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Original Cummins, new machines at absolute wholesale prices.
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Genuine Cummins ISLe340-30 Engine | 8.9L 340HP DCEC Diesel Engine Supplier
In the demanding world of heavy-duty transportation and industrial power, reliability isn't a luxury—it's a necessity. At HekoPower, we are proud to be a leading supplier of the Genuine Cummins ISLe340-30 Engine, a powerhouse engineered to deliver exceptional performance and unwavering dependability. This 8.9L diesel engine, also known as the DCEC ISLe340-30 Diesel Engine, is a benchmark in its class, offering a perfect blend of power, fuel economy, and durability for a wide range of applications.
Tech Specs of Cummins ISLe340-30
General Engine Data
Engine Model: Cummins ISLe340-30
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: 250 kW/340 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: 1139 N.m @ 2100 rpm
Max. Torque/Speed: 1425 N.m @ 1100-1400 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
Fuel Consumption and Efficiency
The ISLe340-30 fuel consumption rate is optimized for performance under heavy loads:
- Fuel consumption: 195–210 g/kWh depending on operating conditions
- Euro III emission standard
- Efficient combustion enabled by electronic control module (ECM)
Despite higher power output, the engine maintains competitive fuel efficiency, making it suitable for long-distance transport.
Torque and Power Curve Advantages
The Cummins ISLe340 torque and power curve delivers:
- The Cummins ISLe340 torque and power curve delivers:
- Strong low-speed performance for climbing and acceleration
- Stable power delivery under continuous load
This ensures superior performance compared to lower horsepower models in demanding environments.
Application, Compatibility, and Upgrades
The ISLe340-30 Cummins engine for Dongfeng heavy trucks is the gold standard for vehicle manufacturers like Dongfeng Tianlong and King Long.
Replacing Older Engines (C8.3 Upgrade)
For fleet modernization, many operators choose to replace Cummins C8.3 with ISLe340-30 8.9L upgrade units. The transition from mechanical to electronic control—via the ISLe340 ECM electronic control module—provides better diagnostics, improved fuel mapping, and higher resale value for the vehicle.
Shipping and Installation Data
To assist in global logistics, please note the ISLe340-30 706kg engine weight specification (net weight with flywheel and alternator). We provide a wholesale ISLe340-30 engine 10-day lead time, ensuring that your downtime is minimized. The ISLe340-30 engine with 11.1L water cooling system is shipped in export-grade packaging to prevent corrosion during sea freight.
Upgrade Solution – Replacing Cummins C8.3
The ISLe340-30 is an effective upgrade for older engines such as Cummins C8.3:
- Significant increase in horsepower and torque
- Improved fuel efficiency with Bosch common rail system
- Improved fuel efficiency with Bosch common rail system
This upgrade improves vehicle performance and reduces operational costs over time.
Why Source from HekoPower?
When you buy original DCEC ISLe340-30 wholesale from China, you need a partner who understands technical compliance and after-sales support.
- Expert Inspection: Every HekoPower original ISLe340-30 engine wholesale unit undergoes a multi-point check of the fuel system, turbocharger, and ECM.
- Global Warranty: We provide a HekoPower original ISLe340-30 with 12-month warranty to give you peace of mind.
- Technical Support: From torque curves to cooling requirements, our engineers provide the data you need to ensure a perfect fit.
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.
