SOFTEK ® with STEERTEK ™ Axle – Blue Bird Buses
FRONT SUSPENSIONS
VEHICLE
VEHICLE
KEY NO. PART NO.
DESCRIPTION
QTY.
KEY NO. PART NO.
DESCRIPTION
QTY.
1 2 3 4 5
64488-002
Front Hanger, Replaces 64488-000
2 2 4 2 2
22
Left Hand Upper Steering Knuckle Assembly
1
**M20 x 170 mm Hex Bolt **M20 Hardened Washer
Includes Key Nos. 26, 30
60903-016 60903-058 60903-055 60904-002
8.5K • 10K
**M20 Locknut
13.2K 14.6K
Leaf Spring Assembly
• Vehicles built after 11/06 8.5K, Replaces 66623-001 10K, Replaces 66624-001 13.2K, Replaces 66625-001 14.6K, Replaces 66626-001
23
Right Hand Upper Steering Knuckle Assembly Includes Key Nos. 26, 30 Kingpin Bushing and Bearing Service Kits Axle Set, Includes Kit Nos. 60961-009 & -039 Left Hand with Composite Thrust Bearing, Includes Key Nos. 24-27, 29-31, Loctite Right Hand with Roller Thrust Bearing, Includes Key Nos. 24-26, 28-31, Loctite
1
a b c d e
53627-000 53624-000 53625-000 53626-000
60961-040 60961-009
• Vehicles built prior to 11/06, Component no longer available. Replacement requires for both the leaf spring assembly and rear shackle bracket to be upgraded to 11/06 configuration 8.5K, Replace with 53627-000 and 66510-001 10K, Replace with 53624-000 and 66510-001 Rear Shackle Service Kit,Axle Set, Includes Key Nos. 6a, 7
60961-039
24 25 26
59156-000 58937-000 58909-000
Grease Cap Assembly
4 4 4
Retaining Ring Kingpin Bushing
Thrust Bearing Service Kits
60961-643
Axle Set, Includes Kit Nos. 60961-632 & -633 Left Hand Composite Thrust Bearing, Includes Key Nos. 27, 29-31, Loctite Right Hand Roller Thrust Bearing, Includes Key Nos. 28-31, Loctite
60961-043 60961-041
6
Rear Shackle Bracket w/Bushing
2
a
66510-001
8.5K • 10K, For vehicles built after 11/06 13.2K•14.6K 8.5K • 10K, For vehicles built prior to 11/06
60961-042
b
64316-000 64314-000
7 8 9
Rear Shackle Plate
4 4 8 4 4
27 28 29
59828-000 64256-000L
Left Hand Composite Thrust Bearing Right Hand Roller Thrust Bearing
1 1
**M20 x 150 mm Hex Bolt **M20 Hardened Washer
Kingpin Shim
As Req.
10 11
**M20 Locknut Thrust Washer
60259-001X 60259-002 58910-001 60236-001
0.005" Thickness (Pack of 4)
64159-000
0.047" Thickness
Only for vehicles built prior to 11/06
30 31
Kingpin Seal, Replaces 58910-000 5 ⁄ 8 "-11 UNC Socket Head Cap Screw Loctite (Red) Compound Tube
4 4 1 2
12
Shock Absorber
2
a b
58913-009L 58913-010
8.5K • 10K, Replaces 58913-007
Not Shown 60937-000
13.2K • 14.6K
32 33
64246-000
ABS Sensor Sleeve
13
Shock Absorber Bracket
2
Tie Rod Assembly, 8.5K • 10K, 5.36" Drop, 1 Includes Key Nos. 34-36, See Selection Guide on Page 183 Tie Rod End Service Kits, See Selection Guide on Page 183
a b
59423-002 67463-002
8.5K • 10K
13.2K • 14.6K, Replaces 65000-002
14 15 16 17 18
*¾"-10 UNC Upper Shock Bolt *¾"-10 UNC Lower Shock Bolt
2 2 8 4 2 1
Axle Set, Includes Left Hand and RH Kits Left Hand, Includes Key Nos. 35, 37-38 Right Hand, Includes Key Nos. 36-38 Tie Rod End, Includes Key No. 36, See Selection Guide on Page 183
*¾" Hardened Washer *¾"-10 UNC Hex Locknut Shock Absorber Spacer
59946-001 94987-XXX
STEERTEK NXT Axle Assembly, Replaces
STEERTEK Axle 60952-XXX, See Page 176 for included parts • Vehicles built after January 2025, see Selection Guide on Page 178 • Vehicles built between October 2012 and January 2025, see Selection Guide on Page 179 1 No longer available, see Replacement Guide on Page 182 ****Axle & Kingpin Assembly Left Hand Lower Steering Knuckle Assembly 1
34 35 36 37 38
Left Hand Right Hand
1 1 2 2 2
** 7 ⁄
8 " Castle Nut
22962-007 17800-004 60961-069
7 ⁄ 8 " Flat Washer
Tie Rod Nut Cotter Pin
Stop Bolt Service Kit, One Side, Includes Key Nos. 39-40 ½"-13 UNC Square Head Bolt
19
64905-004
39 40 41
60238-001 60240-000
2 2 2
20
½"-13 UNC Hex Jam Nut
Includes Key Nos. 26, 30
Top Axle Wrap
58900-035 58900-033 58900-031 58900-055 58900-053 58900-051 58900-036 58900-034 58900-032 58900-056 58900-054 58900-052
150 Ackermann Air Brake, Includes Key No. 32 200 Ackermann Air Brake, Includes Key No. 32 250 Ackermann Air Brake, Includes Key No. 32
59952-003 59952-026 64722-003 60961-015
8.5K • 10K
13.2K • 14.6K
42
Bottom Axle Wrap
2
Top/Bottom Axle Wrap Liner Service Kit, One Side, Includes Key Nos. 43-44
150 Ackermann Hydraulic Brake 200 Ackermann Hydraulic Brake 250 Ackermann Hydraulic Brake
43 44
60508-000 59845-000
Top Axle Wrap Liner Bottom Axle Wrap Liner
2 2
21
Right Hand Lower Steering Knuckle Assembly
1
Clamp Group Service Kit,Axle Set, Includes Key Nos. 45-47, See Selection Guide on Page 182 ¾"-16 UNF U-bolt , see Selection Guide
Includes Key Nos. 26, 30
150 Ackermann Air Brake, Includes Key No. 32 200 Ackermann Air Brake, Includes Key No. 32 250 Ackermann Air Brake, Includes Key No. 32
45
64804-XXX
4
150 Ackermann Hydraulic Brake 200 Ackermann Hydraulic Brake 250 Ackermann Hydraulic Brake
on Page 182 ¾" Flat Washer
46 47
22962-001 17700-035
8 8
¾"-16 UNF 2B Nylon Locknut
85
Reference Lit. No. SP-172 | 1-866-755-5968
For all ( * ) see Notes on Page 179
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