Details
Dongfeng Cummins DCEC L315-30 Engine Assembly
When operating heavy machinery or commercial transport fleets in demanding environments, engineers prioritize durability over digital complexity. The genuine Cummins L315-30 vehicle diesel engine is purpose-built for exactly this philosophy. Manufactured by Dongfeng Cummins (DCEC), this 8.9L displacement power plant delivers a continuous 231kW (315HP) at 2200 RPM while maintaining peak torque of 1180 Nm at 1300 RPM. As a fully mechanical, direct injection, turbocharged, and intercooled engine, the L315-30 complete engine assembly provides unyielding power without the maintenance headaches associated with highly sensitive electronic control modules.
For fleet managers seeking a robust 315HP Cummins engine for heavy truck applications, this specific configuration balances the strict Euro III emission standards with the rugged simplicity of purely mechanical fuel delivery. HekoPower operates as a wholesale DCEC Cummins L315-30 engine supplier in China, providing brand new complete engines with a 12-month warranty for domestic repowering and global export.
Tech Specs of Cummins L315-30
General Engine Data
General Engine Data
Engine Model: Cummins L315-30
Type: 6 Cylinders in Line
Displacement: 8.9 L
Bore * Stroke: 114 * 145
Net Weight (with flywheel & alternator): 650 Kg
Overall Dimension: 1149mm*799mm*1022mm
Key Performance Data
Rated Power: 231 kW/315 HP
Rated Speed: 2200 rpm
Max. Torque/Speed: 1150 N.m @ 1400 rpm
Max. No-load Governed Speed: 2500 rpm
Idle-Speed: 700±100 rpm
Max Continuous Running Altitude: 3000 m
Fuel Consumption @ Rated Power: 225 g/Kw.h
More Technical Data
Certification: Euro II
Aspiration: Turbocharged & Air-Air Intercooled
Fuel System: BOSCH P7100 Pump/RVQ-K Governor
Compression Radio 16.6:1
Electrical System (Starter Motor/Alternator): 12V(500A)/24V (250A)
Lowest Starting Temp Without auxiliary system: -10℃/-25℃
Cooling Method: Water cooled
Engine Cooling Fluid Volume: 11.1 L
Mechanical Simplicity Meets 8.9L Heavy-Duty Power
At the heart of the DCEC 8.9L L315-30 Euro III mechanical engine is an architecture designed for high thermal efficiency and maximum uptime. The engine block utilizes a precise bore and stroke of 114mm by 145mm, generating excellent low-end torque essential for heavy load starts.
What sets this Cummins L315-30 8.9L engine apart from modern common-rail designs is its fuel system. It relies on the highly regarded Cummins L315-30 Bosch P7100 mechanical inline pump engine setup paired with an RQV-K governor. This mechanical fuel system is legendary for its tolerance to lower-grade diesel fuels that typically destroy sensitive electronic injectors. The mechanical RQV-K governor ensures precise throttle response and load matching, keeping fuel consumption optimized while operating heavy vehicles under extreme grades.
Because it lacks fragile electronic sensors and complex wiring harnesses, the Cummins L315-30 engine delivery and installation process is remarkably straightforward for seasoned mechanics. Every original Dongfeng Cummins L315-30 engine dispatched by HekoPower includes the complete fuel system, turbocharger, air-to-air intercooler piping, starter, and alternator, ensuring the unit is ready for immediate drop-in replacement.
Cummins L315-30 Technical Comparisons
Navigating the Cummins L-series lineup can be complex when matching CPL lists and fuel injection system specs. To help our buyers make the right procurement choice, we have broken down how this engine compares to both its siblings and electronic counterparts.
Cummins L315-30 Mechanical vs ISLe Electronic Engine
Many fleet operators ask if they should upgrade to the ISLe series or stick with the mechanical L-series. When comparing the Cummins L315-30 vs ISLe models, the primary difference lies in the fuel management system. An engine like the ISLe310 or ISLe325-30 uses a high-pressure common rail (HPCR) system managed by an ECM. While this provides highly granular emissions control, it requires pristine fuel quality and specialized diagnostic laptops for troubleshooting. In contrast, the Cummins L315-30 mechanical fuel system relies on physical timing and pressure. If you are operating in regions with inconsistent fuel quality or limited access to computerized diagnostic tools, utilizing an L315-30 engine replacement for ISLe310 Euro 3 trucks is a popular repower strategy to permanently eliminate sensor-related downtime.
