Page 26 - Suspension
P. 26

        Part Number
   Per Axle
 HEN HTRAAX.XX
         Key Description
1 Axle/Beam Weldment
2 Frame Bracket1 (Standard Travel)
2a 8” Windged, Weld-on, Standard Top Plate
Roadside
Curbside
3 Frame Bracket Channel
Axle Track of 71.5” to 77.5”
Axle Track of 83.5” to 85”
4 Frame Bracket Gusset (Not Shown)
5 Alignment Collars
5a Eccentric Alignment Collar (outer)
5b Concentric Alignment Collar (inner)
6 Quick-Align® Pivot Bolt Kit2
6a Pivot Bolt Kit
6b Pivot Bolt Kit w/Bushing Tube Spacers
6c Pivot Bolt Kit w/Alignment Collars
7 Quick-Align Pivot Bushing Kit2,3,4
7a Standard
7b Pivot Bushing Kit w/Alignment Collars
8 Bushing Tube Spacers
Standard
9 Air Spring
AAT 23K Models
AAT 25K Models
AAT 30K Models
10 Air Spring Mounting Kit
12” Ride Height
13.5”, 14” 18” and 19” Ride Heights
15” Ride Height
16” Ride Height
17” Ride Height
11 Air Spring Spacer Assembly
11a AAT 23K and 25K Models
Steel, Weld-On, 15/16” Thick Spacer Assembly
Steel, Weld-On, 21/16” Thick Spacer Assembly
Steel, Weld-On, 35/16” Thick Spacer Assembly
Steel, Weld-On, 41/16” Thick Spacer Assembly
Steel, Weld-On, 55/16” Thick Spacer Assembly
11b AAT 30K Models
Steel, Weld-On, 15/16” Thick Spacer Assembly
Steel, Weld-On, 21/16” Thick Spacer Assembly
Steel, Weld-On, 35/16” Thick Spacer Assembly
Steel, Weld-On, 41/16” Thick Spacer Assembly
Steel, Weld-On, 55/16” Thick Spacer Assembly
Note
13.5”, 14” and 15” Ride Heights 13.5”, 14” and 15” Ride Heights
13.5” to 19” Ride Heights 13.5” to 19” Ride Heights 13.5” to 19” Ride Heights
Pivot Hole is Offset From the Center of Colllar Pivot Hole is In Center of Collar
Introduce 10” Shear-Type Bolt, Nut and Washers Introduces 10” Shear Type Bolt, Nut and Washers Includes 10” Shear-Type Bolt, Nut and Washers
Includes Bushing, Pivot Bolt Kit, Bushing Tube Spacers and Lube
(4) Required Per Axle
13.5” to 19” Ride Heights 12” -13” Ride Height 13.5” to 19” Ride Heights
One Per Air Spring, Includes Air Fittings, Hex Flange Nuts, Plugs and Extension Nuts
Typically 15” Ride height Typically 16” Ride Height Typically 17” Ride Height Typically 18” Ride Height Typically 19” Ride Height
Typically 15” Ride Height Typically 16” Ride Height Typically 17” Ride Height Typically 18” Ride Height Typically 19” Ride Height
        HEN S-21028-1
 1
 HEN S-21028-2
   1
        HEN A-1631-19
 1
 HEN A-1621-35
   1
  HEN S-27330
   2
          HEN S-20925
 2
 HEN S-20924
   2
        HEN S-24679
 2
 HEN S-26369
 2
 HEN S-24680
   2
                HEN S-28654
   2
        HEN S-21099
   4
      HEN S-21800
   2
  HEN S-26773
   2
  HEN S-21784
  S
 HEN S-27341
   2
             HEN S-4903/2
 2
 HEN S22619/2
   2
  HEN S-22630/2
  2
 HEN S-22631/2
 2
 HEN S-22632/2
   2
                   HEN C-22302-2
  2
 HEN C-22302-3
   2
  HEN C-22302-4
  2
 HEN C-22302-5
 2
 HEN C-22302-6
   2
                HEN D-27049-9
 2
 HEN D-27049-10
 2
 HEN D-27049-8
 2
 HEN D-27049-10
 2
 HEN D-27049-2
   2
            10-26
1 Other options exist including standard travel bolt-on frame brackets, bolt-on frame brackets for limited and high control applications and weld-on frame brackets for limited travel and high control applications. High control application include dollies, full trailers and pups used in doubles or triples.
2 Best installed with Hendrickson’s E-20 socket S-24536 (1-inch drive) or S-24303 (3/4-inch drive)
3 Picture may not resemble all models. Hendrickson recommends S-25119
4 Bushing tool, S-21307 is required to correctly rebush the suspension
Hendrickson ATT Suspension Suspension Trailer Parts Catalog
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