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Genuine CCEC Cummins QSM11-G2 G-Drive Engine Supplier
The Cummins QSM11-G2 is a heavy-duty electronic diesel engine developed for industrial generator sets operating in demanding standby and continuous power environments. Manufactured by Chongqing Cummins Engine Company (CCEC), this 10.8L inline six-cylinder engine is widely used in 50Hz generator systems requiring stable performance, fuel efficiency and long operating life.
Compared with older mechanical diesel engines, the QSM11-G2 adopts an electronically controlled fuel system that improves load response and combustion efficiency. This makes the engine suitable for hospitals, telecom base stations, commercial buildings, mining projects and data center backup systems where voltage stability and fast recovery are important.
HekoPower supplies genuine Cummins QSM11-G2 generator drive engines for OEM genset assembly, replacement projects and international industrial power applications. In addition to complete engine assemblies, matching maintenance parts and technical support are available for long-term operation.
Tech Specs of Cummins QSM11 G2
General Engine Data
Engine Model: Cummins QSM11-G2
Type: 6 Cylinders in Line, 4 Stroke Diesel
Displacement: 10.8 L
Bore * Stroke: 125 * 147
Net Weight: 1007 Kg
Overall Dimension: 1306mm*914mm*1280mm
Key Performance Data
Rated Power/Standby Output(1500 rpm): 292 kW/391HP, 321 kW/430HP
Rated Power/Standby Output(1800 rpm): 319 kW/427HP, 351 kW/470HP
Rated Speed: 1500/1800 rpm
Low Idle Speed: 675-750 rpm
Fuel Consumption @ Rated Power: 69 L/hr
Continuous Output/Speed(1500 rpm): 248 kW/322HP @ 1500 rpm
Continuous Output/Speed(1800 rpm): 271 kW/363HP @ 1800 rpm
More Technical Data
Fuel System: Cummins PT Pump, Direct Injection
Aspiration: Turbocharged/Charge Air Cooled
Compression Radio: 16.3:1
Lowest Starting Temp (Without auxiliary system): -12℃
Cooling Method: Water Cooled
Governor Type: Electronic Control
Engine Coolant Volume: 9.5 L
Electrical System (Starter Motor/Alternator): 24V
Emission Standard: Euro II
10.8L Cummins QSM11 G2 Specification and Ratings
Understanding the precise performance boundaries of the QSM11-G2 ensures correct generator set pairing. This platform uses an advanced electronic unit injector (EUI) system to maintain strict engine speed governance, which is vital for electrical frequency stability.
Power Outputs at 50Hz and 60Hz Operation
The engine offers dual-frequency adaptability depending on your regional power infrastructure requirements:
- 50Hz Operation (1500RPM): Generates a prime power output of 292kW (392 bhp) and a standby rating of 322kW (432 bhp). This makes it the standard choice for an optimized Cummins QSM11-G2 1500rpm genset engine setup.
- 60Hz Operation (1800RPM): Scales up to a standby rating of 319kW (428 bhp) to match North American grid regulations.
Fuel Consumption Data and Physical Dimensions
Operational efficiency directly affects long-term ownership costs. The QSM11-G2 engine fuel consumption per hour averages 72.4 liters at 100% prime load conditions.
For structural planning, the Cummins QSM11-G2 dry weight and installation dimensions are tightly packaged for its displacement class. The base engine dry weight is approximately 984 kg (2,170 lbs). It features a length of 1,313 mm, a width of 933 mm, and a height of 1,235 mm, allowing for direct integration into standard acoustic enclosures.
Technical Comparisons: QSM11-G2 vs. Alternative G-Drive Options
Selecting the right power plant requires comparing similar models in the 11-liter category. Buyers often look at the standard QSM11 marine or construction blocks, but the G2 variant features specific modifications for generator synchronization.
Functional Variance from the Cummins 6LTAA8.9-G3
While the 8.9-liter 6LTAA platform is highly popular, it operates at its absolute mechanical limit when trying to achieve 250-300 kVA outputs. The QSM11-G2 provides a larger 10.8L displacement buffer. This larger displacement means the engine handles sudden, high-amp block loads without suffering severe RPM drop or voltage sags.
Mechanical Advantages Over Competitor 11L Platforms
Unlike older mechanical fuel pumps found on legacy 11L engines, the QSM11-G2 relies on full electronic engine protection. The engine control module (ECM) monitors oil pressure, coolant temperatures, and intake manifold pressure in real time. If a fault occurs, the system triggers a controlled derate or shutdown before catastrophic mechanical failure takes place.
