What are the opening hours?

Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm Saturday 8am - 12pm

Gallagher Diesel Services LLC

06/11/2026

What's the BEST diesel engine ever made?

🔥CAT🔥CUMMINS🔥DETROIT🔥PACCAR🔥

Drop your answer in the comments and let's see who wins!👇

04/23/2026

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915 Deere Drive
Ardmore, OK
73401