Hendrickson Trailer Parts Catalog

ULTRAA-K ® Axle / Suspension Air Slider

SLIDER SUSPENSION SYSTEM

SUSPENSION ASSEMBLIES

SYSTEM QTY.

ITEM DESCRIPTION

PART NO.

NOTE

11 HALF-TRAAX AXLE/BEAM WELDMENT

HTRAAX.###

2 4 4 4 2

Contact Hendrickson for assistance

12 ZMD ® AIR SPRING 1

Units built before March 2019 Units built after March 2019

S-34733 S-38000

Straight piston Flared piston

13 CAST AIR SPRING PEDESTAL KIT

S-27447-1

2" pedestal; includes left and right side pedestals and fasteners

14 AIR SPRING MOUNTING KIT (per air spring)

S-22619/2 S-40231-1

4 4

16" ride height

15 ZMD DOWN STOP KIT

Includes down stop and hardware; Use this kit if replacing an old style downstop Includes (2) bushings, (2) pivot bolt kits, (4) bushing tube spacers and lubricant pack Contains 7" bolt, nut and hardened washers

16 TRI-FUNCTIONAL ® PIVOT BUSHING KIT 2

S-26321

2

17 QUIK-ALIGN ® PIVOT BOLT KIT

S-24705

4

18 QUIK-ALIGN ALIGNMENT COLLARS 18a Concentric (inner)

S-20924 S-20925 S-26807

4 4 8

Pivot bolt hole is centered

18b Eccentric (outer)

Pivot bolt hole is offset from center Inner metal outer diameter dimension of TRI-FUNCTIONAL Bushing is 2.6"; Inner hole dimension of BTS 2.95" 1 (2) air tank brackets, (4) hex flange scews and (4) prev-torq hex flange nuts (1) air tank bracket, (2) hex flange scews and (2) prev-torq flange nuts

19 BUSHING TUBE SPACER

20 AIR TANK BRACKET KIT (not shown)

S-34883

1

S-34883/2

2

21 HEIGHT CONTROL VALVE KITS (not shown)

See L1182 Control Parts Catalog

Valves with fittings

VS-33704-3 VS-33705-3 VS-33703-3 VS-33704-1 VS-33705-1 VS-33703-1 VS-33702-1

1 1 1 1 1 1 1 4

HCV with dump HCV with DST ®

Link and valves with fittings

HCV with dump HCV with DST

22 FIXED LINK ASSEMBLY 3 (not shown)

S-27196

23 SHOCK SPACER (not shown)

Included in down stop kit

1. If replacing S-34733 ZMD air spring with S-38000, all air springs on the suspension must be changed to S-38000 ZMD air spring. 2. Bushing tool S-24736 is required to correctly rebush the suspension. 3. Also included in HCV kits.

More information can be found in the following documents OTHER PARTS LISTS

Lit. Number Description

L1055 SURELOK ® Parts List L1102 Slider Accessories and Axle Components Parts List L949 Wheel-Ends & Brakes Parts List L589 TRI-FUNCTIONAL ® Bushing Replacement Tool L1104 Brake Kits and Components Parts List

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www.hendrickson‑intl.com

Refer to Hendrickson Literature No. L1237 - ULTRAA-K ® Parts List

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