SOFTEK ® with STEERTEK ™ NXT Axle – Blue Bird Buses
FRONT SUSPENSIONS
VEHICLE
VEHICLE
KEY NO. PART NO.
DESCRIPTION
QTY.
KEY NO. PART NO.
DESCRIPTION
QTY.
1 2 3 4
64488-002
Front Frame Hanger
2 2 4
Upper Steering Knuckle Assembly, Includes Key Nos. 24-25 27-28 • 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
**M20 x 170 mm Hex Bolt **M20 Hardened Washer
**M20 Locknut 2 Leaf and ½ Spring Assembly Service Kits, for vehicles built after June 2020
34013-428 34013-429
Axle Set, 8.5K, Includes Key Nos. 5a, 7-8 Axle Set, 10K • 12K, Includes Key Nos. 5b, 7-8
22 23
60903-XXX 60904-XXX
Left Hand Right Hand
1 1
5
Leaf and ½ Spring Assembly ***Vehicles built after June 2020
2
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
a b
82586-000 82585-000
8.5K
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
Right Hand with Roller Thrust Bearing, Includes Key Nos. 24-28, 30-31 & Loctite
60961-630
60961-161 60961-162
24 25 26 27
33117-000 68687-003 68687-002 58909-001
Grease Zerk
2 2 2 4
Grease Cap Assembly, Upper Grease Cap Assembly, Lower
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
Kingpin Bushing
a b c d
53627-000 53624-000 53625-000 53626-000 60961-643 66510-001 64314-000
Thrust Bearing Service Kits
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
60961-631 60961-632
Rear Shackle Service Kit,Axle Set, Includes Key Nos. 7-8
60961-633
7 8 9
Rear Shackle Bracket Rear Shackle Plate
2 4 4 8 4 2
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
**M20 x 150 mm Hex Bolt **M20 Hardened Washer
10 11 12
**M20 Locknut Shock Absorber
Not Shown 60937-000
64246-000
ABS Sensor Sleeve
a b a b c
58913-009L 58913-010L 59423-032 59423-002 67463-002
8.5K • 10K • 12K 13.2K • 14.6K
Tie Rod Assembly, Includes Key Nos. 34-36, See Selection Guide on Page 183 Tie Rod End Service Kits, See Selection Guide on Page 183 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
13
Shock Absorber Bracket
2
8.5K • 10K • 12K, vehicles built after June 2020 8.5K • 10K • 12K, vehicles built prior to June 2020
13.2K • 14.6K
14 15 16 17 18
*¾"-10 UNC Upper Shock Bolt *¾"-10 UNC Lower Shock Bolt
2 2 6 4 2
*¾" Hardened Washer *¾"-10 UNC Hex Locknut Shock Absorber Spacer
34 35 36 37
Left Hand, See Selection Guide on Page 183 1 Right Hand, See Selection Guide on Page 183 1
** 7 ⁄
8 " Castle Nut
2 2
22962-046 59946-001 94987-XXX
8.5K • 10K • 12K (Flat Washer) - 0.118" Thick
22962-007
7 ⁄ 8 " Flat Washer, Used only for Vehicles built
13.2K • 14.6K - 7 ⁄
8 " Thickness
prior to January 2025 Tie Rod Nut Cotter Pin
STEERTEK NXT Axle Assembly, Includes Key
1
38
17800-004 60961-069 60238-001 60240-000
2
Nos. 19-40, Replaces 68987-XXX • 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
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
39 40
2 2
19
Axle & Kingpin Assembly
1
•5.36" Axle Drop
94986-002 94986-003 94986-004 68986-003M
8.5•10K Narrow, Replaces 68986-007M 12K Narrow, Replaces 68986-001M
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
6.5" • 6.8" Ride Height
7.8" Ride Height
13.2K, Narrow 14.6K, Wide •4.25" Axle Drop
8.5" • 8.8" Ride Height
9.8" Ride Height
• One Side
6.5" • 6.8" Ride Height
94986-001 93945-XXX
13.2K, Narrow, Replaces 68986-004M
7.8" Ride Height
Lower Steering Knuckle Assembly, Includes Key Nos. 26-28, 39-40, Replaces 58900-XXX • 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
8.5" • 8.8" Ride Height
9.8" Ride Height ¾"-16 UNF U-bolt
41
4
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
20 21
Left Hand Right Hand
1 1
42 43
¾" Flat Washer
8 8
¾"-16 UNF 2B Nylon Locknut
81
Reference Lit. No. SP-172 | 1-866-755-5968
For all ( * ) see Notes on Page 179
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