Trailer Axle Alignment(STABILIZED Jun 2011)
The scope of this SAE Recommended Practice, trailer axle alignment, is to identify the dimensional limits of, and a method to, establish a perpendicular relationship between the king pin centerline and the axle centerline at its midpoint. Various types of equipment are commercially available which can be used for this measurement which provides varying degrees of accuracy, but none can be endorsed by SAE.
The most fundamental methods of measurement will be described here, but other equipment is available if a greater degree of accuracy is desired.
Rationale: The Vehicle Characterization Committee which owned the report has become inactivated and the technical expertise for the subject report within the Truck-Bus Council is not available at this time.
Also known as: SAE J 875
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