Real Application Scenarios for the QSM11-G2
This heavy-duty standby power diesel engine is deployed globally across environments where power loss translates directly to financial or operational risk.
Critical Hospital Standby Power Infrastructure
Hospitals cannot tolerate a multi-second blackout. A Cummins QSM11-G2 for hospital standby power provides rapid starting capacity, reaching full operational speed and stable voltage within 10 seconds of a grid failure. Its low-vibration inline 6 configuration reduces building resonance when installed in basement or rooftop plant rooms.
QSM11-G2 Diesel Engine for Data Centers
Modern internet infrastructure requires continuous, clean electrical energy. The QSM11-G2 functions as an industrial backup generator engine QSM11-G2 setup, running seamlessly alongside uninterruptible power supply (UPS) batteries. It maintains precise frequency control to protect sensitive digital switching equipment from electrical noise.
Telecom Power Stations and Remote Mining Camps
For off-grid applications like a remote QSM11-G2 for telecom power station project, this engine functions as a reliable prime power source. It operates effectively in high-altitude environments and extreme temperature ranges, delivering stable, continuous electricity to isolated cellular towers and field camps.
Maintenance, Parts Compatibility, and Replacement Tips
Long operational lifespans require proper technical maintenance. Because the QSM11 platform has evolved over two decades, identifying correct spare components is vital during field service.
Cummins QSM11-G2 CPL Code Parts Compatibility
Never order replacement components based purely on the engine model name. You must cross-reference the Control Parts List (CPL) code stamped on the physical engine data plate. The QSM11-G2 utilizes specific CPL configurations for its pistons, turbocharger, and injectors to match its generator emission profiles. Using non-CPL matched parts alters the combustion timing, leading to excessive exhaust smoke or loss of power output.
Preventative Service Schedule for Standby Applications
For emergency power units that sit idle for long periods, execute a strict maintenance routine:
- Weekly: Check oil levels, coolant levels, and inspect for belt wear.
- Monthly: Start and run the engine under a partial load for 30 minutes to eliminate moisture buildup inside the fuel system.
- Annually: Change the fuel filters, oil filters, and replace the crankcase ventilation filter elements regardless of running hours.
Commercial Sourcing: Cummins QSM11-G2 Price and Lead Time
Navigating the global industrial engine market requires transparency. Many online listings use outdated data sheets or stock photos. HekoPower operates differently by providing verified logistics, clear provenance, and direct factory coordination.
China Wholesale Cummins QSM11-G2 Supplier Advantage
Sourcing an original Chongqing Cummins QSM11-G2 through HekoPower guarantees a verified supply chain. Competitor sites often mix domestic commercial truck variants with industrial G-Drive units. We supply the dedicated OEM Cummins QSM11-G2 engine assembly built strictly for power generation. Wholesale pricing fluctuates based on global shipping rates and raw component costs. Contact our sales office for an official commercial quote including sea freight estimates.
Delivery Packaging and Export Inspection Protocols
Industrial machinery requires secure transit protection. We pack every original CCEC QSM11-G2 for sale in a fumigated, heavy-duty wooden crate lined with anti-moisture vapor barriers.
Before loading at the port, our technicians verify the engine data plate, record the serial numbers, and inspect the factory seal. This ensures the unit arrives ready for drop-in installation without hidden transit damage.
Cummins QSM11-G Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes QSM11-G1, QSM11-G2, QSM11-G3, QSM11-G4.
Cummins QSM11-G2 Frequently Asked Questions
What is the exact coverage of the engine warranty?
Every genuine CCEC Cummins QSM11-G2 engine supplied by HekoPower carries the official international warranty. This warranty coverage is supported through the global Cummins distributor network, protecting your investment against material or factory manufacturing defects.
Is the QSM11-G2 compliant with strict regional emission laws?
The QSM11-G2 meets standard international industrial emission levels. However, if your project requires strict US EPA Tier 4 or EU Stage V compliance for urban environments, you will need to add secondary exhaust aftertreatment systems or consult with us for a newer generation model.
Can I get the technical documentation for installation planning?
Yes. We provide the complete Cummins QSM11-G2 engine specifications PDF along with the original QSM11-G2 electronic control fuel system manual. These technical materials give your engineering team precise wiring diagrams, cooling loop specifications, and mounting bolt dimensions before your engine arrives.
How does HekoPower ensure the engine is not a counterfeit assembly?
Every unit we deliver features a unique, verifiable factory serial number registered within the official Cummins global database. Buyers can verify this number directly at any local authorized Cummins service center to confirm its origin and production date.
