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Onan MDKDL 9 kW Marine Generator, 60 Hz

CUMMINS ONAN MDKDL - Onan 9kW Marine Generator, 60 Hz, 1 phase, 120V, 1800 RPM. 3-cylinder, 4-stroke water- cooled Kubota diesel.Self-monitoring capability / network communication.User-friendly diagnostics. EPA & Lloyd's certified. Optional soundshield.5 year limited warranty.*

Part number: MDKDL

**Contact Us For Pricing On Our Marine Generators! 1-800-766-5256, or chat with us below!

Reference: MDKBL

Cummins Onan 9kW Marine Generator - MDKDL

The Cummins Onan 9kW Marine Generator MDKDL, part of Cummins Onan's digital QD (Quiet Diesel) series models, is the first marine generator with self-monitoring capability and network communication. The optional Cummins Onan Digital Display provides user-friendly self-diagnostic features and text display including extensive engine and alternator information.

Cummins Onan Marine Generators, with advanced design and development processes, use technology to lower sound and vibration. The optional sound shield greatly minimizes noise. The optimized mounting system greatly reduces vibration.

The MDKBL is 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, as well as the largest worldwide certified Distributor/Dealer support network in the industry. 

Features of the Onan MDKDL 9kw Marine Generator

• 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 overcrank, 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
• DC control console mounted with isolation and DC protective circuit breakers
• Electric fuel transfer pump for priming and lift capability
• 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 Model

3-cylinder, 4-stroke Kubota diesel


Cummins Onan model

Product Dimensions and Weight

Overall Length

mm (in)

911 (36)

Overall Width

mm (in)

566 (22)

Overall Height

mm (in)

593 (23)


kg (lb)

272 (600) 


120 | 240
75 | 37.5

Onan 9kw marine generator

*The Cummins Onan 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.


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