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Cummins/Onan 5.6TGHAA11381C — Genset Break-In

Operation · engine

For the Cummins/Onan 5.6TGHAA11381C, from the Cummins/Onan operator's manual.

Applies to: Cummins/Onan TGHAA

Procedure

  1. Run genset at 1/2 rated power for first 2 hours.
  2. Run genset at 3/4 rated power for next 2 hours.
  3. Check oil level twice a day or every 4 hours during first 24 hours.
  4. Change oil after first 50 hours of operation.

Specs & values

  • Mobil 1 Formula 15W-50 synthetic motor oil or equivalent

Full service-parts list: Cummins/Onan TGHAA →

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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