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Home / Cummins Inc / Cummins Engines

Cummins B4.5 Diesel Engine

Cummins QSB4.5 Available as 150, 230 and 250Hp – HX or KC

Category: Cummins Engines
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The latest addition to the Cummins range of engines – 4.5L – 4 cylinder, 4-stroke diesel. Turbo charged and aftercooled.

Propulsion – Ratings from 150 to 250 bhp (Commercial – Heavy, Intermittent and Light Duy and Recreational – High Output)
Auxiliary – Prime ratings from 76 to 129 kW, 50 and 60 Hz

• EPA 3, IMO2, and EU Stage V emissions certifications at initial launch, with additional certifications to follow
• HX and KC versions available
• KC uses Single Loop cooling with both aftercooler and water jackets in same loop (one keel cooler per engine needed)

Lower ratings are non-aftercooled and turbocharged; higher ratings are aftercooled and turbocharged
Bosch HPCR fuel system, CM2350 ECM, SAE 3 flywheel housing.
Available with ‘deep or shallow’ sump
Supplied with Balancer Assembly

B4.5 Propulsion Engine - Commercial Ratings

kWHPRPMRatingEPA
1121502500Heavy3
1722302600Intermittent3
1862502600Light3
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 intermittent 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.

B4.5 Propulsion Engine - Recreational Ratings

kWBHPRPMRatingEPARCD
1722302600High Output32
1862502600High Output32
Recreational engines are supplied with a rating of High Output (HO) - Intended for infrequent use in variable load applications with a load factor of 10–30 percent. Full power is limited to one out of every eight hours of operation. Reduced power operation must be at or below 80 percent load.

B4.5 Fuel Consumption

HPRPMRatingRated L/hr (Gal/hr)
1502500Heavy32.4 (8.6)
2302600Intermittent/High Output47.0 (8.7)
2502600Light/High Output51.4 (13.6)

B4.5 Product Dimensions

Length (mm)Width (mm)Height (mm)Weight (kg)
508862877545
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), which 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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