2-36.1. LOADING AND SECURING SIXCONS (U.S.M.C. ONLY)
Sixcons are unique transportation frames that are the same width as ISO
containers, except shorter in length. Three Sixcons are approximately the same
length as one 20-foot (6m) ISO container. Modified ISO container lock brackets,
horizontal connectors, and vertical connectors (if required) are used with the
standard ISO container lock brackets to secure Sixcons.
Up to eight Sixcons can be loaded onto a semitrailer: four on the semitrailer
platform and four stacked on top of the first four. Sixcon lock brackets are
fabricated from center ISO container lock brackets in accordance with instructions
in appendix F. Sixcon container lock brackets are not secured to the semitrailer
platform. If only loading four sixcon frames, use horizontal connectors between
upper corners of sixcons. Tiedown procedure is the same.
To load and secure eight Sixcon frames onto a semitrailer, proceed as follows:
a. Position one streetside and one curbside ISO container lock bracket (1) in forward bracket position and secure
with two bolts (2).
b. Position two center ISO container lock brackets (3) in third bracket position and secure with two bolts (4).
c. Position four Sixcon lock brackets (5) evenly spaced between ISO container lock brackets (1 and 2)
(approximately 62.5 inches (159 cm) apart front-to-rear and 13 inches (33 cm) from each side of the platform).
Position two more Sixcon lock brackets (6) same distance behind last center ISO container lock brackets (3).
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