38Hendrickson Truck and Trailer Suspension

HAULMAAX® VANTRAAX® TRUCK & TRAILER SUSPENSION PARTS MIDWESTWHEEL.COM MEMBER KANSAS CITY 5801 E. Front St. Main ....(816) 471-1552 Parts....(800) 821-7402 JOPLIN 2424 Stephens Blvd. Main ....(417) 717-6022 Parts....(866) 318-9111 SPRINGFIELD 812 Lillian Dr. ∙ Strafford, MO Main ....(417) 429-2476 Parts....(800) 785-3705 SIOUX CITY 1819 4th St. Main ....(712) 252-7969 Parts....(800) 943-3534 CEDAR RAPIDS 200 50th Ave. S.W. Main ....(319) 365-4453 Parts....(800) 332-5435 DES MOINES 1436 E. Ovid Ave. Main ....(515) 265-1491 Parts....(800) 888-0248 CLEAR LAKE 840 Hwy. 18 W. Main ....(641) 357-7101 Parts....(800) 397-5630 DAVENPORT 8502 Northwest Blvd. Main ....(563) 322-2671 Parts....(800) 553-1886 OMAHA 5822 F St. Main ....(531) 239-3050 Parts....(800) 322-8757 NEBRASKA IOWA MISSOURI August 2023 (38Hendrickson Truck and Trailer Suspension) MIDWEST WHEEL IS YOUR SOURCE FOR... ▪ HAULMAAX® / HN SERIES ▪ RT™ & RTE™ ▪ RS™ ▪ HAS™/ MAX AIR ▪ PRIMAAX® ▪ AIRTEK® TRUCK SUSPENSION TRAILER SUSPENSION ▪ INTRAAX® ▪ VANTRAAX® ▪ HT™ SERIES CATALOG NUMBER 38 www.midwestwheel.com Order NLINE™ www.midwestwheel.com Order NLINE™

2 TRUCK SUSPENSION PROGRAM HAULMAAX® / HN SERIES HN SERIES HAULMAAX Parts & Kits for Haulmaax & HN Series Suspensions Wear Plate Auxiliary/ Progressive Spring & Shims Tie Bar Bolster Spring Equalizing Beam Rebound Strap Saddle Assembly Transverse Rod Torque Rod Bushing Torque Rod APPLICATION: VOCATIONAL Progressive Spring Auxiliary Spring Bolster Spring Description P/N Qty. Bolster Springs Haulmaax Tie-Bar Bolster Spring Kit (Includes 2 springs & 1 wear plate) HTK64179-048 2 Complete Haulmaax Tie-Bar Bolster Spring Kit (Includes 2 springs, 1 wear plate & 1 Auxiliary Spring) HTK60961-712 2 HN Series Bolster Spring (2 springs) HTK60879-000L 2 Auxiliary/Progressive Springs Progressive Load Spring Service Kit (One Side) HTK60961-745 2 Auxiliary Load Spring Service Kit (One Side) HTK64179-004 2 Bar Pin End Bushing Kit Shim Type (1 wheel end) HTK34013-088L 4 Rotating (1 wheel end) HTK34013-188L 4 Equalizing Beam Rotatable bar pin end bushing (HTK34013-188L) for quick & easy install HMX460 54" Beam Assy w/ Shock Bracket HTK080225-001 2 HMX460 54" Beam Assy w/o Shock Bracket HTK080226-001 2 HN462 54" Beam Assy HTK080227-002 2 HN402 52" Beam Assy HTK080228-008 2 Saddle Assembly HMX400 HTK64642-000 2 HMX460 HTK64643-000 2 Shock Absorbers (Not Pictured) 16.5" Haulmaax HTK60680-005L 4 17.5"/18.5" Haulmaax HTK60680-006 4 HN Series Shock HTK60680-003 4 Torque Rods 2 Piece Torque Rod Kit HTK60218-000 2 Taper Bushing HTK64697-000H 2 Parts Rebound Strap Service Kit, Includes Rebound Strap, Rebound Clip, (4) Flange Bolts, (4) Flange Nuts, (2) Hex Bolt, and (2) Locknuts HTK64179-028 2 Rebound Strap HTK57878-003 2 Wear Plate HTK64890-000 4 Qty. per suspension End Bushing HN Series P/N HTK60879-000L Haulmaax P/N HTK64179-048 Haulmaax P/N HTK60961-712 Bolster Spring Kit Complete Bolster Spring Kit

