SOFTEK ® with STEERTEK ™ NXT Axle – Blue Bird Buses
FRONT SUSPENSIONS
VEHICLE
VEHICLE
KEY NO. PART NO.
DESCRIPTION
QTY.
KEY NO. PART NO.
DESCRIPTION
QTY.
Thrust Bearing Service Kits
1 2 3 4
64488-002
Front Frame Hanger
2 2 4
Axle Set, Includes Kit Nos. 60961-632 & -633 Left Hand Composite Thrust Bearing, Includes Key Nos. 28-29, 31 & Loctite Right Hand Roller Thrust Bearing, Includes Key Nos. 28, 30-31 & Loctite
**M20 x 170 mm Hex Bolt **M20 Hardened Washer
60961-631 60961-632
**M20 Locknut 2 Leaf and ½ Spring Assembly Service Kits, for vehicles built after June 2020
60961-633
34013-428 34013-429
Axle Set, 8.5K, Includes Key Nos. 5a, 7-8 Axle Set, 10K • 12K, Includes Key Nos. 5b, 7-8
28 29 30 31 32 33
68731-000 59828-000 64256-000L 60236-001
Kingpin Seal
4 1 1 4 1 2 1
Left Hand Composite Thrust Bearing Right Hand Roller Thrust Bearing 5 ⁄ 8 " Socket Head Cap Screw Loctite ® (Red) Compound Tube
5
Leaf and ½ Spring Assembly ***Vehicles built after June 2020
2
a b
82586-000 82585-000
8.5K
Not Shown 60937-000
10K • 12K 2-leaf Spring Assembly Service Kits, for vehicles built prior to June 2020 Axle Set, 8.5K, Includes Key Nos. 6a, 7-8 Axle Set, 10K • 12K, Includes Key Nos. 6b, 7-8
64246-000
ABS Sensor Sleeve
Tie Rod Assembly, Includes Key Nos. 34-36, See Selection Guide on Page 173 Tie Rod End Service Kits, See Selection Guide on Page 173 Axle Set, Includes LH and RH Kits Left Hand, Includes Key Nos. 34, 36-38 Right Hand, Includes Key Nos. 35-38 Tie Rod End, Includes Key No. 36
60961-161 60961-162
6
2-Leaf Spring Assembly ***Vehicles built prior to June 2020 8.5K, Replaces 66623-001 10K • 12K, Replaces 66624-001 13.2K, Replaces 66625-001 14.6K, Replaces 66626-001
a b c d
53627-000 53624-000 53625-000 53626-000 60961-643 66510-001 64314-000
34 35 36 37 38
Left Hand, See Selection Guide on Page 173 1 Right Hand, See Selection Guide on Page 173 1
Rear Shackle Service Kit,Axle Set, Includes Key Nos. 7-8
** 7 ⁄
8 " Castle Nut
2 2 2
22962-007 17800-004 60961-069 60238-001 60240-000 60961-669 60961-670 60961-671 60961-672 34013-368 34013-369 34013-370 34013-371 64804-065 64804-075 64804-085 64804-095 22962-001 17700-035 64506-000 66806-001 64519-000 66666-000 64080-000 70105-010 64536-035 64536-060 64536-085 64536-025 64536-050 64536-075
7 ⁄ 8 " Flat Washer
7 8 9
Rear Shackle Bracket Rear Shackle Plate
2 4 4 8 4 2
Tie Rod Nut Cotter Pin
Stop Bolt Service Kit, One Side, Includes Key Nos. 39-40 ½"-13 UNC Square Head Bolt Clamp Group Service Kit, Includes Key Nos. 41-43 • Axle Set ½"-13 UNC Hex Jam Nut
**M20 x 150 mm Hex Bolt **M20 Hardened Washer
10 11 12
39 40
2 2
**M20 Locknut Shock Absorber
a b a b c
58913-009L 58913-010L 59423-032 59423-002 67463-002
8.5K • 10K • 12K 13.2K • 14.6K
13
Shock Absorber Bracket
2
6.5" • 6.8" Ride Height
8.5K • 10K • 12K, vehicles built after June 2020 8.5K • 10K • 12K, vehicles built prior to June 2020
7.8" Ride Height
8.5" • 8.8" Ride Height
13.2K • 14.6K
9.8" Ride Height
14 15 16 17 18
*¾"-10 UNC Upper Shock Bolt *¾"-10 UNC Lower Shock Bolt
2 2 6 4 2
• One Side
6.5" • 6.8" Ride Height
*¾" Hardened Washer *¾"-10 UNC Hex Locknut Shock Absorber Spacer
7.8" Ride Height
8.5" • 8.8" Ride Height
9.8" Ride Height ¾"-16 UNF U-bolt
22962-046 59946-001 68987-XXX
8.5K • 10K • 12K (Flat Washer) - 0.118" Thick
41
4
13.2K • 14.6K - 7 ⁄
8 " Thickness
6.5" • 6.8" Ride Height - 6½" Length 7.8" Ride Height - 7½" Length 8.5" • 8.8" Ride Height - 8½" Length 9.8" Ride Height - 9½" Length
STEERTEK NXT Axle Assembly, Includes Key 1 Nos. 19-40, See Selection Guide on Page 179
19
Axle & Kingpin Assembly
1
68986-007M 68986-001M 68986-004M 68986-003M
8.5K • 10K Narrow
42 43
¾" Flat Washer
8 8
12K Narrow 13.2K Narrow
¾"-16 UNF 2B Nylon Locknut
Top Pad /Axle Stop Assembly, Includes Key Nos. 44-45
14.6K Wide Lower Steering Knuckle Assembly, Includes Key Nos. 26-28, 39-40, See Selection Guide on Page 179
8.5K • 10K • 12K 13.2K • 14.6K
44
Top Pad
2
20 21
58900-XXX 58900-XXX
Left Hand Right Hand
1 1
a b
8.5K • 10K • 12K 13.2K • 14.6K Rubber Axle Stop Front Axle Spacer
Upper Steering Knuckle Assembly, Includes Key Nos. 24-25 27-28, See Selection Guide on Page 179
45 46
2
As Req.
a b b b c c c
LH 6.5" • 6.8" Ride Height - 10 mm Thickness LH 7.8" Ride Height - 35 mm Thickness LH 8.5" • 8.8" Ride Height - 60 mm Thickness LH 9.8" Ride Height - 85 mm Thickness RH 7.8" Ride Height - 25 mm Thickness RH 8.5" Ride Height - 50 mm Thickness RH 9.8" Ride Height - 75 mm Thickness
22 23
60903-XXX 60904-XXX
Left Hand Right Hand
1 1
Kingpin Bushing and Bearing Service Kits Axle Set, Includes Kit Nos. 60961-629 & -630 Left Hand with Composite Thrust Bearing, Includes Key Nos. 24-29, 31 & Loctite
60961-628 60961-629
Right Hand with Roller Thrust Bearing, Includes Key Nos. 24-28, 30-31 & Loctite
60961-630
47
Dowel Pin
2
6.8" Ride Height
None Req.
24 25 26 27
33117-000 68687-003 68687-002 58909-001
Grease Zerk
2 2 2 4
18831-022 18831-021 18831-023
7.8" Ride Height - 1.13" Length 8.5 • 8.8" Ride Height - 2" Length 9.8" Ride Height - 3" Length
Grease Cap Assembly, Upper Grease Cap Assembly, Lower
Kingpin Bushing
175
Reference Lit. No. SP-172 | 1-866-755-5968
For all ( * ) see Notes on Page 179
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