Bolt, Leveler SVCE, #18-3/8 x 1-1/2" (501R,501F,
          511,532,550,561,201R,201FD,201RIM,211,
          215R,215FD,241,251,361,2011ICE,2411,2511
          2711,2811,3211)
  501R    Use Prior to #M834654/P835904. Starting
          With #M834654/P835904 See 7016175
  501F    Use Prior to #M834904/P836154. Starting
          With #M834904/P836154 See 7016175
  511     Use Prior to Serial #M830454.
          Starting With #M830454 See 7016175
  532     Use Prior to #M824754/P827404 Except
          Between #M786669-M787069. Starting With
          #M824754/P827404 And Between #M786669-
          M787068 See 7016175
  550     Use Prior to #M824354/P823954. Starting
          With #M824354/P823954 see 7016175
  561     Use Prior to #M825954/P823654. Starting
          With #M825954/P823654 see 7016175
  200/300 Use Regardless of Serial Number