XM1 Tank's Reliability is Still Uncertain.
GENERAL ACCOUNTING OFFICE WASHINGTON DC PROCUREMENT AND SYSTEMS ACQUISITION DIV
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Because of the uncertainty of the tanks performance with the turbine engine, members of the Congress have suggested on several occasions that the Army develop a backup diesel engine. If this were to be done, it would have to be tested in the same manner as the turbine. Switching to a diesel could possibly delay fielding the tank. However, if reliability and durability problems continue to plague the tank when operating with the turbine engine, the diesel would seem to offer the better alternative. The Army, however, shows no enthusiasm for pursuing this alternative, maintaining that the turbine has proven its reliability. The Secretary of Defense is reconvening the panel early in 1980 to further assess the engines performance and reliability. Although recent tests indicate that the XM1 has made consistent progress, its performance should be tempered with the realization that the many corrective modifications made to the tank in the past year are still to be tested in a combat environment. The tanks potential performance on the battlefield cannot be judged until the XM1 has demonstrated its reliability and maintainability in the next phase of operational and development testing. Until then it seems advisable for the tanks procurement to continue at a low rate.
- Combat Vehicles