NHTSA ID Number: 10154151
Manufacturer Communication Number: SP-289 RevF
TSB/Document Date: 2019-03-04
Summary
Operation Name: Hendrickson
Truck Commercial Vehicle Systems Document Name: Parts List - SOFTEK NXT Front Steer Axle and Suspension System for Peterbilt Vehicles Summary: This document provides parts lists for Hendrickson SOFTEK NXT systems equipped on applcable Peterbilt vehicles.
SOFTEK® NXT Front Steer Axle
and Suspension System for
Peterbilt Vehicles
LIT NO.: SP-289
DATE: December 2018
REVISION: F
CONTENTS
DESCRIPTION
PAGE
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Selection Guides . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Leaf Spring equipped with
Rubber Bushings and Integrated Brake
Knuckles (IBK)
Leaf Spring with
Threaded Bushings
SOFTEK® NXT for Peterbilt Vehicles
12.5K / 13.2K Capacity
18
2
19
20
21
9
10
8
10 11
1a
3
Leaf Spring Assembly
with Threaded Bushings
22
12
23
7
24
17
5
1b
56 (if equipped)
25
16 15
14 13
16
14
6
7
26
38
27
40
41
28
36
37
38
40
41
37
35
42
31
29
34a
46
33a
43
48
43 49 48
32
30
42
41
47
49
53
55
47
54
41
40
46
39
53
55
52
50
54
40
39
STEERTEK NXT
with Standard Knuckle Assembly
33b
51
2
34b
SP-289
SOFTEK® NXT for Peterbilt Vehicles
KEY NO. PART NO.
DESCRIPTION
VEHICLE
QTY.
KEY NO. PART NO.
DESCRIPTION
Leaf Spring and Clamp Group Assembly
Service Kit, One Side
• with Rubber Bushings, Includes Key
Nos. 1a, 2-3, 18-31
60961-813 10" Ride Height, 12.5K
60961-854 10" Ride Height, 13.2K
60961-814 8½" Ride Height, 12.5K
60961-855 8½" Ride Height, 13.2K
60961-815 6½" Ride Height, 12.5K
60961-856 6½" Ride Height, 13.2K
• with Threaded Bushings, Includes Key
Nos. 1b, 5-6, 18-31
60961-848 10" Ride Height, 12.5K
60961-849 10" Ride Height, 13.2K
60961-850 8½" Ride Height, 12.5K
60961-851 8½" Ride Height, 13.2K
60961-852 6½" Ride Height, 12.5K
60961-853 6½" Ride Height, 13.2K
Leaf Spring Assembly
2
1 a
• with Rubber Bushings, Includes Key Nos. 2-3
53765-000 12.5K Capacity
53984-000 13.2K Capacity
b
• with Threaded Bushings, Includes Key Nos. 5-6
53963-000 12.5K Capacity
53964-000 13.2K Capacity
Spring Eye Bushing Service Kit, One Side
60961-820 Front, Includes Key Nos. 2, 4
60961-821 Rear, Includes Key Nos. 3-4
2
*Front Bar Pin Spring Eye Bushing
2
3
*Rear Thru-bolt Spring Eye Bushing
2
4
69125-001
Loctite® 680 (Green) Compound Tube (Not Shown) 1
5
52700-000
Front Spring Pin Bushing
2
6
53980-000
Rear Threaded Bushing
2
7
***Threaded Bar Pin
2
60961-803
Rear Shackle Service Kit, One Side,
Includes Key Nos. 8-11
8
70795-001
Shackle
2
9
21867-023
¾"-16 UNF x 6½" Hex Bolt
4
10
22962-001
¾" Washer
8
11
17700-035
¾"-16 UNF-2B Nylocknut
4
12
***Rear Hanger
2
13
79381-001
Shackle
2
14
***Shackle Plate
4
15
***M12 Hex Bolt
8
16
***M12 Washer
16
17
***M12 Nylocknut
8
60961-804
Clamp Group Service Kit, One Side, Includes
Key Nos. 18, 21, 28-31
• Key No. 26-27 U-bolts to be purchased separately
18
75989-000
M20 x 1.5-6H Two-piece Nut
8
19
70690-001
Jounce Stop
2
20
70688-001
Top Pad
2
21
75990-000
Leaf Spring Liner
2
22
Upper Slotted Spring Pin
2
76897-013 10" Ride Height, 12.5K / 13.2K
76897-015 8½" Ride Height, 12.5K
76897-005 8½" Ride Height, 13.2K
76897-016 6½" Ride Height, 12.5K
76897-012 6½" Ride Height, 13.2K
23
Leaf Spring Spacer
2
70694-001 10" Ride Height, 12.5K
70694-003 10" Ride Height, 13.2K
70694-002 8½" Ride Height, 12.5K
70694-004 8½" Ride Height, 13.2K
77808-001 6½" Ride Height, 12.5K
70694-005 6½" Ride Height, 13.2K
24
76897-001
Lower Slotted Spacer Pin (10" Ride Height Only) 2
25
75986-001
Axle Wrap / Shock Bracket
2
SP-289
VEHICLE
QTY.
26
U-bolt - Front
2
77132-180 10" Ride Height, 12.5K, Replaces 77132-190
77132-190 10" Ride Height, 13.2K
77132-140 8½" Ride Height, 12.5K, Replaces 77132-150
77132-150 8½" Ride Height, 13.2K
77132-120 6½" Ride Height, 12.5K, Replaces 77132-130
77132-130 6½" Ride Height, 13.2K
27
U-bolt - Rear
2
77132-190 10" Ride Height, 12.5K
77132-200 10" Ride Height, 13.2K
77132-150 8½" Ride Height, 12.5K
77132-160 8½" Ride Height, 13.2K
77132-130 6½" Ride Height, 12.5K
77132-140 6½" Ride Height, 13.2K
60961-802
Axle Clamp Service Kit, One Side,
Includes Key Nos. 28-31
28
*Axle Wrap Liner
2
*Axle Clamp
29
Front - Unthreaded
2
30
Rear - Threaded
2
31
*M20 X 2.5-6G x 160 mm Hex Cap Screw
4
32
70685-XXX
Axle and Kingpin Assembly, See Table 1
1
on Page 4
33
Left Hand Lower Steering Knuckle Assembly,
1
See Table 1 on Page 4
a
80029-XXX
• with Integrated Brake Knuckle Assembly
Includes Key Nos. 39-41, 45-49
b
58900-XXX
• with Standard Brake Knuckle Assembly
Includes Key Nos. 39-41, 45-47
34
Right Hand Lower Steering Knuckle Assembly,
1
See Table 1 on Page 4
a
80029-XXX
• with Integrated Brake Knuckle Assembly
Includes Key Nos. 39-41, 45-49
b
58900-XXX
• with Standard Brake Knuckle Assembly
Includes Key Nos. 39-41, 45-47
35
60903-472
Left Hand Upper Steering Knuckle Assembly,
1
Includes Key Nos. 37-38, 40-41
36
60904-402
Right Hand Upper Steering Knuckle Assembly,
1
Includes Key Nos. 37-38, 40-41
60961-630
Kingpin Bushing and Roller Thrust Bearing
Service Kit, One Side, Includes Key Nos. 37-44
37
33117-000
Grease Zerk
2
38
68687-003
Grease Cap Assembly, Upper
2
39
68687-002
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TSB/Document ID: SP-289 RevF
Replacement Service Bulletin Number:
MFR Communication Date: 2018-12-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STEERING
MFR Component System:
MFR Component Subsystem:
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