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Cummins/Onan 80MDKAL11454B — Engine Oil Change

Maintenance · engine crankcase

For the Cummins/Onan 80MDKAL11454B, from the Cummins/Onan operator's manual.

Applies to: Cummins/Onan MDKAL, Kubota D1005 engine

Before you start

  • Hot crankcase oil can cause burns; keep hands clear and wear protective clothing.
  • Contact with used engine oil can cause cancer or reproductive toxicity; wash hands after use.
  • Use one wrench to hold the fitting and another to loosen the plug to avoid damage to the drain hose.

Parts for this job

Part numbers from the service-parts lists for Cummins/Onan MDKAL, Kubota D1005 engine. Verify against your serial number before ordering; some links are affiliate links.

Procedure

  1. Run the engine until thoroughly warm.
  2. Stop the engine and unscrew the plug on the end of the drain hose.
  3. Drain the oil into a suitable container.
  4. When the oil is completely drained, replace the plug and return the hose to its storage position.
  5. Refill the crankcase with new oil and dispose of used engine oil properly.

Tools required

  • wrench (to hold drain hose fitting and loosen plug) Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Refill with 4.25 L (4.5 qt) including filter

Full service-parts list: Cummins/Onan MDKAL →, Kubota D1005 engine →

Source: Cummins/Onan operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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