Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 5 kW |
| Standby kVA | 6 |
| Oil capacity | 3.78 L |
| Voltage options | 12 V |
| Battery cranking | 360 CCA |
| Battery voltage | 12 V |
| Coolant capacity | 2 L |
| Dimensions (L×W×H) | 709×545×595 mm |
| Dry weight | 172 kg |
Engine
| Oil capacity | 4.73 L |
|---|---|
| Coolant capacity | 2.8 L |
| Displacement | 0.479 L |
| Aspiration | Water Cooled |
| Rated speed | 3600 rpm |
Maintenance & consumables
for the Kubota Z482B| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter | 1522211223 | 720 hr | PartsGeek | |
| Fuel filter | Fuel System | 1627143560 | 3600 hr | PartsGeek | |
| Oil filter | Oil Filter | 7665025430 | 1800 hr | PartsGeek $7.98 | |
| Belt | — | 3600 hr | find | ||
| Coolant | — | ||||
| Coolant filter | Cooling System | — | 1800 hr | find | |
| Oil | Change the oil and filter at the intervals listed in the Maintenance Schedule. Use oil that meets the API classification and SAE viscosity grade indicated in the Pre-Start section. | — |
Common questions
What is the power rating of the Cummins/Onan MDKUB?
The Cummins/Onan MDKUB is rated 5 kW standby (6.0 kVA).
What engine does the Cummins/Onan MDKUB use?
The Cummins/Onan MDKUB is powered by the Kubota Z482B engine.
What fuel does the Cummins/Onan MDKUB use?
The Cummins/Onan MDKUB runs on Diesel.
What is the oil capacity of the Cummins/Onan MDKUB?
The Kubota Z482B engine in the Cummins/Onan MDKUB has an oil capacity of 4.73 liters.
What oil filter does the Cummins/Onan MDKUB use?
The Cummins/Onan MDKUB uses oil filter part number 7665025430.
What fuel filter does the Cummins/Onan MDKUB use?
The Cummins/Onan MDKUB uses fuel filter part number 1627143560.
What air filter does the Cummins/Onan MDKUB use?
The Cummins/Onan MDKUB uses air filter part number 1522211223.
Troubleshooting
8Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Dizziness | Get out into the fresh air immediately. If symptoms persist, seek medical attention. Shut down the unit and do not operate until it has been inspected and repaired. | |
| Muscular Twitching | Get out into the fresh air immediately. If symptoms persist, seek medical attention. Shut down the unit and do not operate until it has been inspected and repaired. | |
| Vomiting | Get out into the fresh air immediately. If symptoms persist, seek medical attention. Shut down the unit and do not operate until it has been inspected and repaired. | |
| Weakness and Sleepiness | Get out into the fresh air immediately. If symptoms persist, seek medical attention. Shut down the unit and do not operate until it has been inspected and repaired. | |
| Inability to Think Coherently | Get out into the fresh air immediately. If symptoms persist, seek medical attention. Shut down the unit and do not operate until it has been inspected and repaired. | |
| Low Oil Pressure | Oil level is low. | Add oil to bring the level up to full mark. Inspect engine exterior for leaks and repair as necessary. |
| High Coolant Temperature | Check coolant level in the exhaust manifold after allowing the engine to cool down. Ensure pump belt is OK and has proper tension. The raw water flow at the exhaust outlet should be about 3 gal./min. (11.4 liter/min.). Also check cooling system cleanliness. | |
