NHTSA ID Number: 10120491
Manufacturer Communication Number: SP-234, Rev. C
TSB/Document Date: 2017-10-21
Summary
Operation Name: Hendrickson
Truck Commercial Vehicle Systems Document Name: Parts List - PRIMAAX EX Rear Air Suspension for Caterpillar
Vehicles Built Prior to 2/2016 Summary: This document provides parts lists for Hendrickson
PRIMAAX EX rear air suspension systems equipped on applcable Caterpillar
vehicles built prior to February 2016.
16
53
**5/16"-18 UNC Locknut
8
54
70867-001
P-80 Lubricant - 10 ml (Not Shown)
per Bushing 1
7
For all (*) see Notes on Page 10
PRIMAAX® EX 26K for Caterpillar
Vehicles
9" Ride Height
8
SP-234
PRIMAAX® EX 26K for Caterpillar
Vehicles
KEY NO. PART
NO. PART NO.
DESCRIPTION
DESCRIPTION
*VEHICLE
VEHICLE
QTY.
KEY NO. PART
NO. PART NO.
DESCRIPTION
DESCRIPTION
49177-006
Lower Air Spring Fastener Service Kit, Single,
Includes Key Nos. 21-22
21
**½" Flat Washer
4
22
**½"-13 UNC Locknut
4
Longitudinal Torque Rod - Top Pad Assembly,
Includes Key Nos. 8, 23-26
69361-031A LH
1
69361-032B RH
1
23
62043-430N Longitudinal Torque Rod Assembly
2
Single Longitudinal Torque Rod Fastener Kit
49176-032
2-Bar Pin Connections, Includes Key Nos.24-26
24
**5⁄ 8"-11 UNF x 8" Hex Bolt
8
25
**5⁄ 8" Flat Washer
16
8
26
**5⁄ 8"-11 UNC Locknut
27
49689-000L
Shim
As Req.
28
72000-XXXS
***ULTRA ROD® PLUS™ Transverse Torque
1
Rod Assembly, Includes Key No. 29, Specify
length in mm
29
64400-002L
Bushing - Straddle Bar Pin (5⁄ 8" Holes)
2
30
22186-000
Transverse Torque Rod Frame Bracket
1
31
60593-000
Axle Stop, Frame Mounted
2
32
60665-011
Shock Absorber
2
33
67463-002
Upper Shock Frame Bracket
2
50754-029
Single Shock Fastener Service Kit,
Includes Key Nos. 34-39
34
**¾"-10 UNC x 4¼" Upper Shock Bolt
2
35
**¾" Flat Washer
2
36
**¾"-10 UNC Locknut
2
37
**5⁄ 8"-11 UNC x 7" Lower Shock Bolt
2
4
38
**5⁄ 8" Flat Washer
39
**5⁄ 8"-11 UNC Locknut
2
40
64508-XXX
S-cam Support Bracket
2
See Part No. on component
58821-017
S-cam Fastener Service Kit, Axle Set,
Includes Key Nos. 41-46
41
**3/8"-16 UNC x 1¼" Hex Bolt
4
42
**3/8" Hardened Washer
8
4
43
**3/8"-16 UNC Locknut
44
**5/16" S-cam U-bolt
2
8
45
**5/16" Hardened Washer
46
**5/16"-18 UNC Locknut
4
47
69565-001
U-beam Assembly Enhancement Aftermarket
Service Kit, Axle Set, See Page 3 for contents
48
70867-001
P-80 Lubricant - 10 ml (Not Shown)
per Bushing 1
1
67706-000
Frame Hanger
2
QUIK-ALIGN® Pivot Bushing Service Kit,
Includes Key Nos. 2-7, 48
60961-720
One Wheel End
60632-020 Axle Set
QUIK-ALIGN Collar Service Kit, Includes Key Nos. 3-7
60632-019 One Wheel End, Replaces 60632-006
60632-021 Axle Set
60632-018
QUIK-ALIGN Fastener Service Kit,One Wheel End,
Includes Key Nos. 5-7, Replaces 60632-005
2
**Pivot Bushing
2
3
**Concentric Collar
2
4
**Eccentric Collar
2
5
**1"-14 UNF-2A x 7½" H-Coat Hex Bolt
2
6
**1" H-Coat Flat Washer
4
7
**1"-14 UNF-2B H-Coat Locknut
2
8
65289-000
Top Pad
2
48718-130
U-bolt Service Kit, One Wheel End,
Includes Key Nos. 9-11
9
**¾" Square U-bolt, 103⁄8" Length
4
10
**¾" Flat Washer
8
11
**¾"-16 UNF U-bolt Locknut
8
12
60556-030
Bottom Cap
2
13
65139-003
Axle Spacer
2
14
U-beam Assembly, Includes Key Nos. 2, 15
2
Frame Width
67249-004 34.0"
67249-012 34.3"
67249-010 34.5"
67249-024 34.8"
34013-107
Single D-Pin Bushing Service Kit,
Includes Key Nos. 15-18
15
**D-Pin Bushing
2
56659-009
D-Pin Fastener Service Kit, Axle Set
Includes Key Nos. 16-18
16
**¾"-16 UNF x 5" Bolt
4
17
**¾" Flat Washer
8
18
**¾"-16 UNF Locknut
4
60961-665
Single Air Spring Service Kit,
Includes Key Nos. 19-22
19
68056-002L
Air Spring Assembly, Includes Upper
2
Frame Bracket and Fasteners
20
60911-002
Lower Air Spring Mounting Bracket
2
SP-234
*VEHICLE
VEHICLE
QTY.
