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Introduction of Cummins DCEC QSB5.9 Diesel Engine

September 1, 2022

Cummins QSB5.9 Diesel Engine
Cummins DCEC QSB5.9
engine for construction machinery
Type In-line six-cylinder, water-cooled, four-stroke, electronically controlled high-pressure direct injection
Bore x Stroke (mm): 102 x 120
Displacement (liters): 5.9
Intake method: Turbocharger & intercooling
Maximum power (hp/kW): 210/154
Maximum torque (N m): 820
Electronic control system: ECM
Fuel system: High pressure common rail system
Emissions: Country III/EU Stage IIIA
Dry weight: (kg) 453
L×W×H: (mm) 1015×725×990

Cummins DCEC QSB5.9 engine advantages
• Advanced design and sophisticated manufacturing, adapt to a variety of harsh working conditions, high-strength, heavy-duty work ability
• The integrated design of the cylinder block and cylinder head prevents the occurrence of water leakage and oil leakage of the engine. The number of parts is about 40% less than that of other similar engines, and the failure rate is greatly reduced
• Adopt forged steel camshaft and crankshaft, high-strength cylinder block design, many parts are cast on the cylinder block, high rigidity, strong high pressure resistance, good reliability and longer service life
• Cylinder bore adopts platform mesh honing design, perfect geometric structure effectively prevents oil leakage, and adopts advanced technology such as new piston ring assembly and sealing gasket crimping molding to reduce oil consumption
• Adopt Holset supercharger with integral wastegate, low-speed response and dynamic performance
• Three-stage fuel filtration ensures balanced particle dispersion levels, protecting major fuel system components and maximizing engine life
• The electronic control system can intelligently switch the working mode according to the environment and operating conditions, and has the functions of self-diagnosis, alarm and remote monitoring
• Mature intelligent electronic control technology improves the overall performance of the engine, and the engine specifications can be customized according to application requirements

Cummins DCEC QSB5.9 engine spectrum
Engine Model Emission Standard Rated Power kW/rpm Maximum Torque N.m/rpm Number of Cylinders Displacement L Intake Mode
QSB5.9-C130-30 Country III/EU StageIIIA 97@2200 650@1500 6 5.9 Turbocharger & intercooler
QSB5.9-C150-31 Country III/EU StageIIIA 113@2000 690@1500 6 5.9 Turbocharger & intercooler
QSB5.9-C160-30 Country III/EU StageIIIA 119@2200 720@1500 6 5.9 Turbocharger & intercooler
QSB5.9-C170-30 Country III/EU StageIIIA 125@2200 750@1500 6 5.9 Turbocharger & intercooler
QSB5.9-C180-31 Country III/EU StageIIIA 132@2400 800@1500 6 5.9 Turbocharger & intercooler
QSB5.9-C180-33 Country III/EU StageIIIA 133@2000 800@1500 6 5.9 Turbocharger & intercooler
QSB5.9-C180-34 Country III/EU StageIIIA 133@2200 770@1400 6 5.9 Turbocharger & intercooler
QSB5.9-C190-31 Country III/EU StageIIIA 142@2200 800@1500 6 5.9 Turbocharger & intercooler
QSB5.9-C210-30 Country III/EU StageIIIA 154@2200 820@1500 6 5.9 Turbocharger & intercooler

Cummins DCEC QSB5.9 engine for power generation
Type In-line six-cylinder, water-cooled, four-stroke, electronically controlled high-pressure direct injection
Bore x Stroke (mm): 102 x 120
Displacement (liters): 5.9
Intake method: Turbocharger & intercooling
Maximum power (hp/kW): 210/154
Maximum torque (N m): 820
Electronic control system: ECM
Fuel system: High pressure common rail system
Emissions: Country III/EU Stage IIIA
Dry weight: (kg) 453
L×W×H: (mm) 1015×725×990

Cummins DCEC QSB5.9 engine advantages
• Advanced design and sophisticated manufacturing, adapt to a variety of harsh working conditions, high-strength, heavy-duty work ability
• The integrated design of the cylinder block and cylinder head prevents the occurrence of water leakage and oil leakage of the engine. The number of parts is about 40% less than that of other similar engines, and the failure rate is greatly reduced
• Adopt forged steel camshaft and crankshaft, high-strength cylinder block design, many parts are cast on the cylinder block, high rigidity, strong high pressure resistance, good reliability and longer service life
• Cylinder bore adopts platform mesh honing design, perfect geometric structure effectively prevents oil leakage, and adopts advanced technology such as new piston ring assembly and sealing gasket crimping molding to reduce oil consumption
• Adopt Holset supercharger with integral wastegate, low-speed response and dynamic performance
• Three-stage fuel filtration ensures balanced particle dispersion levels, protecting major fuel system components and maximizing engine life
• The electronic control system can intelligently switch the working mode according to the environment and operating conditions, and has the functions of self-diagnosis, alarm and remote monitoring
• Mature intelligent electronic control technology improves the overall performance of the engine, and the engine specifications can be customized according to application requirements

Cummins DCEC QSB5.9 engine spectrum
Engine Model Rated Power kW/rpm Reserve Power/RPM kW/rpm Number of Cylinders Displacement L Governor Type
QSB5.9-G3 120@1500 N/A 6 5.9     132@1500 N/A 6 5.9   Electronic control
QSB5.9-G2 96@1500 N/A 6 5.9      106@1500 N/A 6 5.9    Electronic control

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