NHTSA ID Number: 10143193
Manufacturer Communication Number: SP-169, Rev. H
TSB/Document Date: 2018-07-23
Summary
Operation Name: Hendrickson
Truck Commercial Vehical Systems Document Name: Parts List - AIRTEK Front Air Suspension with STEERTEK NXT Axle for Freightliner and Western Star Summary: This document provides parts lists for Hendrickson AIRTEK front air suspension systems with STEERTEK NXT axles equipped on Freightliner and Western Star vehicles.
AIRTEK® Front Air Suspension
with STEERTEK NXT Axle for
Freightliner • Western Star
(Sterling Vehicles built prior to 04/2009)
LIT NO: SP-169
DATE: May 2018
REVISION: H
CONTENTS
DESCRIPTION
Page
AIRTEK® for Freightliner Vehicles
■■ Built after November 2011. . . . . . . . . . . . . . . . . . 2
■■ Built between May 2010 and November 2011. . . 6
■■ Built prior to May 2010 . . . . . . . . . . . . . . . . . . . 10
AIRTEK for Western Star Vehicles
■■ Built after November 2011. . . . . . . . . . . . . . . . . . 4
■■ Built between June 2010 and November 2011. . 8
■■ Built prior to June 2010. . . . . . . . . . . . . . . . . . . 10
DESCRIPTION
Page
AIRTEK for Sterling Vehicles built prior to April 2009. . 10
STEERTEK Axle with Mechanical Suspension. . . . . . . 14
Selection Guides
■■ Steering Knuckle Assemblies, Top Wrap,
Dowel Pins, Front Axle Spacer. . . . . . . . . . . . . . 15
■■ Tie Rods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
AIRTEK with STEERTEK NXT Axle – Freightliner
AIRTEK with STEERTEK NXT Axle – Western Star
AIRTEK with STEERTEK Axle – Freightliner
AIRTEK with STEERTEK Axle – Western Star
STEERTEK Axle
AIRTEK® with STEERTEK NXT axle for Freightliner
Vehicles built after November 2011• Models Cascadia and Coronado
2
SP-169
AIRTEK® for Freightliner – Vehicles built with STEERTEK NXT axle after 11/2011
KEY NO. PART NO.
DESCRIPTION
1
2
3
4
VEHICLE
QTY.
KEY NO. PART NO.
DESCRIPTION
Air Spring
2
LH Air Spring Bracket
1
RH Air Spring Bracket
1
LH HCV & Linkage Assembly
1
59427-019L
Includes Key Nos. 6a,7a
4.25" Drop, 315 mm Ride Height
5.36" Drop, 280 mm Ride Height
59427-027L
Includes Key Nos. 6b,7a
4.25" Drop, 355 mm Ride Height
5.36" Drop, 315 mm Ride Height
5
RH HCV & Linkage Assembly
1
59427-034L
Includes Key Nos. 6a,7b
4.25" Drop, 315 mm Ride Height,
5.36" Drop, 280 mm Ride Height
59427-036L
Includes Key Nos. 6b,7b
4.25" Drop, 355 mm Ride Height,
5.36" Drop, 315 mm Ride Height
6
Height Control Valve Linkage
2
a
59428-001 335 mm Length
b
59428-002 370 mm Length
7
Height Control Valve
a
59935-013L LH
1
b
59935-024 RH
1
8
LH HCV Support Bracket
1
68675-002 Set Back
68675-003 Set Forward
9
Link Mount
a
59429-001 LH
1
b
59429-002 RH
1
10
*3⁄8"-16 UNC x 1¼" Hex Bolt
2
11
*3⁄8" Flat Washer
2
12
58913-012L
Shock Absorber
2
13
*¾"-10 UNC x 4" Upper Shock Bolt
2
14
*Lower Shock Bolt
2
15
*¾" Hardened Washer
6
16
*¾"-10 UNC Hex Locknut
4
17
22962-046
Shock Spacer
2
18
59423-001
Shock Bracket
2
Leaf Spring and Shackle Bracket Assembly
Conversion Kit for vehicles built Between 5/10
and 5/2/16, see page 13 for Kit Contents
60961-827
LH, Includes Key Nos. 19a-20a
60961-828 RH, Includes Key Nos. 19b-20b
60961-844 LH, Includes Key Nos. 19c-20a
60961-845 RH, Includes Key Nos. 19d-20b
60961-846 LH, Includes Key Nos. 19e-20a
60961-847 RH, Includes Key Nos. 19f-20b
19
Leaf Spring Assembly for vehicles built
2
AFTER 5/2/16, contact Hendrickson Tech Services
• w/Front Eye Through Bolt Bushing
a LH, Set Back, Replaces 59930-061
b RH, Set Back, Replaces 59930-062
• w/Front Eye Bar Pin Bushing
c LH, Set Back, Replaces 59930-057
d RH, Set Back, Replaces 59930-058
e LH, Set Forward, Replaces 59930-059
f RH, Set Forward, Replaces 59930-060
20
Shackle Bracket Assembly for vehicles built
2
AFTER 5/2/16, contact Hendrickson Tech Services,
Includes Key Nos. 21-25
a LH
b RH
21
**Shackle Bracket w/Bushing,
2
Replaces 68127-001
22
**Shackle Plate, Replaces 67754-004
2
SP-169
69116-002L
60850-001
60850-002
VEHICLE
QTY.
