SAE J700_201107
- Upper Coupler Kingpin ¿¿¿ Commercial Trailers and Semitrailers (Stabilized: Jul 2011)
- standard by SAE International, 07/13/2011
- Category: SAE
$81.00
$41.00
This SAE Standard applies to upper coupler kingpins for commercial trailers and semitrailers in the unladen condition. A 90 \mP 1 degree angle extends (in all directions) from the centerline of the kingpin to the upper coupler plate surface within a 48.26 cm (19 in) radius. The upper coupler plate surface should not bow downward (convex) more than 0.635 cm (1/4 in) within a 48.26 cm (19 in) radius or more than 0.3175 cm (1/8 in) at a radius of 25.4 cm (10 in) from the kingpin. The upper coupler plate surface should not bow upward (concave) more than 0.15875 cm (1/16 in) within a 48.26 cm (19 in) radius.
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