Details
Genuine Cummins C260-33 Diesel Engine: 191kW 8.3L DCEC Power Solution
The Cummins C260-33 diesel engine is a proven 8.3L power solution designed for heavy-duty truck, bus, and logistics applications. As part of the DCEC 6CT8.3 engine platform, it delivers 191kW (260HP) output with stable torque, making it widely used in Dongfeng commercial vehicles and similar transport fleets.
As an experienced supplier, HekoPower provides original Cummins C260-33 engine assemblies with reliable sourcing channels, ensuring consistent quality and fast global delivery.
Tech Specs of Cummins C260-33 Diesel Engine
General Engine Data
Engine Model: Cummins C260-33
Type: 6 Cylinders in Line
Displacement: 8.3 L
Bore * Stroke: 114 * 135
Net Weight (with flywheel & alternator): 747 Kg
Overall Dimension: 1180mm*920mm*1280
Key Performance Data
Rated Power: 191 kW/260 HP
Rated Speed: 2200 rpm
Max Torque/Speed: 1025 N.m @ 1300 rpm
Fuel Consumption @ Rated Power: 235 g/Kw.h
Max. No-load Governed Speed: 2550 rpm
Idle-Speed: 750±100 rpm
Max Continuous Running Altitude: 3000 m
More Technical Data
Certification: Euro III
Aspiration: Turbocharged & Air-Air Intercooled
Fuel System: Weifu PW2000 Pump/RQV-K Governor
Compression Radio: 18:1
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
Technical Comparison with Legacy and Alternate Ratings
When evaluating mid-range heavy vehicle powerplants, engineers often contrast the Cummins C260-33 with earlier iterations such as the C260-20 or alternative power bands like the C280-33. Unlike the legacy mechanical variants that operated under looser emissions thresholds, the C260-33 incorporates a Euro III compliant configuration centered around a robust Weifu PH fuel pump paired with an RQV-K governor.
While higher-tier models like the C300-33 push peak torque to 1125 N.m at lower engine speeds, the C260-33 delivers its 1025 N.m peak torque efficiently at 1300 RPM. This calibration provides a flatter torque curve for medium-duty trucks and commercial buses operating in stop-and-go urban environments. Furthermore, structural design improvements give the C-series block a 30 percent higher safety margin against thermal and mechanical stress compared to domestic equivalents of identical displacement.
Real Application Scenarios for the C260-33 Engine
The versatility of the Dongfeng Cummins 8.3L platform makes the C260-33 a preferred choice across several heavy-duty commercial sectors. In municipal logistics, fleets utilize this 6-cylinder inline engine to power medium-to-heavy cargo trucks carrying payloads between 15 to 25 tons.
In public transportation, intercity passenger buses rely on the C260-33 for its steady power delivery during sustained highway climbs and frequent gear shifts. Because HekoPower supplies these units as complete engine assemblies, regional fleet operators frequently select the C260-33 for chassis retrofitting and repowering older commercial vehicles whose original powerplants have exceeded their service life.
Critical Maintenance, Inspection, and Replacement Tips
Maximizing the operational lifespan of a C260-33 diesel engine requires strict adherence to maintenance intervals, particularly concerning fuel filtration and cooling system health. The precision components within the Weifu PH injection pump are sensitive to water and particulate contamination. Operators should replace primary fuel filters every 10,000 kilometers and inspect the air-air intercooler piping for micro-cracks that can compromise turbocharger boost pressure.
During engine installation or total overhaul, verify that the CPL code matches the chassis electronic control or mechanical linkage requirements. Proper alignment of the flywheel housing and torque inspection of the mounting bolts prevent premature torsional vibration fatigue at the rear face of the block.
Common Misconceptions Regarding the C260-33
A frequent misconception among overseas buyers is that mechanical C-series engines are entirely obsolete in the face of modern high-pressure common-rail (HPCR) systems. While HPCR engines offer micro-injection precision, they demand ultra-clean fuel and complex electronic diagnostics.
Another misunderstanding involves cold-weather performance. Some operators assume mechanical inline pumps struggle heavily in sub-zero environments. However, when equipped with the factory-specified air suction electric preheater and a high-capacity starter motor, the C260-33 has proven reliable during extreme cold-weather testing down to negative thirty-six degrees Celsius.
Cummins C-Series Ecosystem and Series Integration
Navigating the correct replacement engine or spare parts catalog requires understanding the broader family of medium-bore powerplants produced by Dongfeng Cummins. This series mainly includes a comprehensive lineup of mechanical and electronic inline-six platforms designed for diverse vocational demands, ensuring seamless compatibility across multi-brand commercial fleets. Reviewing related models within our catalog helps maintenance managers locate specific overhaul kits, cylinder heads, and fuel pump components tailored to your exact operational requirements.
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 primary difference between C260-20 and C260-33 models?
The primary difference lies in the emissions certification and fuel calibration. The C260-20 typically meets Euro II standards, whereas the C260-33 is engineered to meet Euro III standards with optimized combustion chambers and refined injection timing.
Is the C260-33 compatible with Euro III emissions?
Yes, the Euro III Cummins C260-33 turbocharged intercooled engine is available. Please specify your emission requirements when ordering.
Can HekoPower supply complete replacement assembly units with auxiliary parts?
Yes. HekoPower provides complete engine assemblies equipped with standard alternators, starters, and turbochargers, ready for direct installation into compatible commercial vehicle chassis.
How does HekoPower handle international shipping and lead times?
Standard complete engine assemblies are prepared, crated, and shipped from our export warehouse within approximately ten business days, supported by comprehensive export documentation and logistics tracking.