3 Spring Assembly Spring Eye Bushing Spring Hanger Torque Rod Bushing Torque Rod End Bushing Cross-tube Equalizing Beam Center Bushing Saddle Assembly RT™ & RTE™ APPLICATION: VOCATIONAL Description P/N Qty. Rubber End Bushing & Adapter Service Kits 440 Kit (1 Wheel End) HTK34013-049L 4 520 Kit (1 Wheel End) HTK34013-050L 4 340 Kit (1 Wheel End) HTK34013-048L 4 Bar Pin End Bushing Service Kit Non shim (1 Wheel End) HTK34013-087L 4 Shim Type (1 Wheel End) HTK34013-088L 4 Rotating (1 Wheel End) HTK34013-188L 4 Center Bushings R340 Rubber HTK06664-000L 2 R340 Rubber w/ Loose End Plug HTK22279-000L 2 R380 Rubber HTK05919-000L 2 R380 Rubber w/ Loose End Plug HTK22282-000L 2 R400 Rubber HTK49400-000L 2 R400 Rubber w/ Loose End Plug HTK49600-000L 2 R520 Bronze Service Kit (2 Beams) HTK30437-000L 2 R520 Rubber HTK29483-005L 2 Cross Tube R480 44.88" HTK44643-009L 1 R340 44.88" HTK44642-008L 1 Cross Tube (Specify length to define last three digits in part number) HTK44643-XXX 1 Spring Assembly RT400 AUT50-267OE 2 RT400/403 AUT50-291OE 2 RT440 AUT50-215 2 RT480 AUT50-301 2 RTE400 AUT50-275 2 RTE480 AUT50-299 2 Spring Assembly (includes spring eye bushing) HTK45027-000 2 Torque Rods Tube End, Female, 5/8" Bushing & Hole Dia. HTK66610-000H 2 Spacer End, Male, 27" Straddle, 5/8" Bushing & Hole Dia. HTK66661-000H 2 Spacer End, Male, 27" Straddle, 3X1 1/4" Taper HTK66681-000H 2 Spacer End, Male, 27" Straddle, 2 X 1 1/8" Taper HTK66671-000H 2 Torque Rod Bushings (2.5" Wide) HTK44694-000L 2 (2.75" Wide) HTK44695-000L 2 (3" Taper) HTK44697-000L 2 Parts & Kits for RT & RTE Suspensions Qty. per suspension HTKRT403KIT* Hardware Kit for spring service. Includes the following Hendrickson parts: Qty HTK30550-001 8 ¾" bolt, used with 6" tall saddle, casting #57167 4 HTK22962-006 1" washer 8 HTK08017-000 Lock Nut 4 HTK00194-000 Spacer 1 HTK43146-000L Pin 1 HTK29828-035L Forward hanger lock pin bolt kit - bolt, washers and locknut 1 HTK33117-00 Grease Fitting 1 HTK29828-023 Hardware Kit for rear hanger service (often changed at the same time). Includes the following Hendrickson parts: Qty HTK22962-011 1/2" Hardened Washer 4 HTK24531-005 1/2"-13 UNCx6-1/2" Bolt 2 HTK49846-000 1/2"-13 UNC Locknut 2 HTK00194-000 Rebound Bolt Spacer 2 *Hardware kit for use with 6" tall saddle, casting #57167. For suspensions using 7 3/16" saddle height, casting #57143, use 30550-006 bolts (10" bolt). Hardware Kits

4 RS™ APPLICATION: VOCATIONAL PRIMAAX® APPLICATION: VOCATIONAL Parts & Kits for RS Suspensions Parts & Kits for PRIMAAX Suspensions Description P/N Qty. D-Pin Service Parts Bushing - PAX 460, 8.5-10", 12 1/2", 14 3/8", 15 1/2" Ride Height Air Spring HTK60383-000 4 Bushing, PAX 520, 10" Ride Height HTK65381-000 4 Single Service Kit For PAX 520, 10" Ride Height HTK34013-114 4 Quik Align Bushings PAX 460: 8.5"-10", 12 1/2, 14 3/8", 15 1/2" Ride Height, PAX 520 10" Ride Height HTK58648-000 2 Pivot Bushings, PAX 520, 10" Ride Height (1 Axle Only) HTK60632-020 2 Description P/N Qty Torque Rods Tube End, Female, 5/8" Bushing & Hole Dia. HTK66610-000H 2 Spacer End, Male, 27" Straddle, 