Cummins Onan MDKDK - Onan 9kW 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 9kW 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

Onan MDKDK 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

Onan 9kW Marine 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 

Warranty Policy

The Cummins express written limited warranty covers virtually everything except routine maintenance for the first two years you own your marine generator set, and covers parts and labor on major power train and generator set parts during the third through fifth years. Optional extended warranty available.