NHTSA ID Number: 10154168
Manufacturer Communication Number: SP-179 RevF
TSB/Document Date: 2019-03-04
Summary
Operation Name: Hendrickson
Truck Commercial Vehicle Systems Document Name: Parts List - Truck Suspension; Past Generation Products Summary: This document provides parts lists for various Hendrickson past generation truck suspension systems.
47417-XXX
16
Spherical Washer
16
49947-000 ¾" - HFS 40K LH
7⁄8" - HFS 36K • 40K
48574-000
17
Hardened Flat Washer
16
22962-001 ¾" - HFS 40K LH
7⁄8" - HFS 36K • 40K
22962-002
18
U-bolt Locknut
16
49685-000 ¾" - HFS 40K LH
7⁄8" - HFS 36K • 40K
50765-000
KEY NO. PART NO.
DESCRIPTION
19
20
VEHICLE
QTY.
Top Pad, Included with Key No. 20
4
Spring Assembly
4
50795-000 HFS 36K • 40K LH
50796-000 HFS 40K
21
Spacer
As Req.
48902-000 1"
48903-000 1½"
22
*Spring Seat Includes Key Nos. 23-25
4
(Rockwell SL, SQ-100, RT34-145, RT40-145,
Eaton D341, D402)
*Casting No. 50567-000
50569-001 2¼° Pinion Angle
50569-004 3¼° Pinion Angle
50569-007 4° Pinion Angle
50569-010 5° Pinion Angle
*Casting No. 50573-000
50575-001 9½° Pinion Angle
50575-004 10½° Pinion Angle
50575-009 12° Pinion Angle
5⁄8"-11 UNC Spring Seat Bolt
23
49063-000
8
5⁄8" Hardened Flat Washer
24
22962-004
8
5⁄8"-11 UNC Axle Cap Nut
25
47764-000
8
26
Axle Bottom Cap
4
(Rockwell RT34-145, RT40-145)
50216-XXX LHF/RHF/LHR/RHR 0-9½° Pinion Angle
50222-XXX LHR/RHR 10-12½° Pinion Angle
(Rockwell SL-100, SQ-100, Eaton D341, D402)
50216-XXX LHF/RHR 0-9½° Pinion Angle
50217-XXX RHF 0-9½° Pinion Angle
50222-XXX LHR 0-9½° Pinion Angle, Replaces 50218-000
RHR 10-12½° Pinion Angle
50222-006 *LHR 10-12½° Pinion Angle, Replaces 50221-000
27
30550-035
1" Center Bushing Bolt
2
28
22962-006
1" Hardened Flat Washer
4
29
08017-000
1" Center Bushing Nut
2
30
47416-000
Thrust Washer
4
31
49803-002
Equalizing Beam Assembly, Includes
2
Key Nos. 32-35, Casting No. 49801-002,
Replaces 49803-003
32
47420-000
Center Bushing, Replaces 48402-000
2
33
17800-013
Cotter Pin
4
34
50432-000
Clevis Pin
4
5⁄8" Hardened Washer
4
35
50924-000
56667-001
50788-000
NOTE: * No longer available. Contact Hendrickson to upgrade to a conversion.
SP-179
15
See Special Tools on Page 22
HN™ 40K • 46K Past Generation
■■ Vehicles
built BETWEEN March 1996 and September 1997
16
SP-179
HN® 40K • 46K Past Generation
KEY NO. PART NO.
DESCRIPTION
1
58223-0XX
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
60879-000L
25114-011
22962-027
48949-000
57962-000
57993-002
57993-003
24531-018
24531-019
22962-014
49846-000
57878-003
57787-000
24531-017
57461-000
58440-001
17
18
19
20
21
22
23
24
50764-006
22962-001
49842-000
60680-003L
22962-001
30585-000
22962-004
58227-
*Saddle Assembly, Includes Key
Nos. 2-12, 14, 16
Bolster Spring Kit, One Set (2-piece)
7⁄16"-20 UNF x 1¼" Bolt
7⁄16" Hardened Washer
7⁄16"-20 UNF Locknut
Auxiliary Spring Assembly
Auxiliary Spring Shim
Auxiliary Spring Shim
½"-13 UNC x 1¾" Bolt
½"-13 UNC x 2¾" Bolt
½" Hardened Washer
½"-13 UNC Locknut
Rebound Strap
*Anchor Plate
½"-13 UNC x 2¼" Bolt
Saddle Vee Bracket
Vee Bracket Fastener Kit, One Side,
Includes Key Nos. 17-19
¾"-10 UNC-2A Hex Head Bolt
¾" Washer
¾"-10 UNC-2B Locknut
Shock Absorber
¾" Washer
5
⁄8" Upper Shock Locknut
5
⁄8" Upper Shock Washer
*Beam Assembly, Specify Length,
Includes Key Nos. 11-15, 25-31
VEHICLE
QTY.
