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Cummins QSM11-300 Diesel Engine: The 300HP Efficiency Leader
The Cummins QSM11-300 diesel engine is a reliable and fuel-efficient 10.8L inline 6-cylinder power unit designed for medium-duty industrial and construction applications. As part of the Cummins QSM11 series, this 300HP engine offers stable performance, low fuel consumption, and long service intervals.
At HekoPower, we supply genuine XCEC Cummins QSM11-300 engines, suitable for excavators, wheel loaders, generator sets, and agricultural machinery. Each unit is tested before shipment and supported with global export services.
Tech Specs of XCEC Cummins QSM11-300
General Engine Data
Engine Model: Cummins QSM11-300
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: 224 kW/300HP
Rated Speed: 2100 rpm
Max Torque/Speed: 1424 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 Excellence of the XCEC Cummins QSM11-300 Engine
The XCEC Cummins QSM11-300 Engine is more than just a detuned version of its larger brothers; it is optimized for longevity. By operating at a lower thermal stress level, the Tier 3 QSM11-300 224KW ECM controlled engine offers an extended mean time between overhauls (MTBO).
Common Rail High-Pressure Injection Benefits
The QSM11-300 Common Rail Engine utilizes a high-pressure injection system that ensures precise atomization. This results in Tier 3 QSM11-300 engine emission standards compliance, making it ideal for international export to regions with strict environmental regulations.
QSM11-300 Fuel Consumption Chart & Efficiency
Efficiency is where the 300HP variant shines. The QSM11-300 fuel consumption 217g/kW·h at rated power is exceptional. When reviewing the QSM11-300 fuel consumption chart at 75% and 100% load, operators will find that this engine maintains peak efficiency even when under variable loads, such as in agricultural machinery and harvesters.
Industrial Applications: From Excavators to Fire Pumps
The Cummins QSM11-300 for construction, mining, and agriculture is a versatile workhorse. Its structural rigidity allows it to handle the high vibrations associated with heavy-duty drilling and earthmoving.
Replacement Engine for SANY SY245 and XCMG Machinery
HekoPower specializes in the original XCEC Cummins QSM11-300 construction engine replacement market. It is the perfect replacement engine for SANY SY245 or XCMG QSM11-300 models. Its compact QSM11-C300 engine dimensions (1306mm x 914mm x 1280mm) allow for easy installation in medium excavators and wheel loaders.
Fire Pump Systems and Backup Generators
For stationary applications, the QSM11-300 engine for fire pump systems and backup generators provides rapid response times. The HekoPower QSM11-300 turbocharged charge air-cooled engine ensures the unit reaches full power quickly in emergency situations, even after long periods of inactivity.
Comparative Analysis: QSM11-300 vs QSM11-335
When looking to buy Cummins QSM11-300 diesel engine online, clients often ask about the QSM11-300 vs QSM11-335: power, torque, and fuel efficiency comparison. While the 335HP version offers more peak force, the 300HP model provides superior fuel economy for constant-speed applications like drilling rigs and cranes.
Why Choose HekoPower for Your QSM11-300 Sourcing?
As a reputable QSM11-300 engine supplier for OEM projects, HekoPower offers more than just hardware. We provide a complete wholesale Cummins 300HP engine solution.
- Global Warranty: Every original XCEC Cummins QSM11-300 comes with a 12-month global warranty.
- Fast Delivery: We offer a 15 business days lead time with flexible FOB shipping terms.
- Technical Documentation: We provide the Cummins QSM11-300 service manual and parts catalog PDF with every purchase to ensure your maintenance team has the right data from day one.
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.
