Doosan SP3 Series Engine
Powering Reliable Diesel Generator Sets
DOOSANSP3 Series Overview
-
The SP3 Series is a family of high-performance diesel engines designed specifically for generator set applications.
-
Covering a power range from 73kW to 92kW, it is suitable for various scenarios such as commercial buildings, telecommunications, and residential communities.
-
Features high power density, superior performance, energy efficiency, and reliability.
DOOSANHigh Power Density
-
Delivers higher power output in a compact size, making it ideal for space-constrained generator set applications.
-
Advanced turbocharging and combustion technology ensure maximum power extraction from a smaller engine block.
-
Optimized design for easy installation and integration into various generator set configurations.
DOOSANExcellent Fuel Efficiency
-
Advanced high-pressure common rail fuel injection system for precise fuel delivery and complete combustion.
-
Optimized combustion chamber design and variable geometry turbocharger for higher thermal efficiency.
-
Low fuel consumption rate, significantly reducing operating costs.
DOOSANHigh Reliability & Durability
-
High-strength cylinder block and forged steel crankshaft for exceptional durability and long service life.
-
Rigorous testing and validation ensure reliable performance in harsh operating conditions.
-
Excellent resistance to wear and tear, ensuring a long B10 life.
DOOSANEasy Maintenance
-
Accessible Design
Maintenance points are easily accessible with a service-friendly layout for quick inspection and repair.
-
Modular Commonality
High degree of part commonality and modular design simplifies the replacement process significantly.
-
Extended Intervals
Longer service intervals for oil and filter changes reduce overall maintenance frequency and downtime.
DOOSANTechnical Specifications
| Model | Prime Power (kW) | Displacement (L) | Cylinder-Bore x Stroke (mm) | Fuel Consumption (g/kW·h) |
| SP344CC | 73-92 | 3.4 | L4-98x113 | ≤220 |
| SP344CB | 56-74 | 3.4 | L4-98x113 | ≤225 |
| SP344CA | 40-44 | 3.4 | L4-98x113 | ≤215 |



DOOSAN SP344CC Series
DOOSAN SP344CB Series
CUMMINS
PERKINS
DEUTZ
MITSUBISHI
YANMAR
YANGDONG
RICARDO
YUCHAI
WEICHAI
DOOSAN
BAUDAUIN
SHANGCHAI
YUNNEI
ISUZU