23
24
25
26
**¾"-16 UNF x 6½" Bolt
6
**¾" Washer (thick washer)
12
**¾"-16 UNF Nylon Locknut
6
*Freightliner Hanger, LH / RH
1/1
68967-XXX
Axle Assembly, Includes Key Nos. 27-47
1
Contact Hendrickson Truck Parts
for specific part number
27
Axle & Kingpin Assembly
1
68966-001M 4.25" Drop
68966-002M 5.36" Drop
28
LH Lower Steering Knuckle Assembly
1
58900-401 250 Ackermann
58900-403 200 Ackermann
58900-405 150 Ackermann
29
RH Lower Steering Knuckle Assembly
1
58900-402 250 Ackermann
58900-404 200 Ackermann
58900-406 150 Ackermann
30
LH Upper Steering Knuckle Assembly,
1
See Table 1 on Page 15
31
60904-432
RH Upper Steering Knuckle Assembly
1
Kingpin Bushing and Bearing Service Kits
60961-628
Axle Set, Includes Kit Nos. 60961-629 & -630
60961-629
LH w/Composite Thrust Bearing, Includes
Key Nos. 32-37, 39, Loctite
60961-630
RH w/Roller Thrust Bearing, Includes Key
Nos. 32-36, 38-39, Loctite
32
33117-000
Grease Zerk
2
33
68687-003
Grease Cap Assembly, Upper
2
34
68687-002
Grease Cap Assembly, Lower
2
35
78320-001
Kingpin Bushing, Replaces 58909-001
4
Thrust Bearing Service Kits
60961-631
Axle Set, Includes Kit Nos. 60961-632 & -633
60961-632
LH Composite Thrust Bearing, Includes
Key Nos. 36-37, 39 & Loctite
60961-633
RH Roller Thrust Bearing, Includes Key
Nos. 36, 38-39 & Loctite
36
68731-000
Kingpin Seal
4
37
77907-000
LH Composite Thrust Bearing,
1
Replaces 59828-000
38
64256-000
RH Roller Thrust Bearing
1
5
⁄8" Socket Head Cap Screw
4
39
60236-001
Not Shown 60937-000
Loctite® (Red) Compound Tube
1
40
Tie Rod Assembly, Includes Key Nos. 41-43
1
See Selection Guide on Page 16
41
**7⁄8" Castle Nut
2
Tie Rod End Service Kits, See Selection Guide
on Page 16
Tie Rod End, See Selection Guide on Page 16
42
LH
1
43
RH
1
7/8" Flat Washer
2
44
22962-007
45
17800-004
Tie Rod Nut Cotter Pin
2
60961-069
Stop Bolt Service Kit, One Side,
Includes Key Nos. 46-47
46
60238-001
½"-13 UNC Square Head Bolt
2
47
60240-000
½"-13 UNC Hex Jam Nut
2
48
*¾"-16 UNF Hex Bolt
8
49
*¾" Flat Washer
8
50
*¾"-16 UNF Nylon Locknut
8
51
59826-000
Top Pad
2
52
Dowel Pin, ½" Diameter, See Table 1 on
2
Page 15
53
Front Axle Spacer, See Table 1 on Page 15
2
3
For all (*) see Notes on Page 16
AIRTEK® with STEERTEK NXT axle for Western Star
Vehicles built after November 2011• Model 4900 SA • 5700
6
2
5
8
3
6
1
7
11
4
1
26
9
10
26
49
49
21
52
13.3K Leaf Spring
Rear Shackle Configuration
27
22a 24 23
21
22a
52
27
24 25
24
15
23
24
25
17 20
25 24
23
22b
21
17
34
32
22a
18
22a
33
34
54
33
54
20
17
14
53
31
15 17
36
37
36
37
18
53
13 12
28
17 18
12 13
39
37
48
16
14
47
16
38
50
37
40
50
36
35
51
51
19
40
30
46
42
45
44
48 47
19
18 17
46
42
45
29
36
35
41
43
4
SP-169
AIRTEK® for Western Star – Vehicles built with STEERTEK NXT after 11/2011
KEY NO. PART NO.
DESCRIPTION
1
69116-002L
2
60850-001
3
60850-002
4
Air Spring
LH Air Spring Bracket
RH Air Spring Bracket
LH HCV & Linkage Assembly
Includes Key Nos. 6-7
• Set Back
59427-019L 315 mm Ride Height
59427-027L 355 mm Ride Height
59427-033 385 mm Ride Height
• Set Forward
59427-031 315 mm Ride Height
59427-032 355 mm Ride Height
59427-035L 385 mm Ride Height
5
RH HCV & Linkage Assembly
Includes Key Nos. 6, 8
59427-034L 315 mm Ride Height
59427-036L 355 mm Ride Height
59427-038L 385 mm Ride Height
6
Height Control Valve Linkage
59428-001 315 mm Ride Height
59428-002 355 mm Ride Height
59428-009 385 mm Ride Height
7
LH Height Control Valve
59935-013L Set Back
59935-023 Set Forward
8
59935-024
RH Height Control Valve
9
LH HCV Support Bracket
68675-002 Set Back
68675-003 Set Forward
10
LH Link Mount
59429-001 Set Back
59429-002 Set Forward
11
59429-002
RH Link Mount
12
*3⁄8"-16 UNC x 1¼" Hex Bolt
13
*3⁄8" Flat Washer
14
58913-012L
Shock Absorber
15
*¾"-10 UNC x 4" Upper Shock Bolt
16
*Lower Shock Bolt
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TSB/Document ID: SP-169, Rev. H
Replacement Service Bulletin Number:
MFR Communication Date: 2018-05-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SUSPENSION
MFR Component System:
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