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.
8
5⁄8"-11 UNC Axle Cap Nut
8
25
47764-000
26
Center Spring Hanger
2
56833-003
Casting No. 56832-000, Replaces 47434-002,
Casting Nos. 47433, 50642, 56926
49839-XXX
*Casting Nos. 48428-000, 50640-000,
56926-000 - Specify Customer
27
30550-035
1" Center Bushing Bolt
2
28
22962-006
1" Hardened Flat Washer
4
29
08017-000
1" Center Bushing Locknut
2
30
47416-000
Thrust Washer
4
31
47444-001
Equalizing Beam Assembly, Includes Key
2
Nos. 33-34 (Casting No. 47437-000)
36K • 40K, Replaces 47444-004
32
47420-000
Center Bushing, Replaces 48402-000
2
33
47421-000
End Bushing, Replaces 48401-000
4
34
*Shackle Bracket
47440-000 LHF / RHR (Casting No. 47439)
2
47442-000 RHF / LHR (Casting No. 47441)
2
7⁄8"-9 UNC Shackle Bolt
35
48728-000
8
36
47459-000
Shackle Bolt Retainer
4
37
Rear Spring Hanger
2
Casting No. 48529-000
48530-004
Replaces 47436-003 Casting No. 48991
48530-XXX Specify Customer
NOTE: * No longer available. Contact Hendrickson to upgrade to a conversion.
SP-179
9
See Special Tools on Page 22
HA™ 36K • 40K • 46K Past Generation
■■ Obsolete August
1995
10
SP-179
HA™ 36K • 40K • 46K Past Generation
KEY NO. PART NO.
DESCRIPTION
VEHICLE
*QTY.
1
Front Spring Hanger
4
56673-001
Casting No. 56672-001
Replaces Casting No. 49723-000
Replaces Part No. 49726-001, 49047-000
56830-XXXX
Casting No. 56829-001 (Specify Customer)
Replaces Casting No. 48442-000
Replaces Part No. 48533-000
49175-013
Rebound Roller Kit, Axle Set,
Includes Key Nos. 2-6
2
24531-015
½"-13 UNC x 5½" Rebound Bolt
4
3
22962-014
½" Hardened Flat Washer
8
4
57988-000
Rebound Bolt Spacer
4
5
57989-000
Rebound Roller
4
6
49846-000
½"-13 UNC Rebound Bolt Nut
4
7
Torque Rod Assembly - Shim Type Adjustable
4
HA 36K • 40K
48411-001 15.83"
48411-003 16.5"
HA 46K
62009-400 15.75", Replaces 50376-002, 32271-098
62005-420 16.54", Replaces 50376-003, 32271-099
8
Torque Rod Bushing
8
47691-000L 36K • 40K - 62009 and 62005 Series
44695-000L 46K - 32271 Series
57256-000L 46K - 50376 Series
49176-001L
Torque Rod Fastener Kit, Axle Set,
Includes Key Nos. 9-11
5⁄8" Hardened Flat Washer
16
9
22962-004
5⁄8"-11 UNC Torque Rod Bolt
8
10
32043-005
5⁄8"-11 UNC Torque Rod Nut
11
47764-000
8
12
49689-000L
Torque Rod Shim
As Req.
48718-XXX
U-bolt Assembly, Includes Key Nos. 13-16
13
47417-XXX
U-bolt, Specify Length
8
14
48574-000
Spherical Washer
16
7⁄8" Hardened Flat Washer
15
22962-002
16
7⁄8"-14 UNF U-Bolt Locknut
16
50765-000
16
Replaces 23899-000
17
49337-000
Top Pad, Replaces 48797-000
4
18
Main Support Member
4
48112-001 36K (15⁄8")
56871-001 40K (17⁄8") Replaces 48874-001
48645-001 46K (23⁄8") Replaces 48645-000
19
Spacer
As Req.
48902-000 1"
48903-000 1½"
20
Spring Seat, See Table on Page 12
21
Axle Bottom Cap, See Table on Page 13
1
Includes Key Nos. 22-24
5⁄8"-11 UNC x 37⁄8" Axle Cap Bolt
8
22
49063-000
5⁄8" Hardened Flat Washer
8
23
22962-004
5⁄8"-11 UNC Axle Cap Nut
24
47764-000
8
25
48924-000
Shock Frame Hanger, Casting No. 48906-000
4
Includes Key Nos. 26-28
KEY NO. PART NO.
DESCRIPTION
VEHICLE
*QTY.
