HTB ® 21K – Spartan Vehicles
REAR SUSPENSIONS
VEHICLE
VEHICLE
KEY NO. PART NO.
DESCRIPTION
QTY.
KEY NO. PART NO.
DESCRIPTION
QTY.
Shock Absorber Fastener Service Kit,Axle Set, Includes Key Nos. 24-29
1 2
***Frame Hanger
2 2
50754-024
78562-001
Torque Rod Assembly - 15.67",
Includes Key No. 3, Replaces 66797-001
24 25 26 27 28 29
50764-010 22962-001 49842-000 32043-005 22962-004 47764-000 66175-002
¾"-10 UNC x 4¼" Upper Shock Bolt
2 2 2 2 4 2 1
3
64664-000L
**Torque Rod Bushing
4
¾" Hardened Washer ¾"-10 UNC Locknut
Torque Rod Fastener Service Kit,Axle Set,
49176-029 49176-037
K2 -2°, Includes Key Nos. 4a, 5-8
5 ⁄ 8 "-11 UNC x 4½" Lower Shock Bolt
MM -4°, K2 -3½°, Includes Key Nos. 4b, 5-8
5 ⁄ 8 " Hardened Washer 5 ⁄ 8 "-11 UNC Locknut
4
5 ⁄ 8 "-11 UNC Flange Bolt
4
a b
66636-003 66636-004 66637-000 32043-009 22962-004 47764-000 66193-002
K2 -2°, 4.0", Replaces 32043-008, 22962-004
Torque Box Cross Member Assembly,
MM -4°, K2 -3½°, 3½"
Includes Key Nos. 30-36
5
5 ⁄ 8 "-11 UNC Flange Locknut
4
30
64785-005
Torque Box Assembly with Bar Pin Bushing
1
Replaces 47764-000, 22962-004
Replaces 64785-004 Cross Member C-Channel Replaces 64970-000 Cross Member Gusset Cross Member Bar Pin Clamp
6 7 8 9
5 ⁄ 8 "-11 UNC x 3½" Hex Bolt
4 8 4 4
31
67478-000
1
5 ⁄ 8 " Hardened Washer 5 ⁄ 8 "-11 UNC Locknut
32 33
66698-000 67233-000
4 4
Air Spring Bracket Pinion Spacer
K2 (- 2.0° Pinion Angle ONLY ), 16 mm Air Spring Bracket Pinion Shim K2 (-3.5° Pinion Angle ONLY), 1 ⁄ 32 " (0.030") K2 (-3.5° Pinion Angle ONLY), 1 ⁄ 8 " (0.120")
Replaces 65144-000
Cross Member Fastener Service Kit , Includes Key Nos. 34-36
49176-028
10 11 12
65640-001 65640-003
2 2
34 35 36 37 38 39 40 41
32043-016 22962-004 66637-000
5 ⁄ 8 "-11 UNC x 8" Bolt 5 ⁄ 8 " Hardened Washer
8 8 8 1 1 2 2 4
Torque Rod Shim
As Req.
65640-001 65640-002 65640-003 65708-000L 64080-000 66675-000 91430-051 64102-002 48718-501
1 ⁄ 32 " (0.030") 1 ⁄ 16 " (0.060") 1 ⁄ 8 " (0.120")
5 ⁄ 8 "-11 UNC Flange Locknut
Replaces 47764-000
*Axle Bracket (Long Arm Side) *Axle Bracket (Short Arm Side)
13 14 15
Top Pad Assembly, Includes Key No. 14
2 2 2
Axle Stop
66174-000 66274-000 65737-001 66027-001
Axle Bracket Bar Pin Clamp, Non-Adjustable Axle Bracket Bar Pin Clamp,Adjustable
Axle Stop Spacer Plate
U-bolt Service Kit, One Wheel End , Includes Key No. 16 and Kit No. 48718-501
Axle Bracket Spacer - 0.093"
Axle Bracket Fastener Service Kit, Includes Key Nos. 42-44
16
¾"-16 UNF x 14" U-bolt
4
U-bolt Fasteners Service Kit, One Wheel End , Includes Key Nos. 17-18
42
58917-003
¾"-10 UNC x 5½" Bolt Replaces 50764-002 ¾" Hardened Washer ¾"-10 UNC Locknut
4
17 18 19
22962-001 49685-000
¾" Hardened Washer
8 8
43 44
22962-001 49842-000 57977-000 60501-000 57975-000 22962-028 49983-000
8 4 1 1 1 2 2 1 1
¾"-16 UNF U-bolt Locknut
Lower Air Spring Bracket 8°-10° Pinion Angle
Height Control Valve Assembly, Includes Key Nos. 45-48 Height Control Valve HCV Mounting Bracket ¼" Hardened Washer ¼"-20 UNC Locknut
65698-001 65698-002 80087-002
Left Hand Right Hand
1 1 2
45 46 47 48 49 50
20
Air Spring Assembly (FS)
Replaces 66643-002L, 60977-002L
21
60819-000
½"-13 UNC Flange Nut
2
Replaces 17700-010, 22962-014
*Linkage Assembly
22 23
66153-005L 67463-005
Shock Absorber
2 2
*Lower Linkage Mounting Bracket
Shock Absorber Bracket Replaces 65000-005
Not shown 70867-001
P-80 ® Lubricant - 10 ml
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. ** HTB torque rod bushing replacement can be done using the Hendrickson Torque Rod Bushing Assembly Tool (Funnel) Part No. 66086-000L, see Special Tools Section. *** Supplied by Hendrickson Auxiliary Axle Systems.
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Reference Lit. No. SP-186 | 1-866-755-5968
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