| Customization: | Available |
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| After-sales Service: | Overseas Third-Party Support Available |
| Warranty: | 1 Year or 1500 Running Hours Which Come First |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Auto-tensioning poly-V belt pulley system with large wrap angle design ensures high reliability.
High-capacity oil pump + high-efficiency oil cooler + enlarged oil passages in engine block guarantee optimal lubrication.
Robust power output with exceptional operational stability across engine operating ranges.
Integrated intake air preheating system achieves reliable low-temperature cold start capability (-30°C certified).
Monolithic "water-cooled exhaust manifold + heat exchanger" module eliminates joint leakage risks.
Unibody "intake manifold + intercooler" module reduces airflow resistance by 18% (CAE-verified).
Market Positioning: Compatible with 12-14 meter vessels including leisure fishing boats, official craft, patrol boats, and similar marine applications.
| Model | YCD6Q33C6-300 | YCD6Q33C6-350 | YCD6Q33C6-400 |
| Displacement (L) | 7.42 | ||
| No. of cylinders - Bore x Stroke(mm) | 6-108×135 | ||
| No. of valves per cylinder | 2 | ||
| Continuous power/speed (kW(Ps)/r/min) | 200(270hp)/2400 | 230(310hp)/2400 | 268(360hp)/2400 |
| One-hour power/speed (kW(Ps)/r/min) | 220(300hp)/2500 | 255(350hp)/2500 | 295(400hp)/2500 |
| Min. specific fuel consumption (g/(kWh)) | ≤200 | ||
| Certificate | ZC,CCS,EIAPP,IMO TIER II | ||
| Overall dimensions(LxWxH) (mm) | 1282×795×964 | ||
| Net Weight (kg) | ≤760 | ||
| Product Series | V15 | V25 | V31 | V42 | V46 | V75 |
| Engine Model | YCDV1536C-100 | YCD4V33C6-135 | YCD4A33C6-220 | YCD4D33C6-250 | YCD4C33C6-300 | YCD6033C6-400 |
| Intake Way | Turbocharged & Intercooled |
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| Displacement (L) | 1.4 | 2.5 | 3.1 | 4.2 | 4.6 | 7.5 |
| Combustion Chamber Type |
Direct Injection | |||||
| Max Power/Speed (kW/r/min) |
73/4300 | 100/3500 | 165/3500 | 185/3100 | 220/3000 | 295/2500 |
| Rated Fuel Consumption Rate(g/kWh) | ≤235 | ≤210 | ≤200 | ≤200 | ≤200 | ≤200 |
| Oil Consumption Rate (g/kWh) | ≤0.35 | ≤0.9 | ≤0.9 | ≤0.9 | ≤0.9 | ≤0.9 |
| Steady-State Speed Regulation (%) | ≤10 | |||||
| Transient Speed Regulation(%) | ≤12 | |||||
| Speed Fluctuation Rate (%) | ≤1 | |||||
| Minimum Idle Speed (r/min) | 800±25 | 625±25 | 625±25 | 625±25 | 625±25 | 625±25 |
| Coolant Temperature (°C) | 75-95 | |||||
| Oil Temperature(°C) | 85-125 | |||||
| Oil Pressure (MPa) | Idle: ≥0.1 Other Speeds:0.25-0.6 |
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| Weight (kg) | ≤150 | ≤280 | ≤400 | ≤490 | ≤550 | ≤760 |
| Dimensions (L×W×H, mm) | 571×680×665 | 730×630×660 | 800×650×765 | 830×660×850 | 850×700×850 | 1160×880×1155 |
Founded in 1992, Guangxi Yuchai Machinery Co., Ltd. (Yuchai for short) is the first Chinese-foreign joint venture in the domestic industry listed abroad. Headquartered in Yulin, Guangxi Zhuang Autonomous Region, we have 11 subsidiaries and distribute our production bases in such areas as Guangxi, Jiangsu, Anhui and Shandong. As an internal combustion engine manufacturing base with a complete range of products in China and broad areas of application, we have an annual sales revenue exceeding CNY 20 billion and an annual engine output of 600,000 sets.
Driven by the mission of "realizing customer value and driving better lives", we share market, technology and product achievements and development opportunities with all partners, and coordinate with OEMs, dealers, service stations and suppliers to achieve win-win.
Q1: Are your engines genuine Yuchai/Shangchai products?
Yes! We are an authorized distributor of Yuchai and Shangchai, supplying 100% OEM engines with complete traceability.
All products include original factory warranties.
Q2: What's your payment terms?
Bulk orders: 30% deposit + 70% before shipment.
Q3: What's the lead time for engines/generators?
Standard models: 15-30 days after payment.
Customized units (e.g., voltage/frequency adjustments): 30-45 days.
Q4:Do you provide after-sales service and spare parts?
-Global technical support via WhatsApp/Email.
-10-year spare parts supply guarantee for all models.
-Local service partners for faster response.
Q5:Any quality certifications?
-Yuchai/Shangchai factory certifications.
-ISO 9001, ISO 14001, CE, SONCAP.
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