US Army, Technical Manual, TM 55-2350-224-14, TRANSPORT GUIDANCE M113 FAMILY OF VEHICLES, (M113A2, M113A3, M10 M125A2, M548A1, M577A2, M667, M730A2, M741A1, M901A1, M981, M10 M1059, M1064, AND M1068) (THIS ITEM IS INCLUDED ON EM 0040, EM 0064, EM 0076, EM 0078, A EM 0093),