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HENDRICKSON TRAILER SUSPENSIONS
INTRAAX ® AAT — 23K, 25K, 30K PARTS LIST
INTRAAX ® AAT — 23K, 25K, 30K PARTS LIST
ITEM DESCRIPTION
PART NO. PER AXLE NOTE
1 2 3
AXLE / BEAM WELDMENT
HTRAAX.XX
Contact Hendrickson for assistance See L1266 Frame Bracket Parts List
FRAME BRACKET 1
FRAME BRACKET GUSSET (Not Shown) FRAME BRACKET BRACE (Not Shown)
S-27330 B-2347-7
2 1
13.5" to 19" ride heights 16" – 17" ride heights
4
5
BOLT-ON C-CHANNEL KIT 2 71.5" track
S-31901-3C
1
Standard black primer; includes c-channel, 2 struts and strut bolt kit Standard black primer; includes c-channel, 2 struts and strut bolt kit Includes 2 screws and 2 prevailing torque nuts Includes 6 screws and 6 prevailing torque nuts
77.5" track
S-31901-1C
1
6 7
STRUT 2
B-30591 S-29822
2 1
C-CHANNEL BOLT KIT
8
STRUT BOLT KIT
S-30720
1
9
WELD-ON C-CHANNEL (Not Shown) 71.5" - 77.5" Tracks
A-1631-19 A-1621-35
1 1
13.5" to 19" ride heights 13.5" to 19" ride heights
83.5" - 85" Tracks AIR SPRING AAT 23K models AAT 25K models AAT 30K models
10
S-21800 S-20901 S-25873
2 2 2
13.5" to 19" ride heights 13.5" to 19" ride heights 13.5" to 19" ride heights
11
AIR SPRING MOUNTING PLATE Weld-on
S-20905
2
12" – 19" ride heights; standard air spring mounting plate 13.5" – 19" ride heights; standard air spring mounting plate 13.5" – 19" ride heights; pattern 1 air spring mounting plate 13.5" – 19" ride heights; pattern 2 air spring mounting plate 13.5" to 19" ride heights; pattern 3 air spring mounting plate
Bolt-on 3
B-21145
2
B-21715
2
B-22390
2
B-27264
2
12
AIR SPRING FLEX PLATE (30K MODELS ONLY) (5" axle)
B-23294
13
AIR SPRING SPACER (Plastic) 4
Not required for units with LDA ™
5" axle 1 1 / 8
" Thick spacer " Thick spacer " Thick spacer
B-22510-1 B-22510-2 B-22510-3
2 2 2
15" ride height 16" ride height 17" ride height
1 7 / 8 3 1 / 8
LDA ™ Large-Diameter Axle ¾" Thick spacer
B-22510-4 B-22510-2
2 2
16" and 18" ride heights
1 7 / 8
" Thick spacer
19" ride height
14
AIR SPRING BOTTOM DISK (5" axle) AIR SPRING MOUNTING KITS 5,6
S-21786
15
One per air spring; Includes air fittings, hex flange nuts, plugs and extension nuts
5" and LDA ™ Large-Diameter Axle 13.5", 14", 15" ride heights
S-22619/2 S-22630/2 S-22619/2 S-22631/2
2 2 2 2
16" and 18" ride heights
17" ride height 19" ride height
16
PEDESTAL KITS 5" axle (Weld-on) Roadside
S-22297-1 S-22297-2
All ride heights All ride heights
Curbside
1. Options exist based on frame attachment, frame bracket style, bolt hole pattern and connection. Contact Hendrickson for assistance or refer to L1266 Frame Bracket parts list. 2. Struts are only optional for bolt-on frame brackets. Other options exist for galvanized or different track widths. 3. Please see INTRAAX ® Bolt-on Mounting Drawing, D-26651, for assistance in pattern selection. This drawing can be found in the literature section of the Hendrickson website (www.hendrickson-intl.com). 4. Standard options listed. Other options exist. Please contact Hendrickson for assistance. 5. Picture may not resemble all models. 6. Kits listed are for units with standard travel, standard air spring hardware and standard air spring mounting plate. Components may vary for limited rebound, limited jounce, thick frame or steel spacer models.
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