Cummins Onan MDKDK 9 Kw Marine Generator – Space Saver
- The Cummins Onan Digital Display provides user-friendly diagnostics including extensive engine and alternator information and more
- Largest worldwide certified Distributor/Dealer support network in the industry
- The optimized mounting system greatly reduces vibration
- Electronic frequency control – a must for digital appliances and computers requiring quality power
- Cummins Onan marine generator sets are emissions certified to U.S. Environmental Protection Agency (EPA) emission standards
- More than 90 years of marine experience stand behind every Cummins Onan Marine generator set
Engine Details
- Design – 3-cylinder, 4-cycle, IDI water-cooled Kubota 1123 cm3 (68.58 in3 ) marine diesel
- Fuel System – Electric fuel transfer pump for priming and lift capability. Max fuel lift of 1.22 m (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 4 L (4.2 qt). Coolant flow rate of 15.9 L/min (4.2 gal/min) for 50 Hz ratings and 18.9 L/min (5.0 gal/min) for 60 Hz ratings
- Lubrication System – Marine grade oil pan with a capacity of 4 L (4.2 qt), plus an oil drain and hose extension for ease of maintenance
Alternator Details
- Design – Onan brushless, revolving field, 4-pole; rigidly coupled to engine and permanently aligned
- Voltage Regulator – Solid state, circuit board encapsulated for corrosion protection
- Exciter System – Brushless with 8-pole stator mounted in endbell; rotating rectifier assemblies are encapsulated for protection from adverse environments
- Stator – Skewed stator and 2/3 pitch windings minimize field heating and voltage harmonics; resincoated 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
Generator Set Performance
- Frequency Regulation – Isochronous
- Random Frequency Variation – Will not exceed +/-0.5% of its mean value for constant loads from no load to full load
- Voltage Regulation – No load to rated load +/-1.5%
- Communications Protocol – Optional SAE J-1939 CAN data link for monitoring generator set status, as well as engine and alternator diagnostics
