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Cummins C300-20 Diesel Engine: The 300HP Powerhouse for Heavy-Duty Performance
The Cummins C300-20 diesel engine represents the pinnacle of the 8.3-liter C Series platform manufactured by Dongfeng Cummins (DCEC). As a leading Cummins C300-20 supplier in China, HekoPower understands that fleet operators and industrial users require more than just raw power; they require reliability in high-load environments. The 300HP DCEC engine is an inline 6-cylinder, turbocharged, and aftercooled workhorse designed specifically for heavy trucks, buses, and specialized commercial vehicles.
Why the C300-20 is the Choice for Commercial Logistics
At a rated power of 221kW (300HP), the Cummins C300-20 for commercial vehicles provides a significant torque advantage over its lower-horsepower counterparts like the C230 or C260. This extra headroom allows for better climbing ability and sustained highway speeds under full load, making it the preferred Dongfeng Cummins C300-20 engine for the 20-30 ton truck segment.
Tech Specs of Cummins C300-20
General Engine Data
Engine Model: Cummins C300-20
Type: 6 Cylinders in Line
Displacement: 8.3 L
Bore * Stroke: 114 * 135
Net Weight (with flywheel & alternator): 636 Kg
Overall Dimension: 1180mm*920mm*1280
Key Performance Data
Rated Power: 221 kW/300 HP
Rated Speed: 2200 rpm
Max Torque/Speed: 1125 N.m @ 1200 rpm
Fuel Consumption @ Rated Power: 229 g/Kw.h
Max. No-load Governed Speed: 2500 rpm
Idle-Speed: 750±100 rpm
Max Continuous Running Altitude: 3000 m
More Technical Data
Certification: Euro II
Aspiration: Turbocharged & Air-Air Intercooled
Fuel System: BOSCH P7100 Pump
Compression Radio: 17.5:1
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: 12.3 L
Key Features of Cummins C300-20 Engine
The Role of the Bosch P7100 Fuel Pump in Euro II Compliance
A defining feature of the C300-20 Euro II diesel engine is the mechanical injection system. The Bosch P7100 fuel pump Cummins C300-20 diesel engine setup is legendary for its durability. Unlike modern Common Rail systems that are sensitive to fuel quality, the P7100 pump is robust, easier to maintain in remote regions, and provides the consistent pressure needed to reach that 300HP threshold without complex electronics.
Proven 8.3L Cummins C Series Platform
The Cummins 6CT8.3-C300 engine is built on the mature C Series architecture, known for its long service life and strong adaptability. The inline 6-cylinder design ensures balanced operation and reduced vibration, making it suitable for long-distance transportation and heavy-load operations.
300HP Output for Heavy-Duty Applications
With a rated power of 300HP, the C300-20 engine is optimized for heavy-duty trucks, including 6×4 and 8×4 configurations. It delivers consistent torque output, ensuring strong climbing ability and stable performance under full-load conditions.
Applications: Where to Use the 300HP Cummins Truck Engine
The versatility of the 8.3L Cummins vehicle diesel engine makes it a "universal" solution for various heavy-duty platforms.
Integration with Dongfeng Heavy-Duty Chassis
As an original new Cummins C300-20 engine bulk supply partner, we see this unit most frequently in Dongfeng Kinland and T-Lift trucks. The Cummins C300-20 engine for Dongfeng truck fleets offers a "drop-in" replacement solution, minimizing downtime during engine swaps.
Industrial and Marine Potential
Beyond the road, the Cummins inline 6 cylinder 8.3L engine architecture is frequently adapted for construction machinery and marine auxiliary power. Its high power-to-weight ratio makes it an excellent candidate for water pump sets and 150-200kVA power generation units.
Maintenance, Overhaul, and Spare Parts Support
Buying a DCEC C300-20 engine assembly is an investment. HekoPower supports that investment with a comprehensive C300-20 Cummins engine spare parts list.
Key Components for Rebuilding a Cummins C300-20 8.3L Engine
If you are not looking for a complete assembly, we provide individual components from the Cummins 6CT8.3 engine parts catalogue:
- Turbochargers: Optimized for high-altitude performance.
- Cylinder Heads: Reinforced to handle the thermal load of 300HP output.
- Pistons & Liners: Specifically treated for low friction and high heat resistance.
Best Practices for C300-20 Engine Maintenance
To ensure your 300HP diesel engine for heavy duty trucks reaches its maximum service life (often exceeding 1 million kilometers before a major overhaul), we recommend:
- Oil Quality: Use high-grade CF-4 or CH-4 diesel oil.
- Cooling System: Regular inspection of the aftercooler to ensure the 300HP output doesn't lead to overheating.
- Genuine Filters: Only use authentic Fleetguard filters to protect the Bosch P7100 pump.
Why Choose HekoPower as Your Cummins C300-20 Manufacturer & Supplier?
Navigating the Cummins C300-20 engine price market in China can be difficult due to the prevalence of refurbished units sold as new.
Wholesale DCEC C300-20 Engine Reliability
HekoPower provides wholesale Cummins C series C300-20 engine solutions that are 100% genuine and brand new from the DCEC factory. We don't just sell an engine; we provide a 12-month warranty and a guaranteed 10 business days lead time for in-stock units.
Global Logistics and Bulk Supply
Whether you are a repair shop looking to buy Cummins C300-20 diesel engine units for local clients or a fleet owner needing original Cummins C300-20 engine wholesale pricing, our logistics team handles the complexities of international shipping, ensuring the engine arrives in a seaworthy wooden crate, fully preserved.
DCEC C Series, original products from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant since 1986, 50% shareholding by Cummins USA. This series mainly includes C220-20, C230-20, C230-33, C240-20, C245-20, C245-33, C260-20, C260-33, C280-20, C280-33, C300-20, C300-33, C325-20.
Frequently Asked Questions (FAQ)
What is the difference between the C300-20 and C300-33?
The primary difference lies in their performance ratings and specific tuning. The C300-20 is rated at 300HP @ 2200RPM, while other variants like the C300-33 may have different horsepower ratings at different RPMs, tailored for specific applications.
Do you supply spare parts for the C300-20 engine?
Yes, HekoPower is a full-service supplier. We provide a complete range of genuine spare parts for the Cummins C300-20, including components for the Bosch P7100 fuel pump, turbocharger, and other critical systems.
What is the lead time for a C300-20 engine?
We typically have stock available for immediate dispatch. For bulk orders, our standard lead time is approximately 10 business days.
