Cummins Turbocharger for QSC Marine Engines

Technical Overview
This new turbocharger is engineered for Cummins QSC marine engines. Built from heat-resistant alloys with a precision-balanced compressor/turbine group, it restores target boost, air mass flow, and fuel efficiency under continuous-duty operation. Bearing clearances and sealing systems are optimized for marine thermal cycles, vibration, and prolonged idle/load transitions.

Detailed Features
Dynamically balanced rotating assembly for smooth operation across the duty range; machined bearing housing for stable oil film; enhanced sealing to minimize oil carryover; corrosion-resistant compressor housing; wastegate calibrated for QSC marine mapping to maintain boost control. Each unit is flow-checked to OEM-equivalent tolerances for consistent spool-up and peak efficiency at sea.

FAQ

1. Which engines does it fit?
Designed specifically for Cummins QSC marine engines.

2. Is it new or remanufactured?
This unit is new, not remanufactured.

3. What’s included?
Complete turbocharger assembly with wastegate/actuator as required for QSC marine applications (no gaskets, oil feed/return lines, or mounting hardware).

4. Do I need to prime the turbo?
Yes. Pre-lube the bearing housing with clean engine oil and verify unobstructed oil feed/return before first start.

5. What oil and cooling requirements apply?
Use the oil grade specified for your QSC; ensure clean supply and proper drain angle. If equipped with a water-cooled center housing, verify coolant flow and bleed air.

6. How is balance and performance verified?
Each CHRA is dynamically balanced at multiple speeds and the assembly is validated for flow and boost control to match QSC specifications.

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