The Department of Defense, through the Defense Logistics Agency (DLA Land Warren), is seeking sources for the procurement of Diesel Engines, specifically the Caterpillar C18 Euro III engine, which is critical for powering the Heavy Equipment Transport (HET) Model M1070 Truck and M1000 Trailer. The requirement includes a quantity of 49 engines, with an option for an additional 49, emphasizing the need for reliable and efficient power sources to support military operations. This procurement is part of a Source Sought Notice (SPRDL125R0087), and interested parties must undergo qualification testing and evaluation to become approved sources, which will allow them to compete for future solicitations. Responses are due by January 28, 2025, and inquiries can be directed to Patricia M. Roussin at patricia.roussin@dla.mil or by phone at 586-467-1174.