Details
Cummins C230 33 Engine Assembly: DCEC 8.3L 230HP Euro III Commercial Power Solution
The Dongfeng Cummins C230 33 (6CTA8.3) is an 8.3-liter, in-line 6-cylinder mechanical diesel engine rated at 170 kW (230 HP) at 2200 RPM. Engineered by the Dongfeng Cummins Engine Co., Ltd. (DCEC) joint venture, this engine powers medium-to-heavy-duty trucks, regional transit buses, and vocational commercial vehicles requiring high low-end torque and high thermal durability.
As an established engine exporter and OEM replacement supplier, HekoPower provides factory-tested, genuine DCEC Cummins C230-33 complete engine assemblies, short blocks, and long blocks for fleet maintenance and commercial repowering.
Tech Specs of Cummins C230-33
General Engine Data
Engine Model: Cummins C230-33
Type: 6 Cylinders in Line
Displacement: 8.3 L
Bore * Stroke: 114 * 135
Net Weight (with flywheel & alternator): 604 Kg
Overall Dimension: 1180mm*920mm*1280
Key Performance Data
Rated Power: 170 kW/230 HP
Rated Speed: 2200 rpm
Max Torque/Speed: 410 N.m @ 1500 rpm
Fuel Consumption @ Rated Power: 242 g/Kw.h
Max. No-load Governed Speed: 2720 rpm
Idle-Speed: 800 rpm
Max Continuous Running Altitude: 3000 m
More Technical Data
Certification: Euro II
Aspiration: Turbocharged & Intercooled
Fuel System: BYC PB Pump/R801 Governor
Compression Radio: 17.3:1
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
Engine Comparison: C230-33 vs. Alternative Platforms
Selecting the correct replacement or repower unit requires understanding structural and fueling differences across the Cummins C-Series and newer ISD platforms.
Cummins C230-33 vs. C220 & C240 (Mechanical C-Series)
- Power & Torque Calibration: The C230-33 occupies a sweet spot in the 8.3L C-Series family. While older Euro II models (like C220 or C230-20) use earlier inline fuel pumps, the Euro III C230-33 uses modified injection nozzle geometry and updated turbochargers to achieve 861 N·m peak torque while meeting Euro III opacity limits.
- Parts Interchangeability: The basic cylinder block, crankshaft, connecting rods, and oil pan are physically identical across the C220, C230, and C240 platforms, simplifying cross-fleet inventory management.
Cummins C230-33 vs. Cummins ISD 6.7L (Electronic)
- Fuel System Architecture: The C230-33 relies on an ultra-reliable mechanical fuel injection pump (e.g., Bosch PW2000/BYC) with a mechanical governor. The ISD series utilizes high-pressure common rail (HPCR) fuel systems controlled by an Electronic Control Module (ECM).
- Maintenance Complexity: ISD engines offer higher fuel atomization precision, but C230-33 mechanical engines resist lower-quality fuel and sulfur variations without throwing electronic fault codes. This makes the C230-33 a preferred choice for harsh operating environments, remote logging, and export markets with inconsistent fuel quality.
Real Application Scenarios & Vehicle Compatibility
The DCEC C230-33 is engineered for medium and heavy-duty chassis operating under high duty cycles. Primary applications include:
Commercial Freight & Cargo Logistics
- Dongfeng Heavy & Medium Trucks: Ideal for Dongfeng EQ1160, EQ1208, and related cargo trucks, tractor units, and flatbeds operating on regional routes.
- Vocational & Construction Vehicles: Widely deployed in concrete mixers, dump trucks, and municipal utility vehicles where high low-end torque (861 N·m at 1300 RPM) is essential for heavily loaded starts on unpaved roads.
Passenger Transportation & Bus Fleets
- City Transit & Intercity Coaches: Serves as a popular power source for 10-meter to 12-meter passenger buses, offering smooth low-RPM cruising power and minimal vibration.
Preventative Maintenance & Field Service Guide
To maximize the service life of a 6CTA8.3 / C230-33 engine beyond 500,000 kilometers, follow these service intervals:
- [250 Hours] Oil & Filter Service (15W-40 API CI-4) + Fuel Water Separator Drain
- [500 Hours] Replace Primary Fuel Filters & Adjust Mechanical Injector Pressures
- [1,000 Hours] Check Turbocharger Bearing Clearance & Inspect Intercooler Hoses
- [2,000 Hours] Valve Clearance Adjustment (Intake: 0.30mm / Exhaust: 0.61mm)
Pro Tip for Mechanics: When replacing mechanical fuel pumps on the C230-33, ensure accurate timing pin engagement on the gear housing before tightening the drive gear. Incorrect pump timing leads to excessive black smoke under load and elevated exhaust gas temperatures (EGT).
Complete Replacement & Repowering Workflow
When exchanging a worn engine assembly with a new or reconditioned Genuine DCEC C230-33 unit, adhering to standard repowering protocols prevents premature component failure:
- Pre-Installation Flush: Thoroughly flush the engine radiator, oil cooler lines, and air-to-air intercooler to remove metallic debris from the previous engine failure.
- Flywheel & PTO Inspection: Verify flywheel housing alignment (SAE #2 or SAE #1 depending on clutch application) and inspect pilot bearings.
- Prime Fuel Lines: Manually prime the fuel feed system using the mechanical pump hand primer to purge trapped air prior to initial cranking.
- Initial Break-In: Run the engine at elevated idle (1000–1200 RPM) for 15 minutes, monitoring oil pressure (≥ 207 kPa at idle) and coolant temperature (82 - 95).
HekoPower Global Supply & Export Assurance
As an international Cummins power solutions provider, HekoPower simplifies global engine sourcing:
- 100% Genuine DCEC Production: Every C230-33 complete engine undergoes automated engine dyno testing before export, verifying horsepower curves and oil pressure stability.
- Export-Ready Packaging: Engines are wrapped in vapor corrosion inhibitor (VCI) anti-rust film, secured inside reinforced, heat-treated wooden crates compliant with ISPM-15 customs regulations.
- Comprehensive Spare Parts Support: HekoPower maintains full inventory access to C230-33 cylinder heads, turbochargers, water pumps, overhaul gasket kits, and fuel injection pumps for rapid global dispatch.
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 displacement and cylinder layout of the Cummins C230 33?
The Cummins C230-33 is an 8.3-liter, in-line 6-cylinder diesel engine with a bore of 114 mm and a stroke of 135 mm.
Is the C230-33 engine mechanically or electronically controlled?
The C230-33 uses a mechanical fuel injection pump system (e.g., Bosch PW2000 / BYC series) with a mechanical governor, making it exceptionally reliable and straightforward to maintain without diagnostic software.
What emission level does the Cummins C230-33 meet?
The "33" tail code designates compliance with Euro III (Euro 3) emissions standards.
Can I replace my older C230-20 or C260-33 with a C230-33 engine?
Yes. The C230-33 shares identical mounting footprints and flywheel dimensions with other DCEC 6C / 6CTA8.3 series engines. Adjustments may only be needed for specific intake piping or fuel line configurations depending on chassis design.
What is included with a complete HekoPower engine assembly?
A standard complete engine assembly from HekoPower includes the cylinder block, cylinder head, crankshaft, pistons, fuel injection pump, injectors, turbocharger, water pump, oil pump, starter motor, alternator, and flywheel.
