SAE J701_201708

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SAE J701_201708

2017

Most Recent

Truck Tractor Semitrailer Interchange Coupling Dimensions (Stabilized: Aug 2017)

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The information in this SAE Information Report is the result of studies by the Automobile Manufacturers Association, American Trucking Association, and Truck Trailer Manufacturers Association, to achieve interchangeability of equipment which will comply with the legal dimensional limitations for the majority of states and yet permit increased loading space within these dimensions. This in no way supersedes other information in the SAE Handbook on this subject.

Some cases will require more care in application allowing splash shield clearance at trailer support interference points and positioning fifth wheel to allow trailer swing clearance on an 11% grade. All dimensions are given in inches.

Table 1 and Figures 1 and 2 show basic requirements for interchangeability of truck tractor and semitrailer equipment. Figure 3 shows the interchangeability of the doubles converter dolly.

The formulas for determining LWC, OAL and CFW are:

where:

FW

= fifth wheel advance

R

= Rear axle tire radius

LWC

= 90 in

= 64 in (short trailers specifically intended for use with two axle tractors)

W

= 96 in

= 102 in

C

= Clearance, 4 in

where:

H

= Distance from intersection at back of cab and trailer swing radius to top of fifth wheel with zero trailer clearance to first obstruction

FWP

= Top face of fifth wheel to centerline of pivot, 3.50 in

SR

= Swing radius of trailer corner

SAE J701_201708
STANDARD INFO:
Standard NameSAE J701_201708
ScopeTruck Tractor Semitrailer Interchange Coupling Dimensions (Stabilized: Aug 2017)
PublisherSAE - SAE International
LanguagesEnglish
State
Publication Year2017
Most recent VersionMOST RECENT
Whether to be replaced
Addendum
FILE INFO:
File Size1 file , 290 KB
NoteThis product is unavailable in Ukraine, Russia, Belarus
Number of Pages6
Published08/09/2017
This document does not provide a preview.
SAE J701_201708
HistoryPublisher Year
SAE J701_2017082017Current
SAE J701_2014012014
SAE J701_2014012014
SAE J701_1984081984

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