5/8" Bushing & Hole Dia. HTK66661-000H 2 Spacer End, Male, 27" Straddle, 3X1 1/4" Taper HTK66681-000H 2 Spacer End, Male, 27" Straddle, 2 X 1 1/8" Taper HTK66671-000H 2 Torque Rod Bushings (2.5" Wide) HTK44694-000L 2 (2.75" Wide) HTK44695-000L 2 (3" Taper) HTK44697-000L 2 Description P/N Qty Air Spring PAX 460: 8.5”-10” Ride Height HTK1R12-1093 2 Shock Absorber PAX 460, 8.5"-10" Ride Height MO 65504 2 Height Control Valves w/ Dump - PAX 460, 12 1/2", 14 3/8", 15 1/2" Ride Heights HTK57977-000 1 Universal w/ Dump (Valve Only) HTK59013-000 1 Universal (No Dump, Valve Only) TN VS-227 1 Height Control Valve Air Spring Cross Brace Shock Absorber D-Pin Bushing Support Beam Frame Hanger U-Bolts Pivot Bushing & Quik-Align Torque Rod & Bushing Torque Rod Torque Rod Bushing Vertical Drive Bushing Cross-tube End Bushing Equalizing Beam Center Bushing Saddle Assembly Load Cushions Frame Hanger Transverse Rod & Bushing Description P/N Qty. End Bushing & Adapter Kits 440 Kit (1 Wheel End) HTK34013-049L 4 520 Kit (1 Wheel End) HTK34013-050L 4 340 Kit (1 Wheel End) HTK34013-048L 4 Bar Pin End Bushing Kits Non Shim (1 Wheel End) HTK34013-087L 4 Shim Type (1 Wheel End) HTK34013-088L 4 Rotating (1 Wheel End) HTK34013-188L 4 Center Bushings R340 Rubber HTK06664-000L 2 R340 Rubber w/ Loose End Plug HTK22279-000L 2 R380 Rubber HTK05919-000L 2 R380 Rubber w/ Loose End Plug HTK22282-000L 2 R400 Rubber HTK49400-000L 2 R400 Rubber w/ Loose End Plug HTK49600-000L 2 R520 Bronze Service Kit (2 Beams) HTK30437-000L 1 R520 Rubber HTK29483-005L 2 Cross Tube R480 44.88" HTK44643-009L 1 R340 44.88" HTK44642-008L 1 Load Cushions RS-400 - On & Off Hwy HTK48973-000 4 RS-460 Thru 520 - On & Off Hwy HTK26953-000 4 RS-460 Thru 520 Heavy Duty HTK24209-000 4 Qty. per suspension Qty. per suspension

5 Height Control Valve Two-Piece Knuckle Air Spring Shock Absorber Unitized hub and ABS ready King Pin Convolute Leaf Spring STEERTEK Axle HAS™ / MAX AIR APPLICATION: VOCATIONAL 46K+, ON HIGHWAY 40K AIRTEK® APPLICATION: FRONT STEER, ON HIGHWAY ONLY Parts & Kits for HAS & MAX AIR Suspensions Parts & Kits for AIRTEK Suspensions Description P/N Qty. Kingpin Bushing & Bearing Service Kit Axle Set, All Makes HTK60961-040 2 Air Springs Freightliner CAS69914 (Ref # 69782-002L) 2 Volvo - 13.2K/14.6K HTK60716-002L 2 Volvo - 12.5K CAS69915 (Ref # 60750-002) 2 International HTK65790-002L 2 Height Control Valves Freightliner (RH) HTK59935-002L 1 International (LH) HTK59935-011 1 Volvo (Single, RH) HTK59935-009 1 Shock Absorber Freightliner HTK58913-003L 2 Volvo HTK64838-003L 2 International (Day Cab) HTK65992-002L 2 International (Sleeper) HTK65992-001L 2 Leaf Spring Century Class S/T Columbia 1350, Western Star (Set Back) Replaces 59930-001 HTK59930-021 2 Torque Rod Bushing Main Support Member “Z” Bar Transverse Torque Rod Height Control Valve Shock Absorber Air Spring U-Bolts Spring Seat Torque Rod Slipper Pad Spring Hanger Qty. per suspension Qty. per suspension Description P/N Ref. # Qty. Torque Rod Bushing HTK47691-000L 4 Air