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Overview of Cummins QSM11-400 Diesel Engine
As a leading genuine Cummins QSM11 engine supplier, HekoPower provides the high-performance QSM11-C400 Industrial Engine designed for the most demanding environments. The Cummins QSM11 10.8L engine is a powerhouse in the heavy-duty sector, offering a perfect balance of durability and advanced electronic control. Whether you are looking for a 400HP Cummins QSM11 engine for mining, construction, or power generation, HekoPower ensures you receive an original XCEC QSM11-400 engine backed by professional technical support.
Tech Specs of Cummins QSM11-400
General Engine Data
Engine Model: Cummins QSM11-400
Type: 6 Cylinders in Line
Displacement: 10.8 L
Bore * Stroke: 125 * 147
Overall Dimension: 1306mm*914mm*1280mm
Net Weight (with flywheel & alternator): 984 Kg
Key Performance Data
Rated Power: 298 kW/400HP
Rated Speed: 2100/1800 rpm
Max Torque/Speed(2100 RPM): 1898 N.m @ 1400 rpm
Max. Torque/Speed (1800 RPM): 1898 N.m @ 1400 rpm
Fuel Consumption @ Rated Power: 217 g/Kw.h
More Technical Data
Certification: Tier III
Aspiration: Turbocharged & Charge Air Cooled
Fuel System: Common Rail High Pressure Injection
Compression Ratio: 16.3:1
Electrical System (Starter Motor/Alternator): 12V/24V
Lowest Starting Temp Without auxiliary system: -12℃/-25℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 9.5 L
Control System: Full Electronic Control System(ECM)
Technical Superiority of the QSM11-C400 Engine with CELECT Fuel System
The heart of the QSM11 Cummins 400HP engine is its advanced CELECT fuel system. Unlike traditional mechanical engines, this ECM controlled engine optimizes fuel injection based on load and altitude, ensuring peak efficiency.
QSM11-400 Torque Curve and Fuel Consumption Data
Efficiency is critical for industrial operations. The QSM11-400 fuel consumption per kWh is among the lowest in its class. At 75% load, the engine maintains a steady fuel flow, reducing operational costs for long-term projects. With a massive peak torque of 1898 N.m, this 10.8L QSM11 400HP industrial diesel engine provides the "lugability" needed for heavy lifting and deep excavation.
Versatile Applications: From Excavators to Marine Propulsion
Cummins QSM11-400 for Excavators and Heavy Construction
This engine is the primary choice for Tier 3 equipment. It is widely used as a Cummins QSM11-400 construction engine for brands like SANY and XCMG. Its robust design allows it to thrive in high-dust environments typical of road-building sites.
QSM11-400 Common Rail Engine for Mining and Marine
For the extraction industry, the QSM11-400 common rail engine for mining offers the reliability required for 24/7 operations. Additionally, the marine propulsion engine Cummins QSM11 400HP variant provides specialized cooling systems for offshore reliability. For power standby, we also supply the 400 kW Cummins generator engine configuration, compatible with Stamford alternators.
Comparing the QSM11-400 with Other Power Units
QSM11-400 vs QSM11-375
When choosing between the QSM11-400 vs. QSM11-375 engine comparison, the 400HP version offers an 8% increase in work capacity.
- Higher power output (400HP vs 375HP)
- Improved torque for heavy-duty applications
- Better suited for mining and high-load environments
Cummins QSM11 vs ISM11
The Cummins QSM11 vs. ISM11 difference lies primarily in the application; the QSM is optimized for off-road industrial use, whereas the ISM is often found in on-highway trucks.
- QSM11: Designed for industrial & off-road applications
- ISM11: Primarily for on-road trucks
- QSM11 offers stronger low-speed torque
Maintenance and Parts: Keeping Your QSM11-400 Running
To ensure longevity, following the Cummins QSM11-400 maintenance manual is essential. We provide the full parts catalog, including the Cummins QSM11 engine control module pinout for electrical troubleshooting.
- Engine Dimensions: Length: 1300mm | Width: 950mm | Height: 1100mm.
- Weight: Approx. 984kg (dry weight).
Why Source Your Original XCEC QSM11-400 Engine from HekoPower?
As a global wholesale Cummins 400HP engine partner, HekoPower bridges the gap between high-quality manufacturing and international logistics.
- Warranty: Every HekoPower original Cummins QSM11-400 engine comes with a 12-month international warranty.
- Lead Time: We maintain a 15 business days lead time for standard configurations.
- Global Shipping: We frequently supply to the USA, Europe, and Southeast Asia.
Cummins QSM11-Construction Diesel Engine Series, original products from Xi’an Cummins Joint Venture Plant (XCEC), since 1986, 50% owned by Cummins USA, under Cummins Technical & Product Line. This series mainly includes QSM11-290, QSM11-300, QSM11-335, QSM11-350, QSM11-360, QSM11-375, QSM11-400.
