SDEC 6 Series Engine
Powering Reliable Diesel Generator Sets
SDEC 6 Series Engine6 Series Overview
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Versatile Powerhouse
A versatile diesel engine range designed for medium to large-scale generator set applications, adapting to diverse operational needs.
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Broad Power Spectrum
Covers136kW to 660kW, ideal for industrial facilities, data centers, and marine scenarios.
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Superior Performance
Engineered for high reliability, low fuel consumption, and excellent durability in demanding environments.
High Reliability & Durability
Excellent Fuel Efficiency
Powerful Performance
Compact Design & Low Noise
Easy Maintenance
Compliant with Emission Standards
SDEC 6 Series EngineHigh Reliability & Durability
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Premium Construction
High-strength alloy cast iron body, forged steel crankshaft, and integral cylinder head ensure exceptional durability.
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Long Service Life
Overhaul period exceeds12,000 hours, with an average time between failures (MTBF) of over4,000 hours.
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Rigorous Validation
Rigorous testing ensures reliable performance in harsh environments, meeting the most demanding industry standards.
SDEC 6 Series EngineExcellent Fuel Efficiency
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Advanced Fuel Injection
Advanced electronically controlled high-pressure common rail fuel injection system for precise fuel delivery.
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Optimized Combustion
Optimized combustion chamber design for complete combustion and low fuel consumption (≤195 g/kW·h).
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Cost Efficiency
Helps to significantly reduce operating costs.
SDEC 6 Series EnginePowerful Performance
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High Power Density
High power density and ample power reserve ensure strong and stable power output.
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Low-Speed Torque
Excellent low-speed torque performance, suitable for heavy-duty and high-load applications.
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Fast Response
Fast acceleration and response, meeting the demands of various working conditions.
SDEC 6 Series EngineCompact Design & Low Noise
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Modular design, compact structure, light weight, and small size for easy installation and arrangement.
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High-precision noise-reducing gears and vibration-damping diaphragms ensure low noise and vibration levels.
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Noise level is lower than 98 dB, providing a comfortable operating environment.
SDEC 6 Series EngineTechnical Specifications
| Model | Prime Power (kW) | Displacement (L) | Bore x Stroke (mm) | Fuel Cons (g/kW·h) |
| 6HTAA6.5-P21 | 136 | 6.5 | 105 x 124 | ≤ 205 |
| 6ETAA11.8-G31 | 300 | 11.8 | 128 x 153 | ≤ 210 |
| 6ETAA12.8-G310 | 400 | 12.8 | 135 x 155 | ≤ 195 |
| 6KTAA25-G31 | 660 | 25.18 | 170 x 185 | ≤ 200 |
High Power Output
Fuel Efficiency
Robust Design
SDEC 6 Series Engine 6HTAA6.5 Series
SDEC 6 Series Engine 6ETAA11.8 Series
SDEC 6 Series Engine 6ETAA12.8 Series
SDEC 6 Series Engine 6KTAA25 Series
CUMMINS
PERKINS
DEUTZ
MITSUBISHI
YANMAR
YANGDONG
RICARDO
YUCHAI
WEICHAI
DOOSAN
BAUDAUIN
SHANGCHAI
YUNNEI
ISUZU







