Q33C6-400 |
| 2 | Type | Vertical, in-line,water-cooled, four-stroke |
| 3 | Intake way | Turbo-charged & inter-cooled |
| 4 | No. of cylinders | 6 |
| 5 | Displacement (L) | 7.42 |
| 6 | No. of valves per cylinder | 2 |
| 7 | Combustion Chamber Type | Direct Injection |
| 8 | Cylinder type | Dry type |
| 9 | Related power/speed kW/r/min | 265(360hp)/2400 |
| 10 | Overload power/speed kW/r/min | 295(400hp)/2500 |
| 11 | Standard point fuel consumption rate g/kWh | ≤230 |
| 12 | Oil consumption rate g/kWh | ≤1.5 |
| 13 | Steady-state speed regulation rate % | ≤10 |
| 14 | Transient speed regulation rate % | ≤12 |
| 15 | Speed fluctuation rate % | ≤1 |
| 16 | Minimum no-load speed (idle speed) r/min | 625±25 |
| 17 | Cooling water temperature °C | 75-95 |
| 18 | Oil Temperature °C | 85-125 |
| 19 | Oil Pressure MPa | Idle: ≥0.1,Other Speeds:0.25-0.6 |
| 20 | Weight kg | ≤800 |
| 21 | Dimensions (L×W×H, mm) | 1450×650×960 |
V25 SERIES Displacement: 2.5L
Number of Cylinders - Bore × Stroke: 4-89 × 100 mm
Valves per Cylinder: 2 valves, turbocharged with intercooling
Dimensions (L×W×H): 730 × 630 × 660 mm
Dry Weight: 300 kg
Power Range: 70-91 kW
Speed Range: 1500-3500 rpm
Fuel System: Electronically controlled high-pressure common rail
Engine Advantages:
Shares the same platform as China National VI emission-compliant truck engines, ensuring higher design standards.
Compact overall dimensions for flexible installation.
Market Positioning:
Designed for 6~8 meter vessels such as leisure fishing boats, official boats, patrol boats, and similar applications.
| Series | Model | Related | Standby | No. of Cylinders- | Intake Way | Fuel system | Net Weight (kg) |
L×W×H (mm) |
certificate | Application | ||
| Bore×Stroke | ||||||||||||
| kW(Ps) | r/min | kW(Ps) | r/min | (mm) | ||||||||
| V25 | YCD4V33C6-105 | 70(95) | 3000 | 77(105) | 3100 | 4-89×100 | turbocharged & intercooled |
Electronically controlled common rail | 300 | 730×630×660 | CCS | Maine Engine |
| YCD4V33C6-135 | 91(125) | 3400 | 100(135) | 3500 | 730×630×660 | CCS | Maine Engine | |||||
| YCD4V33C6-75 | 50(68) | 1500 | 55(75) | 1500 | 730×630×660 | CCS | Auxiliary generator | |||||
| 4FA | YC4FA130L-C20 | 95(130) | 3100 | 104.5(140) | 3200 | 4-96×103 | turbocharged & intercooled |
Electronically controlled common rail |
380 | 828×663×734 | CCS | Maine Engine |
| YC4FA150L-C20 | 110(150) | 3100 | 121(165) | 3200 | 828×663×734 | CCS | Maine Engine | |||||
| V31 | YCD4A33C6-180 | 120(165) | 3000 | 132(180) | 3100 | 4-96×107 | turbocharged & intercooled |
Electronically controlled common rail |
420 | 971×696×818 | CCS | Maine Engine |
| YCD4A33C6-200 | 135(185) | 3400 | 150(200) | 3500 | 971×696×818 | CCS | Maine Engine | |||||
| YCD4A33C6-105 | 70(95) | 1500 | 77(105) | 1500 | 971×696×818 | CCS | Auxiliary generator | |||||
| V42 | YCD4D33C6-250 | 168(230) | 3000 | 185(250) | 3100 | 4-105×120 | turbocharged & intercooled |
Electronically controlled common rail |
500 | 830×660×850 | CCS | Maine Engine |
| YCD4D33C6-140 | 95(130) | 1500 | 105(140) | 1500 | 830×660×850 | CCS | Auxiliary generator | |||||
| V46 | YCD4C33C6-300 | 205(278) | 2900 | 220(300) | 3000 | 4-108×125 | turbocharged & intercooled |
Electronically controlled common rail |
590 | 980×926×871 | CCS | Maine Engine |
| YCD4C33C6-180 | 120(160) | 1500 | 132(180) | 1500 | 980×926×871 | CCS | Auxiliary generator | |||||
| 6A | YC6A280L-C22 | 206(280) | 2500 | 227(310) | 2580 | 6-108×132 | turbocharged & intercooled |
Electronically controlled common rail |
780 | 1510×869×975 | CCS | Maine Engine |
| YC6A155L-C22 | 112(155) | 1500 | 123.2(170) | 1500 | 1510×869×975 | CCS | Auxiliary generator | |||||
| YC6A200L-C22 | 145(200) | 1500 | 159.5(220) | 1500 | 1510×869×975 | CCS | Auxiliary generator | |||||
| V75 | YCD6Q33C6-400 | 265(360) | 2400 | 295(400) | 2500 | 6-108×135 | turbocharged & intercooled |
Electronically controlled common rail |
800 | 1382×795×964 | CCS | Maine Engine |
| YCD6Q33C6-280 | 190(258) | 1500 | 210(285) | 1500 | 1382×795×964 | CCS | Auxiliary generator | |||||
| 6L | YC6L300L-C20 | 219(300) | 2200 | 240.9(330) | 2266 | 6-113×140 | turbocharged & intercooled |
Electronically controlled common rail |
900 | 1512×985×997 | CCS | Maine Engine |
| YC6L320L-C20 | 235(320) | 2200 | 258(350) | 2266 | 1512×985×997 | CCS | Maine Engine | |||||
| YC6L365L-C20 | 267(365 | 2200 | 293.7(400) | 2270 | 1512×985×997 | CCS | Maine Engine | |||||
| 6MK | YC6MK450L-C20 | 331(450) | 2100 | 364.1(495) | 2168 | 6-123×145 | turbocharged & intercooled |
Electronically controlled common rail |
1200 | 1702×1007×1103 | CCS | Maine Engine |
| 6MJ | YC6MJ500L-C20 | 368(500) | 2100 | 404.8(550) | 2168 | 6-131×145 | turbocharged & intercooled |
Electronically controlled common rail |
1210 | 1702×1005×1063 | CCS | Maine Engine |
| YC6MJ550L-C20 | 405(550) | 2100 | 445.5(605 | 2168 | 1702×1005×1063 | CCS | Maine Engine | |||||
| YC6MJ700L-C20 | 515(700MC | 2300 | / | / | 1567×1015×1097 | CCS | Maine Engine | |||||
| YC6MJ750L-C20 | 552(750)ID | 2400 | / | / | 1567×1015×1097 | CCS | Maine Engine | |||||
| YC6MJ800L-C20 | 588(800)HP | 2400 | / | / | 1567×1015×1097 | CCS | Maine Engine | |||||
| 6K12 | YC6K500L-C20 | 334(455) | 2035 | 367(500) | 2100 | 6-129×155 | turbocharged & intercooled |
Electronically controlled common rail |
1500 | 1815×950×1180 | CCS | Maine Engine |
| YC6K550L-C20 | 368(500) | 2035 | 404(550) | 2100 | 1815×950×1180 | CCS | Maine Engine | |||||
| YC6K600L-C20 | 401(545) | 2035 | 441(600) | 2100 | 1815×950×1180 | CCS | Maine Engine | |||||
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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