9
For all (*) see Notes on Page 10
PRIMAAX® EX for Caterpillar
Vehicles
Severe Service Kits
KIT NO. 60632-033
9", 10½", 13" Ride Height
KEY NO. CONTENTS
1
QUIK-ALIGN Concentric Collar
2
QUIK-ALIGN Eccentric Collar
3
1¼"-12 UNF Bolt - 8"
4
1¼" Hardened Washer
5
1¼"-12 UNF Nylocknut
6
QUIK-ALIGN Pivot Bushing
7
P-80 Bushing Lubricant - 10 ml.
KIT QTY.
2
2
2
4
2
2
per Bushing 1
KIT NO. 60632-015
9", 10½", 13" Ride Height
KEY NO. CONTENTS
1
QUIK-ALIGN Concentric Collar
2
QUIK-ALIGN Eccentric Collar
3
1¼"-12 UNF Bolt - 8"
4
1¼" Hardened Washer
5
1¼"-12 UNF Nylocknut
KIT QTY.
2
2
2
4
2
KIT NO. 58821-026
Top Pad Thru Bolt Style Only
Does not include Top Pad
KEY NO. CONTENTS
1
M24 x 3.0-6G H-coat Hex Bolt
2
M24 Hardened Washer
3
M24 x 3.0-6H Locknuts
KIT QTY.
2
4
2
NOTES:
* Quantities specified are shown for tandem suspension. Adjust quantities for single or tridem suspensions. Quantities of service kit
components may vary from amount shown in lists.
** Item included in assembly / kit only, part not sold separately.
*** Transverse Rods are mandatory for the PRIMAAX EX suspensions regardless of axle spacing, see Literature No. 59310-004 and
59310-058 for more information.
**** Alternate configuration of the QUIK-ALIGN fasteners. The locknuts located inboard will allow additional clearance for wider tires or
tires with chains. Tightening is still required ONLY on the locknut.
10
SP-234
PRIMAAX® EX for Caterpillar
Vehicles
Special Tools
D-pin / QUIK-ALIGN pivot bushing service tools
Hendrickson
Part No. 66086-202
Hendrickson
Part No. 66086-204
OTC Part No. 4246 Visit otctools.com
OTC Part No. 4247 Visit otctools.com
Hendrickson
Part No. 66086-205
OTC Part No. 4254
Visit otctools.com
Note: In conjunction with Hendrickson
Part No. 66086-204 (OTC 4247)
this additional adapter tool kit is available to purchase to be used on
Hendrickson
SOFTEK NXT suspension (not needed for this suspension).
QUIK-ALIGN PIVOT BUSHING SERVICE TOOL
QUIK-ALIGN SOCKET TOOL
Hendrickson
Part No. 66086-203L
Hendrickson
Part No. 66086-200
Reference Literature No. 59310-061
OTC Part No. 1767
Visit otctools.com
Torque rod bushing funnel tool
QUIK-WRENCH TOOL
ULTRA ROD
Hendrickson
Part No. 66086-201
Hendrickson
Part No.
66086‑001L
OTC Part No. 1768
SP-234
Visit otctools.com
11
For all (*) see Notes on Page 10
This is a general parts list to provide directional information. Components may vary by model. Questions in regards to parts, contact Hendrickson
Truck Parts at
1.866.755.5968 (Toll-free U.S. and Canada), 1.630.910.2800 (Outside U.S. and Canada) or e-mail: truckparts@hendrickson
-intl.com.
Truck Commercial Vehicle Systems
800 South Frontage Road
Woodridge, IL 60517-4904 USA
SP-234 Rev C 09-17
1.866.755.5968 (Toll-free U.S. and Canada)
1.630.910.2800 (Outside U.S. and Canada)
Fax 1.630.910.2899
Information contained in this literature was accurate at the time of publication. Product changes may have been made after the copyright date that are not reflected.
© 2012 - 2017 Hendrickson
USA, L.L.C. All Rights Reserved
Printed in United States of America
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TSB/Document ID: SP-234, Rev. C
Replacement Service Bulletin Number:
MFR Communication Date: 2017-09-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
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