Details
Cummins M11-C250 Industrial Diesel Engine: The Powerhouse for Heavy Construction
The Cummins M11-C250 Construction Engine is a legendary 10.8L 6-cylinder inline engine designed to deliver 184kW (250HP) of reliable power. As a specialized HekoPower Cummins M11-C250 offering, we provide the CCEC original M11-C250 engine assembly, optimized for the most demanding industrial environments. Whether you are seeking a new M11-C250 engine for replacement or building new machinery, this direct-injection, turbo-charged powerhouse is the industry standard for durability.
Tech Specs of Cummins M11-C250
General Engine Data
Engine Model: Cummins M11-C250
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: 184 kW/250HP
Rated Speed: 2100 rpm
Max Torque/Speed: 1146 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
Fuel Consumption & Efficiency Analysis
Fuel efficiency is a critical factor for industrial buyers. The Cummins M11-C250 fuel consumption per hour is approximately 64.4 L/hr under rated conditions, depending on load and working environment.
Fuel Efficiency Advantages
- Optimised PT fuel system ensures precise fuel delivery
- STC combustion improves thermal efficiency
- Lower fuel consumption compared to older mechanical engines
Fuel Optimisation Tips
- Maintain proper injector calibration
- Use high-quality diesel fuel
- Perform regular air filter maintenance
Application: Where is the M11-C250 Used?
Unlike generic engines, the M11-C250 construction machinery engine is specifically tuned for high-torque, low-RPM tasks.
Mining and Earthmoving
The M11 series is a preferred replacement Cummins engine for mine dump trucks. Its robust build allows it to handle the dust and vibration of open-pit mines. As a Cummins M11 engine for mining machinery, it provides the necessary "lugging" power to move heavy loads up steep gradients.
Construction and Lifting
The M11-C250 engine for crane and construction equipment is found in major brands like XCMG and Sany. Furthermore, as a Cummins M11-C250 engine for excavator use, it provides the hydraulic pressure needed for deep digging without stalling.
High-Altitude Performance
A unique feature of this model is its stability in thin air. The M11-C250 engine for high-altitude 3048m operations ensures that construction projects in mountainous regions do not suffer from power loss.
Engine Comparison: M11-C250 vs. Other Models
Choosing the right engine requires a clear comparison of performance curves.
M11-C250 vs. M11-C225 Performance Comparison
While both share the 10.8L block, the C250 offers a significant torque advantage for heavy-duty lifting. The C225 is often used for lighter industrial pumps, whereas the C250 is the standard for mobile machinery.
M11-C250 vs. M11-C300
The C300 provides more top-end power, but the M11-C250 1146Nm torque profile is often more fuel-efficient for equipment that operates primarily in the mid-RPM range.
Cummins M11 vs. ISM Engine Differences
The M11 is the mechanical predecessor to the ISM. While the ISM uses electronic injection (ECM), the M11-C250 PT fuel system is preferred in many export markets because it is easier to repair in the field without complex diagnostic computers.
Maintenance Guide and Troubleshooting
To ensure your original M11-C250 engine supplier warranty remains valid, follow these maintenance protocols.
M11-C250 PT Fuel System Troubleshooting
If you experience rough idling or power loss, the first check should be the PT (Pressure-Time) pump. Common issues include:
- Air in the fuel line: Check all connections.
- Clogged injectors: Ensure you are using clean diesel.
- STC Valve issues: The Step Timing Control (STC) is vital for cold starts.
Common Problems of Cummins M11 Engine
While durable, users should watch for cam follower wear and cooling system scaling. The 10.8L M11-C250 water-cooled engine requires high-quality coolant to prevent cavitation on the cylinder liners.
Logistics: Weight, Dimensions, and Lead Time
For our international buyers, logistics are a key concern.
- Dimensions: Roughly 1300mm x 900mm x 1100mm.
- Weight: The Cummins M11-C250 weight and dimensions for shipping require a reinforced wooden crate, typically weighing around 1000kg (dry).
- Lead Time: HekoPower maintains a M11-C250 engine 15 business days lead time for standard orders.
Why Choose HekoPower as Your Original M11-C250 Engine Supplier?
At HekoPower, we specialize in wholesale M11-C250 diesel engine distribution. Every CCEC M11-C250 complete engine assembly comes with an original M11-C250 engine 12-month warranty. We don't just sell engines; we provide technical support for M11-C250 engine for Dongfeng truck repowering and industrial applications.
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.
FAQ – Cummins M11-C250 Diesel Engine
What is the fuel consumption of M11-C250?
Approximately 64.4 L/hr under rated conditions.
Is the M11-C250 suitable for high-altitude use?
Yes, it can operate efficiently up to 3048 meters.
What equipment uses this engine?
Excavators, cranes, mining trucks, and heavy-duty transport vehicles.
Can I buy the M11-C250 engine directly from HekoPower?
Yes, HekoPower offers wholesale supply and global shipping.