2
KEY NO. PART NO.
DESCRIPTION
25
26
27
28
29
30
2
32
64
32
2
4
6
4
8
40
16
2
4
4
2
31
32
33
34
35
36
37
8
16
8
4
4
4
4
2
38
39
40
41
42
43
44
VEHICLE
QTY.
22962-028
49972-000
49983-000
50698-000
56910-000
¼" Washer
4
Nylon Bushing
2
¼"-20 UNC Locknut
2
¼"-20 UNC x 4½" Bolt
2
Center End Cap
2
Bar Pin End Bushing Service Kit, One Wheel End,
Includes Key Nos. 31-35
34013-088L Shim Type
34013-188L Rotating, Shim Type
**Bar Pin End Bushing
4
Bar Pin Shim
8
50130-000 0.19" /0.19"
50131-000 0.25"/0.12"
48941-000
1"-8 UNC x 6" Hex Bolt
4
22962-008
1" Hardened Washer
8
48942-000
1"-8 UNC Locknut
4
44643-011
Cross Tube
1
60218-000
****Two-Piece ULTRA ROD® Longitudinal Torque
Rod Straddle / Straddle Kit, Includes Key No. 38
47691-000L
ULTRA ROD Straddle Bushing
4
22186-000
Torque Rod Frame Bracket
4
45045-003
Backup Plate
2
60215-000
*****Two-Piece ULTRA ROD Transverse Torque
Rod Straddle / Taper Kit, Includes Key No. 42-43
47691-000L
ULTRA ROD Straddle Bushing
2
64697-000L
ULTRA ROD Taper Bushing
2
***Transverse Rod Axle Bracket
2
NOTES: * No longer available. Contact Hendrickson to upgrade to a conversion.
** Item included in kit/assembly only, part not sold separately.
*** Not supplied by Hendrickson, used for reference only. Hendrickson is not responsible for components supplied by the vehicle
manufacturer. For assistance with maintenance and rebuild instructions on these components see vehicle manufacturer.
**** Hendrickson’s part number is stamped on the rod for identification. Be sure and include suffix number when ordering, this number
indicates rod length. The Hendrickson two-piece ULTRA RODS® can be used to create the desired length, see Torque Rod Selection
Guide Literature No. 45745-148.
***** Transverse rods are mandatory for HN Suspension regardless of axle spacing. See Literature No. 59310-004 and 59310-058 for
more information.
SP-179
17
See Special Tools on Page 22
HN® / HNT™ 40K • 46K Past Generation
■■ Obsolete
February 1996
18
SP-179
HN® / HNT™ 40K • 46K Past Generation
KEY NO. PART NO.
DESCRIPTION
1
2
3
4
5
50787-0XX
25114-011
22962-027
48949-000
49399-000
6
7
8
9
10
11
12
13
18160-011
22962-029
48948-000
49395-000
22962-001
22962-004
30585-000
49976-XXX
14
15
16
17
18
19
20
21
22
23
24
25
26
22962-001
22962-004
30585-000
25114-011
22962-027
48949-000
49972-000
56910-000
64718-000L
50698-000
22962-028
49983-000
49768-000
27
28
29
30
31
32043-004
47764-000
48570-000
49769-000
49770-000
VEHICLE
QTY.
*Saddle Assembly, Includes Key Nos. 2-4, 6-9
7⁄16" Bolt
7⁄16" Washer
7⁄16" Locknut
Rebound Rubber Stop Kit, One Side,
Includes Key Nos. 6-9
5⁄16" Bolt
5⁄16" Washer
5⁄16" Locknut
Rebound Rubber Stop
¾" Inner Washer
5
⁄8" Outer Washer
5
⁄8" Locknut
*Beam Assembly, Specify Length,
Includes Key Nos. 17-25, 36 or 39
¾" Inner Washer
5
⁄8" Outer Washer
5
⁄8" Locknut
7⁄16" Bolt
7⁄16" Washer
7⁄16" Locknut
Nylon Bushing
End Cap
Bolster Springs (2-piece)
¼" Bolt
¼" Washer
¼" Locknut
Rebound Control Kit, One Side,
Includes Key Nos. 27-33
5
⁄8" Bolt
5
⁄8" Locknut
Rebound Control Spring
Anti-Roll Rod
Threaded Washer
2
16
32
16
KEY NO. PART NO.
DESCRIPTION
32
33
34
35
36
4
8
4
2
4
4
4
2
37
38
39
4
4
4
16
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TSB/Document ID: SP-179 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: SUSPENSION
MFR Component System:
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