• The digital QD (Quiet Diesel) Series models are the first marine generator sets with self-monitoring capability and network communication
• The Cummins Onan Digital Display provides user-friendly diagnostics including extensive engine and alternator information, self-diagnostic features and text display
• Cummins Onan Marine Generators with advanced design and development processes use technology to lower sound and vibration. Our sound shields minimize noise and deliver better sound quality. 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

Standard Features

• Advanced digital electronic control providing extensive diagnostic capability
• Shutdown with diagnostic indicator light for: high engine coolant temperature, high exhaust temperature, low oil pressure, over speed/voltage, starter over crank, no raw water flow, additional customer input and many more
• Start-run-stop switch with glow plug preheat and fuel pump priming modes for easy starting; run light and diagnostic indicator light
• Start function has automatic glow plug preheat providing better, cleaner starting
• Engine starter with automatic start disconnect
• Electronic governor allows the generator set to maintain isochronous frequency control and close voltage regulation to provide quality power for digital appliances and computers
• Switchable between 50/60 Hz
• Single phase AC alternator with single or dual voltages, brushless
• Digital voltage regulator integral with control
• 12 V DC electric system with battery charging, negative ground
• Electric fuel transfer pump for priming and lift capability
• DC control console mounted with isolation and DC protective circuit breakers
• Freshwater cooling system with heat exchanger, expansion tank and coolant recovery system
• Water cooled exhaust mixing elbow
• Gear-driven raw water pump
• AC mainline circuit breaker
• Running time meter
• Air intake silencer
• Captive focalized mounting systems with vibration isolators
• Full flow lube oil filter
• Oil drain and hose extension
• Electric fuel shut-off via electronic governing actuator
• Fuel filter/water separator
• Drip pan base capable of containing all generator set fluids
• Bulk head type connections for ease of installation include fuel in, fuel out, battery, raw water inlet, wet exhaust, generator set ground (vessel bond)
• Single point lifting bracket for ease of installation
• Plug-in watertight connector for optional remote control
• Closed crankcase breather re-circulation to eliminate engine room contamination
• Coolant overflow bottle to easily maintain coolant level
• Fire extinguisher access port
• Factory load tested
• Five year limited warranty

Engine Details

• Design – 4-cylinder, 4-cycle, IDI water-cooled Kubota 1498 cm3 (91.41 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 5 L (5.3 qt). Coolant flow rate of 15.9 L/min (4.2 gal/min) for 50 Hz ratings and 18.9 L/min (5 gal/min) for 60 Hz ratings
• Lubrication System – Marine grade oil pan with a capacity of 4.3 L (4.5 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
• Stator – Skewed stator and 2/3 pitch windings minimize field heating and voltage harmonics; resin-coated for corrosion protection
• Exciter System – Brushless with 8-pole stator mounted in endbell; rotating rectifier assemblies are encapsulated for protection from adverse environments
• Rotor – Dynamically balanced assembly; direct- coupled to engine by flexible drive discs; supported by pre-lubricated, maintenance-free ball bearings
  
• Insulation System – Class H per NEMA MG1-1-1.65 and BS 5000
• Cooling – Direct drive centrifugal blower
  

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%
• Random Voltage Variation – Will not exceed +/- 1% of its mean value for constant loads from no load to full load

Standards and Testing

• National Marine Manufacturers Association (NMMA) and American Boat and Yacht Council (ABYC) member
• This generator set was designed and manufactured in facilities certified to ISO 9001
• Lloyd’s Register Type Approval for marine, offshore and industrial applications

Product Dimensions and Weight