The Department of Defense, specifically the Department of the Army through the W07V Endist Memphis office, is seeking qualified contractors for the repair of a D6T Dozer, focusing on the replacement of the rear main seal due to an oil leak affecting the transmission. The contractor will be responsible for washing the machine, removing and replacing the rear main seal, reinstalling the engine, and refilling the transmission fluid, all while adhering to government specifications and using only new or remanufactured Caterpillar parts. This procurement is crucial for maintaining the operational readiness of government equipment, with a firm-fixed-price contract expected to be awarded within 75 days of the announcement. Interested vendors must respond with their qualifications, including prior experience and business size, to primary contact Kendell M. Riley at kendell.m.riley@usace.army.mil or secondary contact Kirk Middleton at kirk.a.middleton@usace.army.mil.