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Genuine Cummins M11-C275 Assembly: High-Torque Power Solution for Heavy Construction
The Cummins M11-C275 assembly is a proven 10.8L industrial diesel engine developed by Chongqing Cummins (CCEC) for demanding construction and mining environments. As a 275HP turbocharged and intercooled engine, it is widely used as a stable power unit solution for excavators, wheel loaders, cranes, and road construction machinery.
At HekoPower, we supply genuine Cummins M11-C275 engine assemblies with verified OEM quality, ensuring reliable performance, consistent fuel efficiency, and long service life under heavy-duty conditions.
Tech Specs of Cummins M11-C275
General Engine Data
Engine Model: Cummins M11-C275
Type: 6 Cylinders in Line
Displacement: 10.8 L
Bore * Stroke: 125 * 147
Overall Dimension: 1450mm*950mm*1010mm
Net Weight (with flywheel & alternator): 980 Kg
Key Performance Data
Rated Power: 201 kW/275HP
Rated Speed: 1800 rpm
Max Torque/Speed: 1288 N.m @ 1300 rpm
Max. No-Load Speed: 2450 rpm
Fuel Consumption @ Rated Power: 64.4 L/hr
Idle Speed: 675-750 rpm
Max. Continuous Running Altitude: 3048 m
More Technical Data
Certification: Tier 1
Aspiration: Turbocharged-Intercooled
Fuel System: Direct Injection PT Pump, STC
Compression Ratio: 16.1:1
Electrical System (Starter Motor/Alternator): 12V/24V
Lowest Starting Temp Without auxiliary system: -12℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 9.5 L
Technical Architecture: The M11-C275 PT-STC Engine Advantage
The M11 series is renowned for its durability, but the M11-C275 PT fuel system working principle is what sets it apart in the field.
Understanding the PT Fuel System & STC Technology
The Cummins M11-C275 PT-STC engine utilizes the Pressure-Time (PT) fuel system, a mechanical marvel that optimizes fuel delivery without complex electronics. Combined with Step Timing Control (STC), this 201KW M11-C275 direct injection diesel engine allows for:
- Enhanced Cold Starts: Retarded timing during start-up reduces white smoke.
- High-Load Efficiency: Advanced timing during heavy operation maximizes fuel economy and power output.
Torque Curve and Performance Metrics
The 10.8L Cummins M11-C275 construction engine delivers a staggering 1288Nm torque @ 1300RPM. This low-end torque is critical for "breakout force" in hydraulic machinery. When analyzing the Cummins M11-C275 torque curve and fuel consumption, operators find that the engine maintains a steady power band, reducing the strain on transmission systems during heavy lifts.
Primary Applications: Cummins M11-C275 Engine for Excavator and Loader
Optimized for Excavators and Hydraulic Systems
The Cummins M11-C275 engine for excavator hydraulic system integration is a popular choice for 30-40 ton machines. The M11-C275 water-cooled 6-cylinder in-line engine provides the thermal stability required to drive high-pressure hydraulic pumps for brands like Sany, Liugong, and Zoomlion.
Road Rollers, Cranes, and Wheel Loaders
Whether it’s the M11-C275 diesel engine for wheel loader power unit duty or the Cummins M11-C275 engine for road roller and crane operations, the engine’s compact dimensions (approx. 1100kg weight) make it a versatile replacement. Its ability to operate at a 3048m altitude without significant power derating makes it the preferred M11-C275 engine for mining and construction equipment in high-altitude regions.
Comparative Analysis: Choosing the Right M11 Power Rating
To help procurement managers, we address the common question: How to choose Cummins M11-C275 vs M11-C265?
M11-C275 vs M11-C265 Differences
The primary difference lies in the fuel pump calibration and turbocharger matching. While the M11-C265 offers 265HP, the Original CCEC M11-C275 275HP engine provides that extra 10HP margin necessary for peak loads in heavy-duty cycles.
M11-C275 vs M11-C300 Engine Comparison
The C300 variant pushes the 10.8L block further. However, the M11-C275 engine performance in heavy-duty conditions is often preferred for its longer lifespan and lower overhaul cost, as the internal components are under less thermal stress than the 300HP version.
Why Buy Genuine? CCEC M11-C275 vs Aftermarket
In the global market, "rebuilt" or "aftermarket" engines are common. As a genuine Cummins M11-C275 engine assembly supplier, HekoPower emphasizes the risks of non-original units.
- Materials: Genuine CCEC pistons and liners are built for 15,000+ hours. Aftermarket alternatives often fail at 5,000 hours.
- Warranty: We provide a Genuine CCEC M11-C275 engine with 12-month warranty, supported by a global service network.
- Resale Value: Equipment powered by an original Cummins engine holds significantly higher market value.
Service Intervals and Maintenance
The Cummins M11-C275 maintenance and service intervals are standardized at 500 hours for oil and filters under normal conditions. Using genuine filters prevents the PT fuel system from clogging—a common issue with low-grade fuel in mining sites.
Shipping, Weight, and Lead Times
- M11-C275 engine weight: Approx. 940kg (Dry) / 1100kg (Shipping weight with crate).
- Dimensions: Roughly 1300mm x 950mm x 1150mm. We offer Cummins M11-C275 engine assembly wholesale pricing for fleet owners and regional distributors.
Cummins M11-C Series, original products from Chongqing Cummins Engine Plant(CCEC). This series mainly includes M11-C225, M11-C245, M11-C250, M11-C265, M11-C270, M11-C275, M11-C280, M11-C290, M11-C300, M11-C310, M11-C315, M11-C320, M11-C330, M11-C335, M11-C350.