L315-30 vs L315-20, L325-20, and L340-30 Configurations
Understanding emission tiers and power curves is critical for fleet compliance. When looking at the Cummins L315-30 vs L315-20, the core difference is emissions; the "-30" designates Euro III compliance achieved through advanced mechanical injection timing and optimized intercooling, whereas the "-20" is an older Euro II platform.
When fleet directors evaluate the L315-30 Euro III vs L325-20 Euro II, they are trading a slight 10HP drop for modern emission compliance without sacrificing the mechanical pump reliability. Comparing the Cummins L315-30 vs L340-30 reveals a difference in thermal stress. The 315HP configuration runs at lower internal combustion pressures than the 340HP variant, generally resulting in a longer lifespan for the cylinder head gaskets and turbocharger bearings during continuous uphill hauling.
Real Application Scenarios & Truck Repowering
The operational footprint of this 8.9L Cummins truck replacement engine spans the globe. Originally engineered as the primary powertrain for Dongfeng heavy duty trucks, including the widely exported Tianlong and Kinland series, the Cummins L315-30 truck engine is a staple in logistics and construction.
Beyond regional freight, it serves extensively as a Cummins L315-30 bus engine. Commercial passenger transport requires engines that do not unexpectedly derate on the highway due to electronic faults. A DCEC L315 30 8.9L engine repower for commercial buses ensures predictable schedules and straightforward roadside maintenance. For logging trucks, tippers, and mining transport vehicles, the L315-30 replacement engine with Bosch P7100 pump provides the exact torque at 1300 rpm needed to pull fully loaded trailers out of unpaved excavation sites.
Maintenance, Engine Replacement & Export Sourcing
Procuring a heavy truck engine requires careful logistical planning. As a dedicated L315-30 complete engine assembly supplier, HekoPower manages every aspect of the technical verification and shipping process.
A common misconception in the repowering industry is that any 8.9L block will fit any truck. In reality, matching the Cummins L315-30 torque curve and technical datasheet to your specific gearbox and cooling package is critical. Proper installation requires verifying the engine dimensions and engine weight against the chassis mounts. The standard Cummins L315-30 engine dimensions are relatively compact for an 8.9L class, making it adaptable, while the dry engine weight sits at approximately 680 kg.
For overseas buyers, export packaging is highly secure. The standard export package dimensions and shipping weight for Cummins L315-30 units typically measure 1300mm by 900mm by 1100mm, with a gross weight of around 720 kg inside a reinforced wooden crate. When inquiring about the original Cummins L315-30 engine assembly price and lead time, buyers can expect transparent FOB or CIF terms directly from our export division.
Ongoing maintenance is highly economical. The Cummins L315-30 maintenance manual and parts catalog dictate standard oil intervals and basic valve lash adjustments, bypassing the expensive electronic injector replacements common in newer generations.
Related DCEC L-Series Engines & Parts
When sourcing commercial vehicle engines or executing selective fleet overhauls, matching the exact power rating and emission standard is critical. While the Dongfeng truck L315-30 engine offers incredible 315HP mechanical performance, HekoPower supplies the complete spectrum of DCEC configurations to accommodate different chassis footprints, environmental regulations, and demanding duty cycles.
Cummins L Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes L270-30, L290-30, L300-20, L315-30, L325-20, L340-20, L360-20, L360-30, L375-20, L375-30.
Frequently Asked Questions (FAQs)
What is the fuel consumption profile of the L315-30?
The Cummins L315-30 fuel consumption is highly competitive for the 8-9 liter class, operating efficiently due to the direct injection pump calibration. Exact consumption varies by payload and axle ratio, but the mechanical setup prevents the over-fueling issues sometimes caused by faulty electronic sensors.
Can I use this as a Cummins L315 30 complete engine replacement for an older Euro 2 truck?
Yes, utilizing the L315-30 complete replacement engine is a standard upgrade path for aging Euro 2 fleets. It physically mounts into similar chassis spaces while instantly upgrading the vehicle's emission compliance to Euro 3 standards.
Does HekoPower provide the Cummins L315-30 wholesale engine globally?
Yes. As an authorized genuine DCEC L315-30 engine supplier and exporter, HekoPower ships globally. We provide full technical support, the Cummins L315-30 price, and accurate lead times based on your destination port.
