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YUNNEI
ISUZUYunnei 4 Series Engine
Powering Reliable Diesel Generator Sets
Yunnei 4 Series Engine4 Series Overview
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Powerful & Versatile Design
A robust range of diesel engines specifically engineered for medium to large-sized generator set applications, ensuring stable performance.
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30kW - 180kW Power Range
Ideal for critical infrastructure including large businesses, data centers, and industrial facilities requiring reliable backup power.
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Superior Performance Metrics
Boasts high reliability, exceptional fuel efficiency, and excellent adaptability to operate under extreme environmental conditions.
Yunnei 4 Series Diesel Engine Product View
German FEV Technology
Strong Power & Torque
High Reliability & Durability
Excellent Fuel Efficiency
Low Noise & Vibration
Compliant with Emission Standards
Yunnei 4 Series Engine German FEV Technology
Advanced Engine Architecture
Based on German FEV technology, featuring single-cylinder four-valve, hydraulic tappets, and double overhead camshafts (DOHC).
Efficient Combustion
Advanced combustion technology ensures efficient and clean power delivery, maximizing fuel utilization.
Performance & Reliability
Optimized design for exceptional performance output while maintaining industrial-grade reliability standards.
Engine Internal Structure: Cylinder Head & Camshaft
Yunnei 4 Series Engine Strong Power & Torque
High Torque Reserve
Features high torque reserve and strong load capacity, making it ideal for heavy-duty applications.
Turbocharged Performance
Turbocharged intercooling technology ensures powerful and responsive performance under pressure.
Reliable Workhorse
Capable of handling demanding workloads with ease, ensuring durability in harsh conditions.
Engine in heavy-duty operation scenario
Yunnei 4 Series Engine High Reliability & Durability
2000-hour Durability Test
Stringent endurance testing ensures exceptional long-term service life and performance stability.
Advanced Manufacturing
Integrates first-class domestic components with Italian COMAU production lines for precise and strict quality control.
Proven Market Reliability
Extensive real-world market validation has confirmed the engine's robustness in diverse operating conditions.
Intelligent Quality Inspection on Production Line
Yunnei 4 Series EngineExcellent Fuel Efficiency
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Advanced Injection System
Electronically controlled high-pressure common rail system ensures precise fuel delivery for optimal performance.
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Optimized Combustion
Enhanced combustion process significantly reduces fuel consumption and lowers overall operating costs.
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Cost Efficiency
Helps users achieve substantial savings on fuel expenses throughout the engine's lifecycle.
High-pressure Common Rail Fuel Injection System
Yunnei 4 Series EngineTechnical Specifications
| Model | Prime Power (kW) | Displacement (L) | Cylinder-Bore x Stroke (mm) | Fuel Consumption (g/kW·h) |
| YN4M38DBZ | 38-47 | 2.98 | 102x118 | ≤215 |
| YN4D32DB | 35-43 | 3.3 | 105x105 | ≤215 |
| YN4E38DB | 41-49 | 3.76 | 102x118 | ≤210 |
| D40TCIF | 95-147 | 4.052 | 102x124 | ≤205 |
| D43TCIF | 121-162 | 4.296 | 105x124 | ≤205 |
Key Highlights: The 4 Series engines demonstrate a balance of power (35kW to 162kW) and efficiency (≤205 g/kW·h), designed for heavy-duty industrial applications requiring reliable performance.
Yunnei 4 Series Engine YN4M Series
Power Range: 38-47kW
Displacement: 2.98L
Features: Compact, reliable, ideal for small to medium-sized generator sets.
Application: Small businesses, construction sites, and emergency backup power.
Yunnei 4 Series EngineYN4D Series
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Power Range
35-43 kW
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Displacement
3.3 L
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Features
Powerful, reliable, medium-sized
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Application
Businesses, Data Centers, Industry
Yunnei YN4D Engine Product View
Yunnei 4 Series Engine YN4E Series
Power Range: 41-49 kW
Displacement: 3.76 L
Features: High power, excellent fuel efficiency, suitable for demanding applications.
Application: Heavy-duty construction equipment, data centers, and emergency backup power.
YUNNEI POWER
Yunnei 4 Series Engine D40 Series
Power Range: 95-147kW
Displacement: 4.052L
Features: High-performance, designed for high-end applications.
Application: High-end generator sets, data centers, and commercial vehicles.
Yunnei D40 Engine Unit