Yunnei 2 Series Engine
Powering Reliable Diesel Generator Sets
Yunnei 2 Series Engine2 Series Overview
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Compact & Efficient Design
Optimized for small to medium-sized generator set applications.
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18kW - 38kW Power Range
Ideal for small businesses, schools, hospitals, and construction sites.
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Robust Performance
Features high reliability, low fuel consumption, and excellent adaptability to extreme conditions.
Yunnei 2 Series Diesel Engine
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German FEV Technology
Innovative engineering for superior performance
Extreme Adaptability
Proven reliability in harsh environments
High Reliability
Built to last with robust components
Fuel Efficiency
Optimized combustion for lower costs
Low Noise & Vibration
Smooth operation for enhanced comfort
Emission Compliance
Emission Compliance Meets global environmental regulations
Yunnei 2 Series Engine German FEV Technology
Based on German FEV technology, featuring single-cylinder four-valve, hydraulic tappets, and double overhead camshafts (DOHC).
Advanced combustion technology ensures efficient and clean power delivery.
Optimized for performance and reliability in various operating conditions.
Engine Internal Structure (DOHC & Valves)
Yunnei 2 Series Engine Strong Adaptability to Extreme Conditions
Tested and calibrated in FEV's plateau laboratory and environmental chamber for high temperature, cold, and plateau conditions.
Ensures reliable operation in harsh environments.
Ideal for applications in diverse geographical locations.
Engine operation test in plateau environment
Yunnei 2 Series Engine High Reliability & Durability
2000-hour durability test ensures long service life.
Uses first-class domestic components and Italian COMAU production lines for strict quality control.
Proven reliability through extensive market validation.
Yunnei Engine Production Line Quality Inspection
Yunnei 2 Series EngineExcellent Fuel Efficiency
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Precise Fuel Delivery
Advanced electronically controlled high-pressure common rail fuel injection system for accuracy.
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Optimized Combustion
Optimized combustion process ensures low fuel consumption and reduced operating costs.
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Cost Efficiency
Helps to significantly reduce fuel expenses for users over the long term.
High-pressure common rail fuel injection system
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Model DEF20 Series Overview:A high-performance engine designed for efficiency and reliability, featuring a compact 2.0L displacement and superior fuel economy for industrial applications.
YUNNEI POWER | High Performance Industrial Engines DEF20 Series
Power Range: 18-38kW
Displacement: 2.0L
Features: Compact, reliable, ideal for small to medium-sized generator sets.
Application: Small businesses, schools, hospitals, and construction sites.
Extensive Service Network
A nationwide network of service centers and authorized dealers.
Fast Response
24/7 customer service and quick maintenance support.
Spare Parts Supply
Adequate inventory of genuine parts for timely replacement.
Technical Training
Comprehensive training for operators and maintenance personnel.
CUMMINS
PERKINS
DEUTZ
MITSUBISHI
YANMAR
YANGDONG
RICARDO
YUCHAI
WEICHAI
DOOSAN
BAUDAUIN
SHANGCHAI
YUNNEI
ISUZU



