Details
Cummins QSK19-G5 G-Drive Engine | Heavy Duty Industrial Power Supply
The Cummins QSK19-G5 is an inline 6-cylinder, 19-liter displacement engine engineered specifically for heavy-duty generator applications. Generating up to 608 kW prime power and a robust 669 kW standby rating at 1500 RPM (50Hz), this powerhouse serves as the core of industrial backup systems globally.
As an established international engine supplier, HekoPower provides complete, factory-fresh CCEC Cummins QSK19-G5 diesel engines directly to generator manufacturers, fleet engineering firms, and industrial project buyers. By sourcing through authorized channels, we ensure every unit maintains full manufacturing integrity, ready to handle severe transient load responses.
Tech Specs of QSK19-G5
General Engine Data
Engine Model: Cummins QSK19-G5
Type: 6 Cylinders in Line
Displacement: 19 L
Bore * Stroke: 159 * 159
Net Weight: 1900 Kg
Overall Dimension: 1695mm*985mm*1723mm
Key Performance Data
Rated Power/Standby Output: 608 kW/815HP, 669 kW/897HP
Rated Speed: 1800 rpm
Low Idle Speed: 700-800 rpm
Fuel Consumption: 40.5 g/kWh
More Technical Data
Fuel System: Cummins Direct Injection MCRS
Aspiration: Turbocharged
Cooling Method: Air-air charge cooled
Electrical System (Starter Motor/Alternator): 24V
Engineering Profile: QSK19-G5 MCRS Industrial Diesel Engine
Understanding the underlying technology of the Cummins Quantum series generator engine helps procurement managers realize its long-term operational savings. Unlike older mechanical platforms, this engine relies on a fully integrated electronic architectural framework.
QSK19-G5 MCRS Fuel System Specifications
The defining technical leap for the QSK19-G5 is its Modular Common Rail Fuel System (MCRS). Competitor catalogs often confuse this with traditional unit injectors, but the modular common rail design maintains high injection pressures regardless of engine operating speed.
By scaling up injection pressure to 1600 bar across a shared high-pressure fuel rail, the MCRS setup achieves ultra-fine fuel atomization. This precision yields cleaner combustion, lower thermal stress on internal cylinder components, and quiet operational profiles.
Turbocharged Charge Air Cooled QSK19-G5 Mechanics
To maximize power density, this 19L Cummins generator drive engine for continuous power utilizes an air-to-air charge cooled configuration alongside an advanced single-stage turbocharger.
By forcing cooled, compressed air directly into the combustion chamber, air-to-air cooling allows for ideal air-fuel ratios. This mechanism reduces exhaust gas temperatures (EGT) and addresses the strict performance profiles required for EPA Tier 2 QSK19-G5 generator engine emission compliances.
Technical Comparisons: Cummins KTA19 vs. QSK19-G5
Engineering teams upgrading aging infrastructure frequently compare legacy mechanical units to modern electronic drives. Evaluating the difference between Cummins KTA19 and QSK19-G5 models reveals significant design evolutions.
Fuel Delivery and Electronic Controls
The older KTA19 relies heavily on a mechanical PT (Pressure-Time) fuel system. It uses mechanical governors to regulate fuel delivery across changing loads.
Conversely, the QSK19-G5 utilizes CM850 electronic management to control the MCRS components. This difference allows the QSK19-G5 to respond to major block loads within milliseconds, a critical requirement for computing environments where frequency drops can corrupt data.
Real-World Emissions and Power Density
The KTA19 operates with a traditional 12-valve head design, which limits airflow efficiency and increases raw soot emissions. The QSK19-G5 utilizes an upgraded 24-valve system alongside electronic timing to maximize clean energy output. The electronic platform produces significantly more kilowatt-output per liter of displacement while easily meeting modern international emissions mandates.
Real Application Scenarios for the QSK19-G5 Engine
The physical structural layout of the QSK19-G5 makes it a versatile prime mover for varying high-demand power systems. It excels in environments where power disruptions carry financial or safety liabilities.
QSK19-G5 Diesel Engine for Data Center Generators
Hyperscale data facilities require instantaneous, clean energy during unexpected utility failures. The QSK19-G5 heavy duty standby power engine meets Uptime Institute standards for Tier III and Tier IV data centers. Its rapid starting ability allows it to stabilize a 750kVA Cummins diesel engine generator package within ten seconds of utility failure.
