Natural gas compression and power generation. Waukesha, Caterpillar, White Superior. Describe the fault and get causes and checks, with the manual page cited.
Gas compression and power generation. Ask about a knock under load on a Waukesha 7042 or a climbing exhaust temperature on a CAT 3516, in the words you would use to a colleague.
Upload the OEM manual, the service bulletin, the retrofit sheet. Answers cite the page they came from, so you can go and read it yourself before you turn a bolt.
Anything you upload is scoped to your account. It is never added to a shared corpus and never used to answer anybody else.