Engine, Diesel

The Defense Logistics Agency, DLA Land Warren, has issued this sources sought notice to identify potential manufacturers for diesel engines used in the A2 Series High Mobility Multipurpose Wheeled Vehicle (HMMWV). Identified by National Stock Number 2815-01-461-7078 and Part Number (19207) 57K3566, these engines serve as the primary power source for the vehicle, transferring power through the transmission and differentials to provide mobility. The government anticipates a minimum requirement of 69 units with an estimated three-year quantity of 1,035 units.

This market research effort falls under NAICS code 333618, Other Engine Equipment Manufacturing, and PSC 2815, Diesel Engines and Components. Interested parties must undergo qualification testing and evaluation to become an approved source, as qualifying is a prerequisite for competing on future solicitations. Detailed requirements for the Source Approval Request (SAR) package are managed through the TACOM Source Approval Program.

Responses to solicitation number 2026-SPRDL126R0030 are due by January 1, 2026. The place of performance is the United States, and Stephen Granch is the primary point of contact. Supporting documentation includes two attachments: a specification file (SPRDL126R0030 SPI - AK14617078 Rev B.pdf) and a technical data package for the engine and its container (SPRDL126R0030 TDP - Diesel Engine with Container EH3L0158EH.zip), both published on May 11, 2026.