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Home / Cummins Onan / Onan Marine Generators

MDKDT|DU 22.5-29kW 12-24V Generator

Category: Onan Marine Generators
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Quiet Diesel TM Marine Generator Set – 22.5 / 27 /29 kW

  • Engine Details – 4-cycle, water-cooled Kubota marine diesel. Displacement of 3318cm3 (202.48in3 )
  • 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 13.7L (14.5 qt). Coolant flow rate of 43.5L/min (11.5 gal/min) for 50Hz ratings and 53.0L/min (14.0 gal/min) for 60Hz ratings
  • Lubrication System – Marine grade oil pan with a capacity of 11.4 L (11 qt), plus an oil drain and hose extension for ease of maintenance

Alternator Details

  • Design – Cummins Onan brushless, revolving field, 4-pole alternator, rigidly coupled to engine and permanently aligned
  • Voltage Regulator – Solid state, circuit board encapsulated for corrosion protection
  • Stator – Skewed stator and 2/3 pitch windings minimize field heating and voltage harmonics; resin-coated for corrosion protection
  • Rotor – Dynamically balanced assembly; directcoupled to engine by flexible drive discs; supported by pre-lubricated, maintenance-free ball bearings
  • Cooling – Direct drive centrifugal blower Insulation System – Class H per NEMA MG1-1-1.65 and BS 5000

MDKDT|DU|DS 22.5-29kW Onan QD Generator Ratings

Our stock generators are generally HX (Heat Exchange Coolers), however they are available as KC (Keel Cooled), and we can re-configure HX sets to be KC in our workshop. 60Hz versions are EPA3 emission compliant.
ModelkWekVaHzRPMPhaseVoltageAmps
MDKDT22.522.55015001110 | 220
115 | 230
120 | 240
205 | 102
196 | 97.8
188 | 93.8
MDKDT22.528.15015003220 | 38042.7
MDKDU27275015001110 | 220
115 | 230
120 | 240
245 | 123
235 | 117
225 | 113
MDKDU2733.85015003220 | 38051.3
MDKDS (EPA 3)29296018001120 | 240241.7 | 120.8
MDKDS (EPA 3)2936.26018003120 | 208100.6

MDKDT|DU|DS Fuel Consumption

kWeHz1/4 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)
22.5503.0 (0.8)4.0 (1.1)5.2 (1.4)7.0 (1.8)
27503.0 (0.8)4.7 (1.2)6.2 (1.6)9.1 (2.4)
29603.9 (1.0)5.6 (1.5)7.6 (2.0)10.7 (2.8)

MDKDT|DU|DS Product Dimensions

MODELLength (mm)Width (mm)Height (mm)Weight (kg)
MDKDT1358622761601
MDKDU/DS1358622761626
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
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