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Home / Cummins Inc / Cummins Engines

Cummins QSB6.7 Slimline Diesel Engine

Cummins QSB6.7

Categories: Cummins Engines, Cummins Inc Tag: QSB 6.7
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Cummins QSB6.7 ‘Slimline’ marine propulsion for Commercial or Recreational Applications.

The 6.7 propulsion engine is available as a ‘slimline’ model. The slimline engine being a suitable alternative if considering replacement of the previous QSB5.9. Drawings are available upon request. This engine is an inline, 6.7L 6 cylinder, 4-stroke diesel engine. Turbocharged and Aftercooled. Available from 355Hp – 425Hp.

Features and Benefits

  • Engine Design – Unmatched performance driven through a perfectly matched turbocharger and a new 24-valve cylinder head that delivers industry-leading power density. Maximize vessel performance and access comprehensive vessel diagnostic information via SmartCraft ® electronics. Peace of mind delivered by the Cummins Captain’s Briefing and global service network
  • Fuel System – Bosch HPCR with hardened components to safely operate alternative fuels such as kerosene and JP8/JP5. Quiet operation, including an 80-percent reduction in noise at idle. Enhanced sociability virtually eliminates smoke and improves the whole boating experience.
  • Lubrication System – Front-mounted filters. Oil service interval increased to 500 hours if using ULSD fuels
  • Cooling System – Single loop, low temperature aftercooling eliminates the need for two keel coolers and lowers emissions. Tube and shell heat exchanger designed for superior durability and ease of service with minimal maintenance requirements. Fan drive available for radiator cooled configurations
  • Air Intake System – New Walker air filter significantly reduces noise
  • Exhaust System – Cast water cooled exhaust manifold for lower surface temperatures, safety and improved performance
  • Electrical System – 12V and 24V, isolated and non-isolated, systems available
  • Electronics — 24V Quantum System electronics feature a proven ECM to monitor operating parameters such as fuel consumption, duty cycle, engine load and speed, while providing diagnostics, prognostics and complete engine protection. Simplified electrical customer interface box for all vessel connections to reduce installation complexity
  • Certifications – Complies with U.S. EPA Tier 3 emissions regulations without the use of aftertreatment. Designed to meet the International Association of Classification Societies (IACS) and SOLAS requirements. Consult your local Cummins professional for a complete listing of available class approvals.

Optional Equipment

  • Engine Controls: Digital Throttle and Shift; Electronic Throttle and Shift (ETS) and optional potentiometer for mechanical controls
  • Instrumentation: C-Command Basic or Premier
  • Vessel System Integration: C-Command Basic or Premier

QSB6.7 Propulsion Engine - Commercial Ratings

Engines are supplied with different ratings:
Heavy Duty (HD): Intended for continuous use in variable load applications with a load factor of 60–75 percent. Full power is limited to 10 hours out of every 12 hours of operation. Reduced power operations must be at or below 80 percent load.
Intermittent (INT): Intended for intermittent use in variable load applications with a load factor of 20–40 percent. Full power is limited to two out of every eight hours of operation. Reduced power operations must be at or below 80 percent load.
Light Duty (LD): Intended for intermi ent use in variable load applications with a load factor of 10–30 percent. Full power is limited to one hour out of every eight hours of operation. Reduced power operation must be at or below 80 percent load.

kWHPRPMRatingEPA
1842502600Heavy3
2243052600Medium Continuous3
2613553000Intermittent3
2803803000Intermittent3
3124253000Intermittent3
3534803000Intermittent3
3534803300Light Duty3
4045503300Light Duty3

QSB6.7 Slimline Product Dimensions

Length (mm)Width (mm)Height (mm)Weight (kg)
748827874630
Please note that these are actual weights and dimensions of the product. For shipping or collection purposes, please call us and we will be able to calculate the additonal weight of the shipping crate/accessories etc.

Whole Goods ie Engines and Generators can be shipped worldwide. We use a long established firm for our freight movements, they handle collections from our site, onward paperwork as required and we always ship with insurance on the goods. Our shipping terms are DAP (Delivered at Place), will means that any import and clearance taxes are liable to the customers account once in the final destination. For further details please contact us.

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Seapower Marine Ltd
Woolverstone Marina
Woolverstone
Ipswich IP9 1AS

Tel: +44 (0)1473 780090
Email: info@seapowermarine.co.uk

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  • ENGINES
    • MODEL
      • Cummins B4.5 Diesel Engine
      • Cummins QSB6.7 Diesel Engine
      • Cummins QSB6.7 Slimline Diesel Engine
      • Cummins QSC8.3 Diesel Engine
      • Cummins QSL9 Diesel Engine
      • Cummins QSM11 Diesel Engine
      • Cummins X15 Diesel Engine
      • Cummins B4.5 Auxiliary Diesel Engine
      • Cummins BT5.9 Auxiliary Diesel Engine
      • Cummins QSB7 Auxiliary Diesel Engine
      • Cummins QSM11 Auxiliary Diesel Engine
      • Cummins X15 Auxiliary Diesel Engine
  • GENERATORS
    • GENERATORS
      • MDKBH|BJ|BW 4-6-8kW 12V Generator
      • MDKDL 7-9kW 12-24V Generator
      • MDKDM|DN 9.5-11kW 12-24V Generator
      • MDKDP|DR|DV 13.5-19kW 12-24V Generator
      • MDKDT|DU 22.5-29kW 12-24V Generator
      • Cummins QSB7E Onan Generator
  • SERVICES
  • PARTS & ACCES
  • TECHNICAL
    • ENGINES
    • GENERATORS
    • GEARBOXES & EXHAUST SYSTEMS
    • COMPANY DOCUMENTS
    • HOW DO I
    • OTHER PRODUCTS
  • PROJECT GALLERY
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