QSK19-G5 Diesel Engine for Mining Generators
Remote mining excavations subject engines to extreme airborne dust, vibration, and low-quality fuel. The iron-cast cylinder blocks and robust components of the QSK19-G5 industrial generator engine excel in these conditions. It serves reliably as a primary power source for massive extraction equipment and remote encampment ventilation setups.
Cummins QSK19-G5 Remote Power Station Engine
Off-grid municipalities and remote communication towers need continuous operation without constant maintenance access. This 19-liter powertrain can run continuously for extended schedules. It features a deep-sump oil pan that prolongs lubricant life and minimizes routine site maintenance trips.
Maintenance, Overhaul, and Parts Procurement Tips
Long operational lifespans depend directly on strict adherence to factory maintenance schedules. As an industrial equipment supplier, HekoPower keeps essential components on hand to prevent operational downtime.
QSK19-G5 Maintenance and Overhaul Cycle
To ensure a Cummins QSK19-G5 long service life engine, engineering teams must monitor service intervals closely:
- Perform engine oil, oil filter, and primary fuel filter changes every 250 operating hours.
- Conduct cooling system coolant flushing and valve lash adjustments every 1,500 hours.
- Plan for major mid-life top-end overhauls around 10,000 to 12,000 hours.
- Execute full in-frame mechanical overhauls at roughly 20,000 hours to renew liners, pistons, and main bearings.
Cummins QSK19-G5 CPL 3866 Replacement Parts
Sourcing specific components requires identifying exact Critical Parts List (CPL) designations. For the QSK19-G5 configuration matching CPL 3866, using generic components can lead to premature failure. HekoPower stocks genuine CPL 3866 items, including calibrated high-pressure MCRS fuel pumps, turbocharger rebuild kits, and targeted gasket sets to protect your engine investments.
Supply Chain Excellence: Sourcing Your QSK19-G5 from HekoPower
Finding an OEM QSK19-G5 generator engine supplier requires verifying source logistics, quality checks, and export capabilities. HekoPower streamlines industrial purchases through direct, efficient processes.
QSK19-G5 Engine Stock Supplier Logistics
We keep physical inventory in strategically located export warehouses to drastically cut standard order lead times. Every single Cummins powertrain goes through extensive static tests and pressure verifications before being secured for final transit.
Export Cummins QSK19-G5 Diesel Engine Services
Shipping a 1,900 kg heavy-duty engine requires specialized logistical support. We manage international freight details, provide certified seaworthy timber packing crates, and generate proper customs clearance documentation for major ports worldwide. This systematic process ensures your wholesale Cummins QSK19-G5 engine arrives safely and completely intact.
Cummins QSK-G Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes QSNT-G, QSK19-G4, QSK19-G5, QSKTAA19-G3, QSK38-G1, QSK38-G2, QSK38-G3, QSK38-G4, QSK38-G5, QSK50-G2, QSK50-G3, QSK50-G4, QSK50-G6, QSK50-G7.
Frequently Asked Questions Regarding the Cummins QSK19-G5
What is the Cummins QSK19-G5 fuel consumption per hour?
Fuel consumption scales directly with operational load conditions at 1500 RPM. Under standard configurations, the engine uses roughly 147 liters per hour at 100% standby capacity. Consumption drops to approximately 132 liters per hour at 100% prime power load, and around 101 liters per hour when running at 75% load capacity.
What are the exact air-to-air charge cooled QSK19-G5 engine dimensions?
The standard dry configuration for this 19-liter engine features a physical length of approximately 1655 mm, a width of 1004 mm, and a height of 1590 mm. The total dry weight of the engine block package sits at roughly 1900 kg, which must be planned for when engineering base frames and generator enclosures.
Why is HekoPower considered a preferred genuine Cummins QSK19-G5 supplier?
HekoPower focuses on supplying authentic commercial components while minimizing middleman markups. We assist clients through every phase of the equipment lifecycle, providing competitive upfront Cummins QSK19-G5 industrial engine price points, verifiable origin paperwork, and technical support.
