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Home / Cummins Onan / Onan Marine Generators

MDKBH|BJ|BW 4-6-8kW 12V Generator

SKU: MDKBH 4kW 12V NEG Category: Onan Marine Generators
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Quiet Diesel TM Marine Generator Set – 4 / 5 kW

  • Engine Details  – 2-cylinder, 4-stroke, water-cooled Kubota 479 cm 3 (29.23 in3 ) marine diesel
  • Fuel System – Electric fuel transfer pump for priming and lift capability. Max fuel lift of 1.22m (4 ft)
  • Cooling System – Freshwater cooling system with heat exchanger, expansion tank and coolant recovery system. Coolant overflow bottle to easily maintain coolant level. Coolant capacity of 2.1L (2.2 qt). Coolant flow rate of 11 L/min (3 gal/min) for 50Hz ratings and 13L/min (3.5 gal/min) for 60Hz ratings
  • Lubrication System – Marine grade oil pan with a capacity of 2.1 L (2.2 qt), plus an oil drain and hose extension for ease of maintenance

Quiet Diesel TM Marine Generator Set – 6  /7.5 / 8 kW

  • Engine Details – 3-cylinder, 4-cycle, water-cooled Kubota 719cm3 (43.88in3 ) marine diesel
  • Fuel System – Electric fuel transfer pump for priming and lift capability. Max fuel lift of 1.22m (4 ft)
  • Cooling System – Freshwater cooling system with heat exchanger, expansion tank and coolant recovery system. Coolant overflow bottle to easily maintain coolant level. Coolant capacity of 3.1L (3.3 qt). Coolant flow rate of 35L/min (39.2 gal/min) for 50Hz ratings and 29 L/min (7.7 gal/min) for 60Hz ratings
  • Lubrication System – Marine grade oil pan with a capacity of 3L (3.2 qt), plus an oil drain and hose extension for ease of maintenance

MDKBH|BJ|BW 4-5-8kW Onan QD Generator Ratings

Generators are only available as HX (Heat Exchange Coolers), available as 50 or 60Hz. It is possible to order Negative or Isolated Ground Sets, however negative is the standard sets we hold in stock.
ModelkWekVaHzRPMPhaseVoltageAmps
MDKBH445024001110 | 220
115 | 230
120 | 240
36.4 | 18.2
34.8 | 17.4
33.3 | 16.6
MDKBH55602900112041.7
MDKBJ665024001110 | 220
115 | 230
120 | 240
54.5 | 27.3
52.2 | 26.1
50.0 | 25.0
MDKBJ7.57.5602900112062.5
MDKBW885028001110 | 220
115 | 230
120 | 240
72.7 | 36.4
69.6 | 34.8
66.6 | 33.3

MDKBH|BJ|BW Fuel Consumption

ModelkWeHz1/4 Load L/Hr (Gal/hr)1/2 Load L/Hr (Gal/hr)3/4 Load L/hr (Gal/hr)Full Load L/hr (Gal/hr)
MDKBH4500.08 (0.21)1.0 (0.28)1.3 (0.35)1.7 (0.44)
MDKBH5601.0 (0.27)1.3 (0.35)1.7 (0.44)2.1 (0.55)
MDKBJ6501.12 (0.30)1.46 (0.39) 1.84 (0.48)2.28 (0.60)
MDKBJ7.5601.40 (0.37)1.85 (0.48)2.33 (0.61)2.93 (0.70)
MDKBW8501.41 (0.37)1.85 (0.49)2.35 (0.62)2.97 (0.78)

MDKBH|BJ|BW Product Dimensions

MODELLength (mm)Width (mm)Height (mm)Weight (kg)
MDKBH662511524166
MDKBJ/BW664583535195
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
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