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Cummins Onan Quiet Diesel MDKBK (7/9 kW space saver) Generator

Cummins Onan Cummins Onan Quiet Diesel MDKBK (7/9 kW space saver) · ON-MDKBK family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.

🚜 Base engine confirmed

The Cummins Onan Quiet Diesel MDKBK (7/9 kW space saver) is powered by a Kubota D1105 industrial diesel; its internal service parts cross to Kubota D1105 part numbers. source

3-cylcylinders
from 2005year range (approx)
📋 Full specifications 5 🚜 Industrial / tractor base 366 🔧 Aftermarket 6

Parts by section · 69 assemblies

The exploded parts diagrams for the Cummins Onan Quiet Diesel MDKBK (7/9 kW space saver), grouped by system. Open a figure for its callout part numbers and per-variant quantities.

Body

Fig 18 — Nozzle Holder and Glow Plug (Spec A)Fig 19 — Nozzle Holder and Glow Plug (Spec B−D)Fig 20 — Nozzle Holder Components (Spec A−D)Fig 21 — Nozzle Holder and Glow Plug (Begin Spec E)Fig 22 — Nozzle Holder Components (Begin Spec E)Fig 25 — Water Flange (Spec A−D)Fig 26 — Water Flange (Begin Spec E)Fig 29 — Gearcase (Spec A−D)Fig 30 — Gearcase (Begin Spec E)Fig 38 — Water Separator/MufflerFig 39 — Remote Water SeparatorFig 40 — Remote Water Separator ComponentsFig 49 — Coolant Recovery TankFig 53 — ResonatorFig 55 — Grounding (Spec A−C)Fig 56 — Grounding (Begin Spec D)Fig 57 — Isolation GroundFig 60 — Belt GuardFig 76 — Labels, Gasket, Kits

Cooling

Fig 31 — Captive Water Pump ComponentsFig 42 — Heat Exchanger (Spec A−D)Fig 43 — Cooling System (Spec A−C)Fig 44 — Cooling System (Begin Spec D)Fig 45 — Keel Cooling System (Begin Spec D)Fig 46 — Raw Water Pump Components (Spec A−B)Fig 47 — Raw Water Pump Components

Crankshaft & Pistons

Fig 2 — PistonFig 3 — CrankshaftFig 5 — FlywheelFig 8 — Main Bearing Case (Spec A−D)Fig 9 — Main Bearing Case (Begin Spec E)

Electrical

Fig 6 — Starter ComponentsFig 32 — Alternator (Spec A−E)Fig 34 — Alternator ComponentsFig 63 — Control Box Mounting (Spec A−C)Fig 64 — Control Box (Spec A−C)Fig 65 — Control Box (Begin Spec D)Fig 66 — Control Panel Components (Spec A−C)Fig 67 — Control Panel Components (Begin Spec D)Fig 68 — Control Panel ComponentsFig 69 — Control Panel (Spec A−C)Fig 70 — Control Panel (Begin Spec D)Fig 71 — Remote Control PanelFig 72 — Remote Switch PanelFig 73 — Control Harness (Spec A−C)Fig 74 — Control Harness (Begin Spec D)Fig 75 — Wiring Harnessers

Engine Block & Head

Fig 1 — Cylinder BlockFig 17 — Cylinder HeadFig 27 — Cylinder Head CoverFig 28 — Cylinder Head Cover (Begin Spec B)

Fuel

Fig 12 — Speed Control PlateFig 14 — Injection PumpFig 16 — Injection Pump ComponentsFig 35 — Fuel PumpFig 41 — Governor Actuator

Generator

Fig 61 — Generator

Inlet & Exhaust

Fig 54 — Exhaust Manifold

Lubricating

Fig 50 — Oil System (Spec A−C)Fig 51 — Oil System (Begin Spec D)Fig 52 — Oil Pan

Transmission & Mounting

Fig 58 — Mounting Base (Spec A−C)Fig 59 — Mounting Base (Begin Spec D)Fig 62 — PCB Mounting (Spec A−C)

Valve Train

Fig 4 — CamshaftFig 10 — Fuel Camshaft (Spec A)Fig 11 — Fuel Camshaft (Begin Spec B)Fig 23 — Valve and Rocker ArmFig 48 — Vacuum Relief Valve
📚 Manuals & Sources
Specs— none yet
Operator's Manual
Service / Workshop Manual— none yet
Parts Catalog / List
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Category
Generator
Engine family
ON-MDKBK
Year range (approx)
from 2005
Cylinders
3