Spring Assy HA (All Except Ford Or Mack) CAS64276 49048-002 2 HA (Ford) CAS68615 50405-002 2 HA (Mack) CAS64276 49048-002 2 HAS - 400/402/460/190/210/230 CAS64265 571220-002 2 HAS - Low Ride Height Model (400L/402L/150L/190L/210L/230L) CAS69644 56917-001 2 Air Spring Max Air AL 405 CAS69659 58786-002 2 Height Control Valves Assy -HAS (Mack Max Air) HTK59899-000 1 Assy w/ Dump - HAS HTK57977-000 1 Assy (No Dump) - HA, HAS HTK60826-000 1 Universal w/ Dump (Valve Only) HTK59013-000 1 Universal (No Dump, Valve Only) TN VS-227 1 Description P/N Ref. # Qty. Shock Absorber HAS - Standard MO 65484 48752-000 2 HAS - Volvo (Single & Tandem) HTK60675-001 2 HAS - High Torque MO 65484 60675-003 2 Max Air Shock HTK57241-006 2 Main Support Member - ‘Z’ Bar HA HTK56871-001 2 HAS (46K) HTK56946-000 2 HAS (40K) HTK56943-000 2 Max Air (Left) HTK58691-000 2 Max Air (Right) HTK58768-000 2

6 AAT 23K, 25K, 30K Top Mount Replacement Parts (Wide Bushing) Description P/N OE Ref. Per Axle QUIK-ALIGN® PIVOT BOLT KIT Includes 10" shear-type bolt, nut and washers TN S-24679 2 QUIK-ALIGN PIVOT BUSHING KIT Standard, Includes bushing, pivot bolt kit, bushing tube spacers & lube TN S-24691 2 BUSHING TOOL Required to correctly rebush the suspension. TN S-21307 - BUSHING TUBE SPACERS (4) required per axle TN S-21099 4 AIR SPRING AAT 23K 13.5" to 19" RH CAS64645 S-21800 2 AAT 23K 12" to 13" RH TN S-26773 2 AAT 23K ZMD Design - Steel Piston (Pre Nov. 2019 Production) TN S-35510 2 AAT 23K ZMD Design - Plastic Piston (Post Nov. 2019 Production) TN S-39400 2 AAT 25K 13.5" to 19" RH CAS64421 S-21784 2 All AAT 30K Models CAS65593 S-27341 2 All ULTRAA-K Slide is ZMD Design (w/ chain instead of shock, see pg 7) - Straight Piston TN S-34733* 2 All ULTRAA-K Slide is ZMD Design -Flared Piston w/ larger dia. base TN S-38000* 2 SHOCK ABSORBER AAT 23K and 25K models, standard or limited rebound MO 65419 S-23566, S-23361 2 All AAT 30K models MO 65416 S-24023 2 INTRAAX® Universal Intraax Parts Description P/N OE Ref. Per Axle ALIGNMENT COLLARS Eccentric alignment collar (outer), Pivot hole is offset from the center of collar TN S-20925 2 Concentric alignment collar (inner), Pivot hole is in center of collar TN S-20924 2 AIR SPRING MOUNTING KIT 13.5", 14", 18" and 19" RH TN S-22619/2 2 15" RH TN S-22630/2 2 16" RH TN S-22631/2 2 17" RH TN S-22632/2 2 AIR SPRING SPACER Plastic, 11/8" Thick spacer, 15" RH TN S-22510-1 2 Plastic, 17/8" Thick spacer, 16" RH TN S-22510-2 2 Plastic, 31/8" Thick spacer, 17" RH TN S-22510-3 2 S-CAM Left, for 16.5" Brakes EU E-11866 S-24636-1L 1 Right, for 16.5" Brakes EU E-11867 S-24636-1R 1 CAM TUBE KIT For 16.5" Brakes - includes cam tube, support brackets, screws, nuts, washers, rings. For models shipped after April 2001 TN S-28890 2 HEIGHT CONTROL VALVE No Dump TN VS-227 1 Integral Dump TN VS-228 1 Differential Height Control Valve w/ Dump - Used on systems w/ (DST) Dock Stabilizing Technology TN VS-27116 1 BOLTED LINKAGE ASSEMBLY TN S-14187 1 AXLE / BEAM WELDMENT Call for more information TN HTRAAX.XXXX - FRAME BRACKET Call for more information Various - PIVOT CONNECTION FRAME BRACKETS BUSHING TUBE SPACER FRAME BRACKET WITH UPPER SHOCK MOUNT HTRAAX (AXLE/BEAM WELDMENT) SHOCK ABSORBER AIR SPRING AIR SPRING MOUNT KIT CAM TUBE KIT S-CAM ECCENTRIC ALIGNMENT COLLAR CONCENTRIC ALIGNMENT COLLAR TRAILER SUSPENSION PROGRAM *Note: These air springs should NOT be mixed on the same air slider suspension system