26
50368-000
½"-13 UNC Shock Bolt, Replaces 48752-000
4
27
22962-031
½" Hardened Flat Washer
8
28
49846-000
½"-13 UNC Shock Nut, Replaces 49140-000
8
29
50804-002
Air Spring Frame Hanger, Casting No. 57455-000 4
Replaces Casting No. 48152-000,
Part No. 57456-000, 48159-000, 50804-001
30
Shock Absorber
4
60670-003L Ford, Replaces 47902-013
60670-001L Mack, Replaces 47902-009
60670-003L All Others, Replaces 47902-008
31
Air Spring
4
50405-002L Ford, Replaces 50405-001
49674-002 **Mack
49048-002L All Others, Replaces 49207-000 and 49048-000
32
Air Spring Bracket Assembly,
Includes Key Nos. 33-36
48908-001 Left Hand (Casting No. 48836-001)
2
48908-002 Right Hand (Casting No. 48836-002)
2
33
50368-000
Shock Bolt, Replaces 48752-000
4
34
22962-001
¾" Hardened Flat Washer
16
35
49842-000
¾"-10 UNC Main Support Member Nut
8
Replaces 49140-000
36
50369-000
¾"-10 UNC Main Support Member Bolt
8
Replaces 48829-000
49177-001
Air Spring Fastener Kit, Axle Set,
Includes Key Nos. 37-40
37
17700-010
½" Nut
12
38
22962-014
½" Hardened Flat Washer
12
39
17700-031
¾" Nut
4
40
22962-001
¾" Hardened Flat Washer
4
41
44642-022
Cross Tube
2
48689-001
Quick Release Kit, Includes Key Nos. 42-43
42
66029-000
***Air Dump Switch (Located In Cab)
1
Replaces Part No. 48914-000
43
48940-000
***Air Switch Name Plate, (Located In Cab)
1
44
30272-000
***Pressure Protection Valve
1
45
57977-000
Height Control Valve
1
Replaces 50433-001/002, 49193-001
46
58994-0XX
Linkage Rod, Specify Length, Includes Key
1
Nos. 47-53, Replaces 58400-, 221072
47
****5⁄16"-18 UNC Jam Nut
48
****5⁄16"-18 UNC Locknut
2
49
****5⁄16" Hardened Washer
2
50
****Valve Arm Clamp
1
51
****Adj. Valve Arm Joint
1
52
****Rubber Grommet
1
53
****Valve Arm Joint
2
54
Transverse Torque Rod Assembly
2
60218-000 36K • 40K, Replaces 52271-000
60215-000 46K, Replaces 50234-000a
55
22186-000
Torque Rod Frame Bracket
2
56
45045-003
Back Up Plate
2
57
Torque Rod Axle Bracket
2
NOTES: * Quantities specified are shown for tandem suspension.
** No longer available. Contact Hendrickson to upgrade to a conversion.
*** See Plumbing Diagram on Page 13.
**** Item included in kit/assembly only, part not sold separately.
SP-179
11
See Special Tools on Page 22
HA™ 36K • 40K • 46K Past Generation
Location of Seat Angle
(Metal Stamped)
Bottom View of
Spring Seat
*ALL HA 46K SPRING SEATS
NOTE: All HA 46K spring seats are no longer
available. Contact Hendrickson to convert
to upgrade to a conversion.
Location of Casting No.
Location of Part No.
**HA 36K • 40K SPRING SEATS SELECTION GUIDE
Key No. 20
LEFT
FRONT
CASTING NO.
SEAT ANGLE
2°
2½°
3°
3½°
4°
4½°
5°
5½°
6°
6½°
7°
Eaton
D341,D402,
D404,D405
Rockwell
RT40-145, SQ100
56500-000
PART NO.
56501-001
56501-002
56501-003
56501-004
56501-005
56501-006
56501-007
56501-008
56501-009
56501-010
56501-011
RIGHT
NO.REQ.
1
1
1
1
1
1
1
1
1
1
1
Eaton
D404, D405
Eaton
D461, D402
Rockwell
RT40-145
56500-000
PART NO.
56501-001
56501-002
56501-003
56501-004
56501-005
56501-006
56501-007
56501-008
56501-009
56501-010
56501-011
Rockwell
SQ100
*56502-000
PART NO.
*56503-001
*56503-002
*56503-003
*56503-004
*56503-005
*56503-006
*56503-007
*56503-008
*56503-009
*56503-010
*56503-011
LEFT
REAR
CASTING NO.
SEAT ANGLE
5°
6½°
7½°
8°
8½°
9°
9½°
10°
10½°
11°
11½°
12°
12½°
13½°
Eaton D404, D405
Eaton D341, D402
Rockwell
RT40-145
56504-000
PART NO.
56505-011
56505-012
56505-018
56505-001
56505-002
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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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