Static Pull Test of Tiedown Anchors on M127-12-Ton Stake Semitrailer
ARMY DEFENSE AMMUNITION CENTER AND SCHOOL SAVANNA IL EVALUATION DIV
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The U.S. Army Defense Ammunition Center and School USADACS was requested by 3d Battalion, 9th Field Artillery, Fort Sill, OK, thru the U.S. Army Armament, Munitions and Chemical Command AMCCOM, to evaluate the tiedown anchors on the M127, 12-ton semitrailer. The Fort Sill unit has been assigned an exercise which includes tying down of the PERSHING II, weighing almost 15,000 pounds, on the M127 semitrailer. The Fort Sill unit requested the 5,000-pound capacity tiedown fitting be pull-tested to verify its load rating. The tiedown anchor modification kit FSN 2510-00-134-1130 was ordered and installed on the M127 5-ton semitrailer. Using a dynamometer to measure the pull, a static pull of 5,000 pounds was exerted in a lateral, longitudinal, vertical and 45 degree direction off the tiedown anchor. The tiedown anchor restrained the applied loads without yielding or sustaining any damage.
- Surface Transportation and Equipment