How to bid on F139 (PW 4062-3) Zero-time Spare Engines for the DEPT of Defense

What the agency is buying

The Department of Defense is seeking F139 (PW 4062-3) zero-time spare engine cores. These engines are needed to support the KC-46A aircraft fleet.

The requirement includes an estimated quantity of 12 engines over a three-year base period. There is also an option for an additional seven engines over two optional years, making a potential total of 19 engines.

Key dates and deadlines

This solicitation was published on August 10, 2026. Proposals are due by October 9, 2026, at 3:00 PM Central Daylight Time (CDT).

All proposals must be submitted by this deadline. Late submissions may not be considered.

Who this opportunity suits

This opportunity is suitable for firms that can supply F139 (PW 4062-3) zero-time spare engine cores. The acquisition is for equipment and is not set aside for small business concerns.

Vendors with experience in providing aircraft engine components, particularly for military aircraft, would be well-suited for this bid.

How to respond

To access the solicitation, click “View original source” to open the opportunity on the portal. If the first click takes you to the portal’s homepage, click it again to go directly to the bid. You may need a free account to view documents, though this is not always required.

Proposals are preferred via email. For information regarding this solicitation, you can contact Shawnda S. Stevens, Principal Contracting Officer, at [email protected] or by phone at (405) 734-2017. Proposals are due at Tinker Air Force Base, Oklahoma.

Tips for preparing a competitive response

Carefully review all attached documents in the Request for Proposal (RFP), including any solicitation provisions and contract clauses. Ensure your proposal addresses all requirements for the F139 engine cores.

Pay close attention to the delivery and acceptance dates and locations, as well as the F.O.B. point, which are detailed in the RFP. Clearly outline your pricing for both the base period and the optional periods, as the contract will be Firm Fixed Price.

Since emailed proposals are preferred, ensure your submission is well-organized, complete, and sent in a timely manner before the deadline. Confirm receipt if possible.