HTB ® 175M – Workhorse Motorhome
REAR SUSPENSIONS
VEHICLE
VEHICLE
KEY NO. PART NO.
DESCRIPTION
QTY.
KEY NO. PART NO.
DESCRIPTION
QTY.
1 2 3 4 5
66512-000 66319-000 66315-000 66317-000 66316-001 66316-002 58821-022 66323-000 66897-000 22962-004 48411-015 47691-000L 57856-000 49176-027 32043-002 32043-019 47764-000 22962-004 66308-001
Frame Hanger
2 2 2 2
21 22 23
**Rubber Isolator **Retaining Washer **M12 Flange Locknut
4 4 4 1
Coil Spring – 17.5K Coil Spring Hanger
Lower Coil Spring Bracket
66513-002
Torque Box Cross Member Assembly,
Axle Top Pad
Includes Key Nos. 24-31
Left Hand Right Hand
1 1
24 25
64785-005 67478-000
Torque Box, Replaces 64785-004
1 1
Cross Member C-Channel
Axle Clamp Fastener Kit,Axle Set, Includes Key Nos. 6-8
Replaces 64970-000
26
65144-000
Cross Member Bar Pin Clamp (Aluminum)
4
6 7 8 9
5 ⁄ 8 "-18 UNF x 9.45" U-bolt 5 ⁄ 8 "-18 UNF U-bolt Tall Nut 5 ⁄ 8 " Hardened Flat Washer
4 8 8 2 4 4
Cross Member Gusset
27 28 29 30 31 32 33 34 35 36 37
66503-001 66503-002 32043-016 66637-000
Right Hand Top, Left Hand Bottom Left Hand Top, Right Hand Bottom
2 2 8 8 8 1 1
Torque Rod Assembly, Includes Key No.10
5 ⁄ 8 "-11 UNC x 8" Hex Bolt 5 ⁄ 8 "-11 UNC Flange Locknut Replaces 47764-000 5 ⁄ 8 " Hardened Flat Washer
10 11
****Torque Rod Bushing
1 ⁄ 32 " Torque Rod Shim (as required) Torque Rod Fastener Kit,Axle Set, Includes Key Nos. 12-15
22962-004
*Torque Box Axle Bracket - Dana (Short) *Torque Box Axle Bracket - Dana (Long)
12 13 14 15 16 17
5 ⁄ 8 "-11 UNC x 2¾" Hex Bolt 5 ⁄ 8 "-11 UNC x 5½" Hex Bolt
4 4 8
22962-004 66174-000L 66274-000 65737-001 66027-002 58917-003 49842-000 22962-001
5 ⁄ 8 " Hardened Flat Washer
16
5 ⁄ 8 "-11 UNC Locknut
***Non-Adjustable Axle Bracket Bar Pin Clamp ***Adjustable Axle Bracket Bar Pin Clamp
2 2 4
5 ⁄ 8 " Hardened Flat Washer
16
Auxiliary Bumper
2 2
***Axle Bracket Shims
Torque Box Axle Fastener Kit,Axle Set, Includes Key Nos. 38-40
*M10 Flanged Locknut
Shock Absorber Service Kit, One Side, Includes Key Nos. 18-23
60961-149
38 39 40
¾"-10 UNC x 5½" Hex Bolt
4 4 8
18
**Shock Absorber Assembly
2
¾"-10 UNC Locknut
M12 Stud Mount, Includes Key Nos.19-20
¾" Hardened Flat Washer P-80 Lubricant - 10 ml.
19 20
**Upper Shock Spacer Length 1 15 ⁄ 16 " **Lower Shock Spacer Length 2 3 ⁄ 16 "
2 2
Not Shown 70867-001
per Bushing 1
NOTES: * 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. ** Item included in kit / assembly only, part not sold separately. *** In the aftermarket, it is acceptable to replace the non-adjustable axle bracket bar pin clamp (Key No. 35) with the adjustable bar pin clamp and axle bracket shims (Key Nos. 36 and 37). **** HTB torque rod bushing replacement can be done using the Hendrickson Funnel Tool Part No. 66086-000L.
493
Reference Lit. No. SP-213 | 1-866-755-5968
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