Details
Genuine Cummins C280-20 Diesel Engine Assembly
When replacing a heavy-duty commercial vehicle engine, fleet managers need a power plant that balances raw torque with reliable mechanical simplicity. The Cummins C280-20 diesel engine is engineered precisely for these demanding conditions. Manufactured by the Dongfeng Cummins joint venture (DCEC), this 8.3L engine delivers a robust 280 horsepower (206 kW), making it a cornerstone for heavy trucks, large city buses, and demanding commercial transport vehicles.
At HekoPower, we supply complete DCEC C280-20 engine assemblies to clients worldwide. Unlike standard passenger vehicle engines, this Cummins C series automotive engine relies on a proven mechanical fuel system, offering exceptional durability in environments where electronic fuel systems might falter.
Tech Specs of Cummins C280-20
General Engine Data
Engine Model: Cummins C280-20
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: 206 kW/280 HP
Rated Speed: 2200 rpm
Max Torque/Speed: 1125 N.m @ 1400 rpm
Fuel Consumption @ Rated Power: 231 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: Weifu PW2000 Pump/RVQ-K Governor
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
Application Scenarios: Where the C280-20 Excels
You will not find the Cummins C280-20 in lightweight applications. This is a dedicated commercial vehicle engine built for heavy lifting.
If you manage a fleet of Dongfeng commercial vehicles, the DCEC C280-20 truck engine is often the exact factory replacement you need. It is heavily utilized in regional haul trucking, where drivers require consistent pulling power without the need for constant downshifting.
Beyond trucks, the Cummins C280-20 bus engine configuration is highly popular for intercity transport. The turbocharged intercooler engine design ensures that even during long passenger routes in high-altitude or hot climates, the engine maintains optimal operating temperatures and air density, preventing power loss.
Technical Comparisons: 6CT Series Lineage
A common point of confusion for buyers is the difference between various Cummins 8.3L truck engines. It is a common misconception that all 6CT engines are identical. While the C280-20 is essentially an evolution of the Cummins 6CT 8.3 series, it is tuned specifically for highway and vocational vehicle use.
If you are looking for a replacement engine for a Cummins 6CT 8.3 series, you must verify the specific fuel pump type and governor calibration. An industrial 8.3L engine designed for a water pump will have a completely different torque curve and governor response than the DCEC 280 HP diesel engine designed for commercial vehicles. Always consult with a HekoPower specialist to ensure the engine configuration matches your vehicle's transmission and rear axle ratio.
Maintenance and Replacement Expert Tips
Maximizing the lifespan of your Cummins C280-20 requires strict adherence to maintenance schedules, particularly concerning the mechanical fuel system.
Cold Weather Operations
The C280-20 cold start temperature capabilities are excellent, but fleets operating in extreme winter conditions should ensure they are using the correct winter-grade diesel. Because the C280-20 Weifu PW2000 fuel pump is mechanical, fuel gelling can cause immediate operational failures.
Managing Engine Weight
When planning a replacement, mechanics must account for the C280-20 engine weight and dimensions. This is a heavy block cast-iron engine. Ensure your shop equipment is rated for the C280-20 engine dimensions and dry weight before attempting a swap.
Component Sourcing
When performing top-end rebuilds, always source OEM parts for the Cummins C280-20 diesel engine. While aftermarket parts exist, components like the fuel injectors and the Weifu pump components must be exact matches to maintain that efficient 231g/Kw.h fuel consumption rate.
Partnering with HekoPower for Your Engine Needs
Sourcing a reliable heavy truck engine shouldn't be a gamble. As a dedicated engine supplier, HekoPower provides transparent Cummins C280-20 wholesale pricing for single units and bulk fleet orders. We understand that downtime costs your business money, which is why we focus on fast fulfillment and verified genuine DCEC stock.
Whether you need a complete Cummins C280-20 engine assembly supplier or require a specific Cummins C280-20 engine quotation for a fleet overhaul, our team can provide the technical support required to get your vehicles back on the road.
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)
Is the DCEC C280-20 the same as a US-built Cummins engine?
DCEC (Dongfeng Cummins Engine Co.) is an official joint venture with Cummins Inc. The DCEC C280-20 is built to exact Cummins global standards, utilizing the same engineering blueprints, making it a genuine Cummins product manufactured for the global commercial market.
What vehicles can use this as a replacement engine?
It is primarily used as a 280 HP Cummins engine for heavy trucks, large buses, and vocational vehicles. If you are replacing an older 8.3L Cummins engine for a truck, our technical team can help verify fitment based on your chassis and transmission.
Do you supply the engine with the fuel system attached?
Yes, our complete C280-20 engine assemblies include the factory-calibrated Weifu PW2000 pump and fuel system, ready for installation.
How do I request a Cummins C280-20 engine price?
You can contact the HekoPower sales team directly through our website. We serve as a primary DCEC C280-20 exporter and can provide shipping quotes to your facility.
