Details
DCEC Cummins ISLe310-30 Complete Engine Assembly
Finding a reliable heavy-duty power plant for your commercial fleet requires more than just reading a spec sheet. At HekoPower, we supply the genuine Dongfeng Cummins ISLe310-30 engine as a complete assembly ready for installation. This 8.9L diesel engine delivers 228KW (310HP) at 2100 RPM. We back this replacement engine with a full 12-month warranty and maintain a fast lead time of around 10 business days for global shipping.
Whether you are repowering an aging fleet or dealing with a catastrophic engine failure, this Euro III ISLe310-30 replacement engine offers the exact balance of durability and fuel economy your operation needs.
Tech Specs of Cummins ISLe310-30
General Engine Data
Engine Model: Cummins ISLe310-30
Type: 6 Cylinders in Line
Displacement: 8.9 L
Bore * Stroke: 114 * 144.5
Net Weight (with flywheel & alternator): 706 Kg
Overall Dimension: 1147mm*767mm*1104mm
Key Performance Data
Rated Power: 228 kW/310 HP
Rated Speed: 2100 rpm
Idle Speed: 600-800 rpm
Fuel Consumption @ Rated Power: 210 g/Kw.h
Max Continuous Running Altitude: 4500 m
Torque/Rated Speed: 1037 N.m @ 2100 rpm
Max. Torque/Speed: 1200 N.m @ 1000-1700 rpm
Max. No-load Governed Speed: 2330 rpm
More Technical Data
Certification: Euro III
Aspiration: Turbocharged & Charge Air Cooled
Fuel System: Bosch Common rial (CCR)/ECM Governor
Compression Radio: 16.6:1
Starting System: Electrical Starting Motor 24V(750A)
Lowest Starting Temp Without auxiliary system: -12℃/-33℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 11.1 L
Real-World Application Scenarios
The Cummins ISLe310-30 engine for heavy-duty trucks and buses is engineered specifically for vehicles operating under high-stress conditions. We frequently supply this exact assembly to transit authorities running 12-meter intercity coaches and logistics companies managing 25 to 35-ton rigid trucks.
In a heavy-duty truck application, the 310-horsepower rating provides the necessary grunt for regional distribution routes that involve moderate inclines. For bus applications, this Cummins L-series engine provides smooth, continuous power delivery. This ensures passenger comfort while maintaining strict timetable schedules, even when running full air-conditioning systems in hot climates.
Technical Performance and Torque Characteristics
Understanding the ISLe310-30 8.9L Cummins engine torque curve and performance is critical for fleet managers. This turbocharged aftercooled engine produces peak torque at low RPMs. This low-end torque translates directly into better drivability. Drivers do not have to constantly shift gears when navigating urban traffic or climbing steady highway gradients.
The design relies on the highly efficient Cummins ISLe310-30 common rail fuel system. By maintaining extreme fuel pressures regardless of engine speed, the common rail setup atomizes fuel perfectly. This results in excellent Cummins ISLe310-30 fuel consumption rates compared to older mechanical injection systems. It also guarantees reliable cold-weather starting, a common challenge for heavy equipment operating in northern territories.
Engine Specifications Breakdown
The core of this Cummins 8.9L diesel engine is its structural rigidity. The wet-liner block design ensures optimal heat dissipation during long hauls. Furthermore, the robust valve train and heavy-duty camshaft are manufactured to withstand thousands of hours of commercial use before requiring major overhauls.
Comparing the ISLe310-30 to Other L-Series Options
Many buyers ask us why they should buy the Cummins ISLe310-30 diesel engine instead of the 290HP or 340HP variants. This distinction is vital for getting the most out of your investment.
If your trucks operate primarily on flat highways with lighter volume-based cargo, the 290HP model might save a fraction on initial costs. However, if your routes involve hilly terrain or max-capacity payloads, the 290HP engine will be overworked. This leads to higher fuel consumption and premature wear.