| High Exhaust Temperature | The high exhaust temperature switch closes on temperature rise above 230° F (110° C). It closes to shut down the set if raw water flow is lost. It opens again when the temperature reaches about 190° F (88° C). |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
28| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-3478-01 | Sea Water Pump Impeller Kit - 2 | 2 | Pump | PartsGeek |
| 100-3478-07 | Fuel Filter - 2** | 2 | Fuel filter | PartsGeek |
| 12010973 | WEATHERPACK FEMALE CONNECTOR (FEM) | Connector | PartsGeek | |
| 12015792 | WEATHERPACK MALE CONNECTOR (MALE) | Connector | PartsGeek | |
| 132-0310 | Sea Water Pump Impeller kit w/cover & gasket | Impeller | PartsGeek | |
| 132-0311 | Sea Water Pump Impeller | Impeller | PartsGeek | |
| 149-1914-01 | Fuel Filter Element (Remote) | 1 | Fuel filter | PartsGeek |
| 149-2106 | Fuel Filter Element | 1 | Fuel filter | Amazon eBay $36.99 PartsGeek |
| 155-2033 | Stainless Steel Exhaust Elbow, 90 degrees, 2 inch OD | 1 | Hose | PartsGeek |
| 155-3147 | Water Separator with Resonator (WL & RES) | 1 | Fuel filter | PartsGeek |
| 185-5421 | Plug, Glow | 4 | Glow plug | Amazon eBay PartsGeek |
| 185-5801 | Oil Filter | Oil filter | PartsGeek | |
| 503-1353 | Wet Exhaust Hose | 1 | Hose | PartsGeek |
| 511-0183 | Water Pump Belt | Belt | PartsGeek | |
| ES2085s | 35 AMP ALTERNATOR | 1 | Alternator | PartsGeek |
| EXS-1190s8 | EXHAUST MUFFLER | Muffler | PartsGeek | |
| FS1886s | Throttle Control Levers | Throttle control levers | PartsGeek | |
| M1928s | Brush Block Assembly | Brush block | PartsGeek | |
| M19946 | BYPASS THERMOSTAT | Thermostat | PartsGeek | |
| M1995s | Radiator - Condenser Mounting Bolts (6) | 6 | Bolt | PartsGeek |
| 130-4434 | Zinc Pencil | 1 | Service part / kit | eBay $32.94 PartsGeek |
| 155-2030 | Waterlift Muffler (WL) | 1 | Service part / kit | PartsGeek |
| 185-5523 | Crankcase Breather | 1 | Service part / kit | PartsGeek |
| 981-0514 | Kubota Workshop manual | Service part / kit | PartsGeek | |
| 981-0515 | Red Dot Service Manual | Service part / kit | PartsGeek | |
| CS1312-1 | CROSS-SECTION VIEW HULL STRAINER SEA COCK RECOMMENDED WATER STRAINER OR FILTER FLUSH THROUGH-HULL FITTING TO GENSET | Service part / kit | PartsGeek | |
| EXS1191S | siphon break | 1 | Service part / kit | PartsGeek |
| EXS1192s | siphon break | 1 | Service part / kit | PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Full_load | 100% | 0.52 | |
| Half_load | 50% | 0.37 | |
| Prime | |||
| Standby |
Available documents
Spec sheet — 981-0262C Onan MDKUB MDKWB Spec A-E Parts Manual (3-2000) (Cummins/Onan)Operator's manual — 981-0151 Onan MDKUB MDKWB Operator's Manual (11-2009) (Cummins/Onan)Operator's manual — 981-0151B Onan MDKUB MDKWB Operator's Manual (1-1998) (Cummins/Onan)Reference — 981-0602 Onan MDKUB MDKWB Spec E-J Install Manual (2-2010) (Cummins/Onan)Parts manual — 981-0262 Onan MDKUB MDKWB Spec A-G Parts Manual (7-2014) (Cummins/Onan)Parts manual — DK-Kohler (Cummins/Onan)Parts manual — F-0672M Cummins-Onan Marine Generator Accy & Support Catalog (07-2003) (Cummins/Onan)Parts manual — F-1229D Onan Marine Service Parts & Maintenance Schedule Card (09-2002) (Cummins/Onan)Parts manual — cruisekitorderService manual — 981-0134 Onan MDKUB MDKWB Operator's Manual (4-1994)Service manual — 981-0145 Onan MDKUB MDKWB Operator's Manual (7-1994) (Cummins/Onan)Service manual — 981-0512 Onan MDKUB MDKWB Service Manual (6-1994) (Cummins/Onan)