Details
Original CCEC Cummins M11-C290 Engine Assembly (216kW / 290HP)
The Chongqing Cummins M11-C290 is a mechanical industrial diesel engine engineered specifically for high-stress heavy equipment. Delivering 216kW (290HP) at 2100 RPM, this inline 6-cylinder, 10.8L power pack is globally recognized for its sustained durability in harsh environments. Identified by its configuration number D353005CX03 and CPL 2119, it serves as an ideal replacement engine for aging construction machinery. As a dedicated engine supplier, HekoPower provides this genuine CCEC Cummins M11-C290 engine assembly complete with the original PT fuel system, Holset turbocharger, and a highly efficient water-air intercooler.
Tech Specs of Cummins M11-C290
General Engine Data
Engine Model: Cummins M11-C290
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: 216 kW/290HP
Rated Speed: 2100 rpm
Max Torque/Speed: 1329 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: 12.9 L
Real Application Scenarios for the M11-C290
Unlike light-duty commercial vehicle engines, the Cummins 290HP construction engine is cast specifically for continuous, high-load operations. It provides an impressive 1329 Nm of peak torque at just 1300 RPM. This low-end torque makes it exceptionally well-suited for earthmoving and lifting machinery where stalling is not an option.
Heavy tracked excavators frequently utilize the M11-C290. The engine provides the sustained hydraulic pump drive power necessary for continuous trenching and rock breaking. When an operator engages multiple hydraulic cylinders simultaneously—such as lifting the boom while curling the bucket—the engine experiences severe transient load spikes. The massive 1329 Nm torque reserve of the M11-C290 powers through these spikes seamlessly. Consequently, sourcing an M11-C290 engine for heavy excavator replacement projects is a common requirement for large mining and construction fleets.
Wheel loaders also rely on this 290HP diesel engine to maintain bucket breakout force while navigating steep, muddy inclines under full load. Beyond earthmoving, the M11-C290 is a standard power choice for heavy-lift crawler cranes and rough terrain cranes. The mechanical diesel engine design ensures consistent RPM holds during critical, heavy-tonnage lifting operations.
Drilling rigs and mining equipment operators prefer the M11-C290 due to its lack of complex electronics. In deep mining pits or remote drilling sites, electronic control modules are highly susceptible to vibration, dust, and moisture failures. A purely mechanical direct injection diesel engine offers superior uptime in these unforgiving environments. We also frequently supply this unit as a robust pump drive engine or standalone industrial power unit for remote rock crushing plants.
Technical Comparisons and Mechanical Advantages
When evaluating heavy equipment engine replacements, engineers often weigh the M11-C290 against other options in the 10-liter to 14-liter class. Compared to the older, larger 14-liter NTA855, the M11-C290 offers a significantly higher power-to-weight ratio. It delivers comparable functional horsepower but drops the overall dry weight to approximately 940 kg. This lighter block reduces the gross vehicle weight of mobile cranes and loaders, improving their maneuverability and reducing ground pressure on soft job sites.
Within the M11 series itself, the M11-C290 sits in the highly versatile upper mid-range of power output. Compared to the lower-tier M11-C250, the C290 model utilizes a differently calibrated PT direct injection pump and an optimized Holset turbocharger to generate an additional 40 horsepower. It handles heavier workloads without sacrificing the baseline fuel economy inherent to the 10.8L block architecture.
When discussing operating costs, the Cummins M11 10.8L 216kW fuel consumption rate is highly competitive. At maximum rated power, it consumes roughly 64.4 liters per hour. However, when operating in its optimal torque band around 1700 RPM, the specific fuel consumption drops significantly. This efficiency is why many fleet managers prefer the M11-C290 over larger displacement engines that burn excess fuel while idling or performing low-load tasks.
A defining technical feature of this engine is the PT-STC fuel system. STC stands for Step Timing Control. Unlike standard mechanical injection, STC automatically advances the fuel injection timing under low-load and cold starting conditions. This results in smoother idling, drastically reduced white smoke on startup, and better cold-weather performance. Once the engine reaches working oil pressure under a heavy load, the timing retards to standard operation. This gives operators the rugged reliability of a mechanical fuel injection system with the refined operational characteristics usually reserved for modern electronic engines.
Furthermore, the M11-C290 utilizes a turbocharged water-air intercooler system. Water-air intercooling provides a much more compact engine package compared to massive air-air intercoolers. It allows the engine to fit into the tighter engine compartments of modern construction equipment while still effectively lowering intake manifold temperatures for dense, oxygen-rich combustion.
