Hendrickson Truck Parts Catalog

ULTIMAAX ® – Peterbilt Vehicles

REAR SUSPENSIONS

VEHICLE

KEY NO. PART NO.

DESCRIPTION

QTY.

KEY NO. PART NO.

DESCRIPTION

QTY.

Equalizing Beam Assembly, Includes Key

*M10 x 1.5 x 35 mm 6g Flange Bolt

8 8 4

Nos. 3-4

10 11

*M10 x 1.5 Flange Locknut

78634-560 78634-600 80192-560 80192-600

60K, 56" Beam Length 60K, 60" Beam Length 70K, 56" Beam Length

80964-001M Saddle Assembly, Replaces 80964-001

Saddle Only Fasteners Service Kit, One Side, Includes Key Nos. 12-13

34013-197

70K, 60" Beam Length Cross Tube Service Kit, Includes Weldable Loose End Plug (Not Shown)

12 13 14

*M20 x 1.5 x 75 mm Flange Bolt

8 8 4

*M20 x 1.5 Flange Nut

80965-001 60961-879

Saddle Cap

Saddle Cap Fasteners Service Kit, One Side, Includes Key Nos. 15-16

60961-759 60961-875

60K, Includes Key No. 2a

70K, Includes Key No. 2b & Circlip (Not Shown)

Cross Tube, 1140 mm

15 16 17 18

*M20 x 1.5 x 175 mm Flange Bolt

8 8 4 4

a b

44642-008 78962-001

60K

*M20 x 1.5 Flange Locknut

70K Equalizing Beam Bushings Service Kit, One Beam, 6" Bushing 60K, Includes Key No. 3a, 4-5, 15-16 70K, ncludes Key No. 3b, 4-5, 15-16 Center Bushing Assembly, Includes End Plug

60680-016L 78630-001 60961-818

**Shock Absorber Upper Shock Bracket

Upper Shock Fasteners Service Kit, One Beam, Includes Key Nos. 19-20

34013-290 34013-291

19 20 21

*M16 x 2 x 140 mm Flange Bolt

4 4 2

*M16 x 2 Flange Nut

a b

69538-000L 78676-001 34013-052

60K

8232-0000-XXX ***Longitudinal Severe-duty TRAAX ROD ™

70K, Includes Circlip, Replaces 80539-001 End Bushing and Adapter Service Kits, One Wheel End, 60K-70K, Includes Key No. 4-5 End Bushing, 60K-70K, 6" Bushing End Bushing Adapter Assembly, 60K-70K Frame Hanger, see Selection Guide below Shear and Progressive Load Spring Service Kit, One Side, Includes Key Nos. 7-10, 12-13, 15-16, 30

Assembly, Straddle/Straddle, Specify Length in mm, Replaces V-rod Assembly

22 8236-0099-XXX ****Transverse Severe-duty TRAAX ROD Assembly, 2 Straddle/Taper, Specify Length in mm Replaces V-rod Assembly Not Shown 49689-000L Torque Rod Shim As Req. 23 *****V-rod Assembly 2 24 *****Corner Bracket 4 25 *****M20 x 2.5 x 65 mm Flange Bolt 10 26 *****Axle Apex Bracket Front 2° 1 Rear 9° 1 27 60613-000 Rebound Support Angle 4 28 60818-002 ½" x 2¼" Flange Bolt 8 29 60819-000 ½" Flange Nut 8 30 70867-001 P-80 Lubricant - 10 ml (Not Shown) As Req.

4 5 6

10363-000L 21140-007

4 4 2

60961-876

Shear Spring Service Kit, One Side Includes Key Nos. 7, 12-13, 15-16, 30

60961-877

*Shear Spring

Progressive Load Spring Service Kit, One Side Includes Key Nos. 8-10

60961-822

*Progressive Load Spring (PLS)

Progressive Load Spring Fasteners Service Kit, One Side, Includes Key Nos. 9-10

60961-812

NOTES: Quantities specified are for the vehicle. Quantities of service kit components may vary from amount shown in the list. LONGITUDINAL and Transverse TRAAX Rod bushings are non-serviceable, the entire torque rod assembly requires replacement.Visit

TRAAX ROD website www.traaxrods.com for more information. * Item included in kit/assembly only, part not sold separately. ** Shock absorbers are mandatory for the tractor applications and optional for truck applications.

*** Longitudinal torque rod length may vary depending on the desired pinion angles for the axles and vehicle configuration. **** Transverse torque rods are mandatory for the ULTIMAAX rear suspension regardless of axle spacing.Transverse troque rod length may vary depending on the axle type and axle bracket. ***** V-rod assembly and parts are no longer available for production after February 2021, contact Hendrickson Truck Parts at truckparts@hendrickson-intl‌.‌com or Tech Services at wdtechservices@hendrickson-intl.com for options. HENDRICKSON ULTIMAAX Gauge Card to measure in unloaded condition (1) the height of the progressive load spring (PLS) and (2) the length of cut / split of the shear spring and PLS, order online www.hendrickson-intl.com/tools/gauge-request-form • Literature No. 48422-598 (Truck PLS 78897-001)

■ Frame Hanger Selection Guide

FIGURE 1

Key No. 6

60K lb. • 70K lb. Capacity

Bottom of Frame

Capacity (lb.)

Frame Width

♦ Ride Height

♦♦ Saddle Height

♦ Axle Drop

Frame Hanger Part Number

34"

80821-004 80821-104 80821-009 80821-107

Saddle Height

60K

13"

20.25"

7.75"

34.75"

34"

of Center Bushing

70K

13"

21.25"

8.66"

34.75"

♦ For reference only, ♦♦ See Figure 1 for Saddle Height

591

Reference Lit. No. SP- 308 | 855-743-3733