Air Combat Command issued a purchase order to Arnold Machinery Co on April 6, 2026, for removal and replacement of a Yanmar engine in a Hyster forklift, with a ceiling value of $4,080.00. Work is to be performed at Davis-Monthan Air Force Base, Arizona, with an ultimate completion date of April 27, 2026. The order is firm fixed price with no set-aside designation. The procurement originated as a sources-sought notice (RFI FA4877-26-Q-A101) posted April 3, 2026, seeking authorized Yanmar engine service installers to perform the engine removal and installation in accordance with Original Equipment Manufacturer guidelines using certified technicians and genuine OEM parts.