MIL-T-11961 Complete Document History
Tractor, High Speed, 18-Ton, m4a1 (W/E)


Obsolete Revision Information:
   NOT - TRACTOR, HIGH SPEED, 18-TON, M - Dec. 22, 1964
   REVISION A - TRACTOR, HIGH SPEED, 18-TON, M - Jan. 1, 1960