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SAE J700

2011 Edition, July 1, 2011

Complete Document

Upper Coupler Kingpin – Commercial Trailers and Semitrailers

Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , July 2011


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Product Details:

  • Revision: 2011 Edition, July 1, 2011
  • Published Date: July 2011
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 4
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

This SAE Standard applies to upper coupler kingpins for commercial trailers and semitrailers in the unladen condition. See Figure 1. A 90 degree + 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. (see Figure 2.)

NOTE—For recommended performance, see SAE J133.

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