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Cummins ISME 420-30 Diesel Engine (10.8L 420HP) for Heavy Truck & Mining Applications
The Cummins ISME 420 30 Diesel Engine is a pinnacle of heavy-duty engineering, specifically designed for high-tonnage automotive applications. As a premier Dongfeng Cummins ISME 420-30 supplier in China, HekoPower provides the genuine DCEC ISME420 30 automotive engine, a 10.8L workhorse capable of delivering 306kW (420HP). Whether you are looking for a replacement engine for a Dongfeng Kinland ISME 420 or sourcing for a new fleet, this engine offers a robust balance of durability and advanced fuel management.
Tech Specs of Cummins ISME 420-30
General Engine Data
Engine Model: Cummins ISME 420-30
Type: 6 Cylinders in Line
Displacement: 10.8 L
Bore * Stroke: 114 * 144.5
Net Weight (with flywheel & alternator): 940 Kg
Overall Dimension: 1135mm*825mm*1159mm
Key Performance Data
Rated Power: 306 kW/420 HP
Rated Speed: 1900 rpm
Torque/Rated Speed: 1500 N.m @ 1900 rpm
Max. Torque/Speed: 2010 N.m @ 1200 rpm
More Technical Data
Certification: Euro III
Aspiration: Turbocharged & Charge Air Cooled
Fuel System: Cummins Fuel System/EMC876
Compression Radio: 16.2:1
Starting System: Electrical Starting Motor 24V(750A)
Lowest Starting Temp Without auxiliary system: -10℃/-25℃
Cooling Method: Water cooled
Firing Order: 1-5-3-6-2-4
Key Advantages of Cummins ISME 420-30 Engine
ISME 420-30 Turbocharged Intercooled Engine with HPCR
A core feature of the XCEC ISME 420-30 306kW automotive engine is its High-Pressure Common Rail (HPCR) system. Unlike older mechanical injection systems, the Euro III Cummins ISME 420-30 uses an advanced ECM control module to precisely meter fuel. This results in an ISME 420-30 fuel consumption per hour at rated power that remains highly competitive, reducing the Total Cost of Ownership (TCO) for logistics managers.
ISME 420 Torque Curve and RPM Range Explained
The Cummins ISME 420-30 engine torque curve is designed for "low-end grunt." Peak torque is achieved as early as 1200 RPM, allowing heavy trucks to maintain speed on steep inclines without excessive downshifting. This performance profile makes it the ideal Cummins ISME 420-30 engine for 6x4 dump trucks and heavy-duty tractor units.
Optimised Fuel Consumption
With efficient combustion technology, the Cummins ISME 420 engine offers competitive fuel consumption per hour and per 100km, helping fleet operators reduce operating costs over long service cycles.
Strategic Applications: Logistics, Mining, and Construction
The 10.8L Cummins ISME 420HP engine for heavy trucks is versatile. At HekoPower, we supply this engine to various sectors:
- Logistics Fleets: The ISME 420 engine for heavy-duty transport vehicles ensures high average speeds for long-haul routes.
- Mining & Construction: For rugged environments, the Cummins ISME 420 engine for mining and construction trucks provides the necessary thermal resistance.
- Specialized Machinery: We offer the Cummins ISME 420 REPTO engine for mixer trucks, allowing for power take-off directly from the rear of the engine.
Comparison: Cummins ISME 420 vs. ISLe 375 and ISM 11
Many buyers ask: which is better, ISME 420 or ISM11E5? While both are 11-liter class engines, the ISME 420 (XCEC/DCEC) is optimized for the Chinese and emerging market truck chassis, offering better parts availability. In a Cummins ISME 420 vs ISLe 375 performance comparison, the ISME offers nearly 500N·m more torque, making it essential for loads exceeding 40 tons.
Furthermore, when looking at the ISME 420-30 vs ISME 380 differences, the 420 version features reinforced internal components to handle the higher thermal load of the 420HP output, ensuring longer ISME 420 maintenance intervals.
Why HekoPower is Your Preferred Cummins ISME 420 Wholesale Supplier
When you buy a Cummins ISME 420-30 engine assembly wholesale from HekoPower, you aren't just getting a product; you are getting a logistics partner. We offer the original XCEC ISME 420-30 with a 12-month warranty.
Logistics and Global Delivery
We understand that downtime is expensive. Our XCEC ISME 420-30 diesel engine 10 business days lead time is among the fastest in the industry. For international buyers, we provide clear Cummins ISME 420 engine shipping dimensions and weight (approx. 940kg dry weight) to ensure your freight calculations are accurate from day one.
As a leading DCEC/XCEC ISME 420-30 engine exporter, we provide a Cummins ISME 420-30 engine price for bulk orders that allows your business to remain profitable while utilizing genuine Cummins ISME 420 OEM quality.
Cummins ISMe 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 ISME308-30, ISM11E4 308, ISME335-30, ISME345-30, ISM11E4 345, ISM11E5 345, ISME 360-30, ISME 380-30, ISME 385-30, ISM11E4 385, ISM11E5 385, ISM405E-20, ISME 420-30, ISM11E4 420, ISM11E5 420, ISM11E4 440, ISM11E5 440.
Frequently Asked Questions (FAQ)
Q: What is the difference between the ISME 420 and the ISM 11?
A: While both are 10.8L engines, the ISME series typically features the advanced HPCR fuel system and electronic controls (ECM), whereas the older ISM series often used mechanical injection (Celect Plus). The ISME is generally more fuel-efficient and meets stricter emission standards.
Q: Can the ISME 420 replace an older M11 engine?
A: Yes, the ISME 420 is the modern evolution of the M11. However, due to the electronic differences (ECM vs. mechanical), the wiring harness and throttle pedal must be swapped to match the engine.
Q: What is the lead time for an ISME 420 engine?
A: For stock units, HekoPower can ship within 10 business days. Custom orders or remanufactured units may take slightly longer.