Common Misconceptions Regarding the M11-C290
Many operators hold misconceptions about integrating mechanical engines into heavy equipment. A frequent mistake is assuming that an older mechanical engine design is inherently less efficient than a modern electronic engine. While emissions profiles differ, the mechanical combustion cycle of the M11-C290 is highly optimized. Because the PT fuel pump operates at extremely high injection pressures, it ensures thorough fuel atomization and complete combustion, maximizing power output per drop of diesel.
Another common misconception involves the STC system. Mechanics unfamiliar with Cummins construction engines often believe the Step Timing Control valve is a complex, failure-prone electronic sensor. In reality, the STC valve is entirely hydraulically actuated. It relies strictly on engine oil pressure to adjust the timing, meaning there are no wires, sensors, or ECMs to short out when working in wet or muddy conditions.
Finally, buyers often assume any M11 engine block will bolt directly into their machinery. This is false. While the core blocks are similar, you must verify flywheel housing compatibility, oil pan sump locations (front versus rear sumps), and accessory drive locations before purchasing an M11-C290 complete engine replacement.
OEM M11-C290 Engine Parts and Maintenance Guide
Proper maintenance of the CCEC M11-C290 PT fuel pump and Holset turbocharger is the absolute key to engine longevity. The PT fuel system relies entirely on the diesel fuel itself for lubrication. Never run the engine entirely out of fuel, and strictly adhere to OEM fuel filter replacement intervals. Water contamination is the primary cause of mechanical injector failure, so maintaining your daily water separator checks is mandatory.
For internal lubrication, the mechanical M11-C290 operates best on high-quality 15W-40 heavy-duty diesel engine oil meeting API CF-4 or CH-4 specifications. In extreme cold environments, switching to a 10W-30 viscosity ensures proper flow during cold starts, protecting the crank bearings before the oil reaches optimal operating temperature.
Regarding the Holset turbocharger, the most critical maintenance tip is allowing the engine to idle for three to five minutes before shutdown. The M11-C290 operates at extremely high exhaust temperatures under load. Shutting the engine down immediately stops the flow of lubricating oil to the turbocharger bearings while they are still spinning at tens of thousands of RPMs. This causes oil coking and rapid, premature bearing failure.
When planning a replacement, logistics matter just as much as mechanics. As an experienced engine supplier, HekoPower ensures highly secure export crating. The typical M11-C290 shipping weight is approximately 1100 kg when packaged. Standard M11-C290 engine packing dimensions usually measure around 1700 mm by 1200 mm by 1300 mm. Buyers should verify their receiving facility has a forklift rated for at least 1.5 tons to unload the crate safely. Our standard engine lead time is roughly 15 business days for factory-fresh assemblies, allowing fleet managers to schedule their equipment downtime accurately.
Explore the M-Series Lineup
As an established engine supplier, HekoPower provides complete power solutions across the entire M-Series range. We understand that fleet operators have diverse machinery demands depending on their specific job sites. If the M11-C290 does not perfectly match your torque curve or horsepower requirements, we offer several proven alternatives within this robust engine family. We can help you identify the exact CPL and configuration required to get your equipment back to work.
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.
Frequently Asked Questions (FAQs)
How do I verify my engine serial number identification?
Your engine serial number (ESN) and CPL (Control Parts List) number are stamped on the engine data plate, typically located on the rocker lever housing or gear housing. For the standard M11-C290, you should look for CPL 2119. Providing this CPL to HekoPower ensures absolute replacement engine compatibility.
What is included in the Cummins M11-C290 engine assembly?
A complete M11-C290 engine assembly includes the cylinder block, cylinder head, crankshaft, camshaft, pistons, Holset turbocharger, PT fuel pump, injectors, water pump, lube oil pump, and water-air intercooler. It is a drop-in ready power pack, minus external accessories like the external radiator or heavy-duty air cleaner housing, which are usually reused from your existing machine.
How do I get a Cummins M11-C290 replacement engine price?
Because global shipping logistics, optional accessory configurations, and current factory allocations fluctuate, we do not list static prices. To get a precise M11-C290 diesel engine quotation, contact our sales team directly with your delivery port or address. We will provide a comprehensive quote including the genuine CCEC engine wholesale cost and all accurate freight charges.
Can this engine replace an older electronic model?
While physically possible to mount, downgrading from an electronic engine to a mechanical M11-C290 requires extensive rewiring of the machinery's dashboard and throttle controls. We primarily recommend the M11-C290 as a direct replacement for existing mechanical M11 engines in legacy construction equipment to ensure a seamless swap.
