TM 55-2350-224-14 Figure 2-3a. Two M113 variants secured to an M872A2 semitrailer. Only applicable for the M113A1, M113A1, M106A1, M106A2, M125A1, M125A2, M577A1, M577A2, M901A1, M1059, and the M1068. All dimensions are in inches. (Table 2-3, option 2) 2-6