Details
Genuine Cummins ISLe350-30 Engine Assembly for Heavy Commercial Vehicles
As an established commercial vehicle powertrain supplier, HekoPower provides complete, factory-new Genuine Cummins ISLe350-30 engine assemblies. Built by the Dongfeng Cummins (DCEC) joint venture plant, this 8.9-liter power unit balances high torque extraction with strict Euro III emission compliance. We supply these units fully assembled, tested, and ready for immediate drop-in replacement across global shipping lanes.
Whether you are managing a fleet overhaul or replacing a damaged block in a single commercial vehicle, sourcing a Brand New DCEC ISLe350-30 truck motor ensures your machinery retains its original factory performance curves, fuel efficiency ratings, and structural durability.
Tech Specs of Cummins ISLe350-30
General Engine Data
Engine Model: Cummins ISLe350-30
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: 258 kW/350 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: 1180 N.m @ 2100 rpm
Max. Torque/Speed: 1550 N.m @ 1400 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
Engine Comparison: ISLe350-30 vs. Lower-Rated ISL Models
When building out your fleet assets, understanding the physical and mechanical differences between models avoids costly purchasing errors. Many parts distribution sites state that all ISL blocks are identical. This is a costly mistake./span>
Mechanical Differences: Why Choose 350HP Over 290HP/340HP?
While the ISLe290-30, ISLe310-30, and ISLe340-30 share the same 8.9-liter displacement footprint, the 350HP Cummins Diesel Engine is engineered for higher thermal stress.
To support the extra horsepower, the ISLe350-30 features upgraded piston crowns with deeper cooling galleries, a high-capacity Cummins ISLe350-30 turbocharger, and modified fuel injector nozzle profiles. Installing a 290HP electronic control map on a lower-spec block will cause premature thermal cracking because the underlying metallurgy lacks these heavy-duty internal upgrades.
Fuel Injection & Fuel Quality Resilience
The Cummins ISLe350-30 Common Rail Diesel Engine utilizes a specialized Bosch high-pressure common rail injection system. Competitors often omit the fact that Euro III engines exported to emerging markets must handle varied fuel qualities. The specific Bosch common rail system compatibility for ISLe350-30 engine assemblies supplied by HekoPower includes a highly resilient fuel lift pump and multi-stage filtration preparation, protecting the fine-tolerance injection needles from sulfur buildup and water contamination.
Real-World Commercial Application Scenarios
The power-to-weight profile of this 8.9L block makes it a versatile prime mover for heavy infrastructure and long-haul transport logistics.
Heavy Logistics & Special Duty Trucks
The Cummins ISLe350 Truck Engine serves as the primary powertrain for various specialized vehicles:
- Cummins ISLe350 Dump Truck Engine: Provides the raw low-end torque required to pull out of deep, unpaved mining pits and construction sites under 30-ton payloads.
- Cummins ISLe350 Mixer Truck Engine: Supplies steady, uninterrupted power to high-capacity concrete mixing drums via rear-engine power take-off (REPTO) configurations.
- Cummins ISLe350 Cargo Truck Engine: Drives long-distance regional distribution flatbeds, maintaining steady highway speeds without downshifting on rolling hills.
Public Transit & Commercial Fleets
Beyond freight logistics, the Cummins ISLe350-30 engine for 12 meter bus and coach operations is a global fleet standard. Its compact footprint fits comfortably within rear-engine bus compartments, while its low vibration output enhances passenger comfort during intercity transit.
Heavy Truck Engine Replacement & Maintenance Guide
Replacing an engine assembly requires strict adherence to physical alignments to prevent premature drivetrain wear or component binding.
Core Installation & Alignment Metrics
When executing a swap using our Dongfeng heavy truck engine ISLe350-30 replacement guide parameters, check the flywheel housing runout before mating the engine to the transmission. The dry Cummins ISLe350-30 engine weight sits at approximately 714 kg. Ensure your shop overhead crane is rated for at least 1 ton to manage safe positioning. The Cummins ISLe350-30 engine dimensions require a clear engine bay envelope of roughly 1128 mm × 719 mm × 1097 mm.
Long-Term Component Preventive Maintenance
To prevent critical downtime, fleet managers must monitor key wear components. The Cummins ISLe350-30 ECU system logs intermittent electrical issues, but physical inspections protect your mechanical hard parts. Change your primary fuel filters every 15,000 kilometers when operating in high-dust environments. Ensure that the cooling circuit is refilled exclusively with high-quality coolant to prevent cavitation erosion on the wet cylinder liners.
HekoPower Global Supply, Quality & Logistics Control
Sourcing an engine internationally requires absolute clarity regarding product origin, verification, and transport protection.
Factory Testing and Certification Protocols
Every Complete Cummins ISLe350-30 diesel engine supply run from HekoPower undergoes a rigorous multi-point validation process. Each Cummins ISLe350 Factory Tested Engine undergoes a hot-run test on a dynamometer to verify horse-power output, oil pressure stability, and oil-seal integrity prior to anti-corrosion painting. We provide the factory test logs along with the original serial number stamping to guarantee authenticity.
Export Packaging & Shipping Timelines
Industrial engines are vulnerable to sea dampness and impact damage during ocean transit. Our Cummins ISLe350 Global Export units are thoroughly drained of fluids, sprayed with storage oil, wrapped in heavy-gauge VCI anti-rust plastic sheeting, and bolted securely inside custom-built, ISPM-15 compliant fumigated wooden crates.
We maintain a consistent Cummins ISLe350-30 Stock Available program to minimize lead times. Standard order processing to port delivery takes between 7 to 10 business days, ensuring rapid fleet turnaround times.
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 Regarding the Cummins ISLe350-30
Is this a genuine Cummins engine or a copy?
This is a 100% Genuine DCEC Cummins ISLe350 engine assembly built by the Dongfeng Cummins Joint Venture plant in China. It features authentic Cummins serial numbers that can be verified globally via the Cummins QuickServe system.
What is included in a complete engine assembly from HekoPower?
Our complete assemblies come fully dressed. This means you receive the cylinder block, cylinder head, crankshaft, pistons, camshaft, Cummins ISLe350-30 Turbocharger, high-pressure fuel pump, fuel injectors, air compressor, alternator, starter motor, and the Cummins ISLe350-30 ECU System with standard wiring harnesses.
Can I use this engine to replace an older Euro II or mechanical engine?
Yes, but you will need to accommodate the electronic control unit. When utilizing our unit as a Cummins ISLe350 Fleet Replacement Engine for an older mechanical truck, our technical team provides the necessary wiring harness adapters and pedal sensors to ensure smooth throttle link integration.
What warranty coverage comes with the engine?
Every Factory New Cummins ISLe350 supplied by HekoPower includes a standard international warranty covering major components—including the engine block, crankshaft, and camshaft—for 12 months or 100,000 kilometers, whichever occurs first. We supply genuine Cummins ISLe350-30 Spare Parts directly for any necessary warranty servicing.