Conversely, the 340HP or 375HP versions are excellent for extreme heavy hauling. But for standard regional freight or passenger buses, that extra horsepower is largely wasted and decreases your overall fuel efficiency. The DCEC ISLe310-30 engine is the "sweet spot" of the Cummins 8.9L family. It offers enough power to prevent lugging on hills while keeping operational fuel costs strictly in check for mid-weight applications.
Common Misconceptions About the Euro III Platform
A frequent misunderstanding in the commercial vehicle industry is that Euro III engines are obsolete technology. This is entirely false for many global regions.
In fact, the Euro III ISLe310-30 replacement engine is highly sought after in export markets across Africa, South America, and parts of Asia. The primary reason is fuel quality tolerance. Modern Euro V and Euro VI engines require ultra-low sulfur diesel and complex exhaust aftertreatment systems like DEF (AdBlue) and DPFs. If a truck operates in a region where fuel quality is inconsistent, these modern emission systems will constantly trigger fault codes and force the truck into "limp mode."
The Euro III Dongfeng Cummins commercial vehicle engine avoids this fragility. It provides modern electronic injection efficiency without the delicate, sensor-heavy exhaust systems that cause downtime in developing infrastructure regions.
Essential Maintenance and Replacement Tips
Maximizing the lifespan of your Cummins engine for heavy duty vehicles comes down to strict adherence to fluid schedules and filtration quality. HekoPower always advises fleet mechanics to consult the official Cummins ISLe310-30 maintenance manual for precise intervals, but a few core practices stand out.
Fuel System Care
DCEC Cummins ISLe310-30 fuel system and CCR maintenance is your top priority. The high-pressure common rail system is incredibly reliable, but it is highly sensitive to water and particulate matter. You must use genuine, OEM-grade fuel filters and drain the water separator daily. Bypassing cheap filters will inevitably score the injectors, leading to costly replacements.
Cooling System Maintenance
Because this is a turbocharged aftercooled engine, managing heat is critical. Coolant should be tested for proper chemical balance, not just freeze protection. Depleted coolant additives will lead to cylinder liner pitting, a preventable issue that can destroy an otherwise healthy engine block.
Replacement Best Practices
When installing your new Cummins ISLe310-30 complete engine assembly, always clean the entire chassis fuel system before priming the new engine. Installing a brand-new engine but pumping contaminated fuel from an old, dirty tank will instantly void your efforts.
Global Export and HekoPower Guarantees
As a premier China Cummins ISLe310-30 engine exporter, HekoPower understands that machine downtime costs you money by the hour. We maintain stock specifically to minimize your wait.
When you find this Cummins ISLe310-30 engine for sale through our channels, you are dealing directly with seasoned professionals. We handle the heavy lifting of international logistics. We offer in-stock ISLe310-30 Cummins engine global shipping, ensuring the crated assembly arrives safely at your port or facility. Payment is flexible, accepting T/T, L/C, and Western Union to accommodate your corporate purchasing structures.
DCEC ISDe Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes ISLe270-30, ISLe290-30, ISLe300-30, ISLe310-30, ISLe325-30, ISLe340-30, ISLe350-30, ISLe375-30.
Frequently Asked Questions (FAQ)
What is included in a complete engine assembly?
Our Cummins ISLe310-30 complete engine assembly is fully dressed. It includes the cylinder block, head, fuel pump, injectors, turbocharger, air compressor, and ECM. It is ready for drop-in installation, saving your mechanics dozens of hours compared to rebuilding a bare block.
How do I get the current Cummins ISLe310-30 engine price?
Because global freight rates and currency exchange values fluctuate, we provide custom quotes rather than static list prices. Contact the HekoPower sales team at sales@hekopower.com with your destination port, and we will return a comprehensive price quote within 24 hours.
Are these genuine parts?
Yes. We supply the genuine Dongfeng Cummins ISLe310-30 engine. You receive the authentic durability and factory testing that the DCEC joint venture is globally recognized for.
Can this engine replace an older mechanical engine?
Yes, but it requires electrical integration. Because the ISLe310-30 features an electronic control module (ECM) for its common rail system, upgrading an older fully mechanical truck will require wiring harness adaptations and an electronic throttle pedal. Our team can advise on the feasibility of your specific repower project.