7 BODY RAIL QUIK-DRAW™ BODY RAIL CLIP SLIDER BOX ASSEMBLY (AMBOX) AANT 23K Top Mount Replacement Parts (Narrow Bushing) Description P/N OE Ref. Qty. AIR SPRING Standard Pressure 12" to 13" RH TN S-26773 2 Standard Pressure 13.5" to 19" RH CAS64645 S-21800 2 Low Pressure 13.5" to 19" RH CAS64421 S-21784 2 ZMD Design - Steel Piston (Pre Nov. 2019 Production) TN S-35510 2 ZMD Design - Plastic Piston (Post Nov. 2019 Production) TN S-39400 2 QUIK-ALIGN® PIVOT BOLT KIT Includes 7" shear-type bolt, nut and washers TN S-24705 2 BUSHING TUBE SPACERS TN S-26807 4 TRI-FUNCTIONAL BUSHING KIT Includes (2) bushings, pivot bolt kit, bushing tube spacers & lube TN S-26321 1 BUSHING TOOL Required to correctly rebush the suspension. TN S-24736 - SHOCK ABSORBER 13.5" to 19" RH MO 65419 S-23566 2 13.5" to 17.5" high control models, 13.5" to 19" limited rebound MO 65419 S-23361 2 13" RH; Standard travel, high control models MO 65511 S-23651 2 13.5" to 19" RH; Extended service with high damping MO 65416 S-24023 2 12" RH; Extended service with high damping MO 65512 S-23743 2 13" RH, Extended service with high damping, high control models MO 65465 S-24579 2 INTRAAX®, continued SEE INTRAAX® FOR SUSPENSION REPLACEMENT PARTS OPPORTUNITIES VANTRAAX® Description P/N Qty. AFTERMARKET SLIDER BOX REPLACEMENT Call for more information TN AMBOX.### 1 QUIK-DRAW® PNEUMATIC PIN-PULL MECHANISM Front Linear Actuator w/ Fittings, 48" & 54" box, Order Pin Extension for 54" box TN S-28061-2 1 Reag Linear Actuator w/ Fittings, 48” & 54” box, Order Pin Extension for 54” box TN S-28062-2 1 QUIK-DRAW VALVE Three-way Auto Reset Valve TN VS-25223 1 Three-way Auto Reset Valve Assembly with Fittings TN VS-25224 1 QUIK-DRAW VALVE KNOB with SET SCREW TN VS-25849 1 HANDLE ASSEMBLY Handle and grip assembly TN S-25592 1 BODY RAIL CLIP 3.8" clip height, Use with 6" hole centers and 1.375" locking pin TN S-24460 4 3.4" clip height , Use with 4" hole centers and 1.625" (1-5/8") locking pin TN S-24459 4 SLIDER WEAR PAD KIT Includes (1) slider wear pad and (8) screws TN S-14342-3 2 Universal Slider Box Parts ZMD® Zero Maintenance Damping® Eliminates Shock Absorbers • Standard on VANTRAAX™ ULTRAA-K™ • Optional on VANTRAAX™ 40K Features: • Durable chain down stop • Reduced maintenance • Enhances ride quality • Extends trailer life • Reduced risk of CSA violations • Improved tire wear Damped Air Spring • Standard upper and lower mounting • Standard internal bumper • Sealed piston • Stronger than standard VANTRAAX™ air spring Chain Down Stop • Zinc plated, steel chain • Shock absorber bushings • Covered to limit motion • Attaches to existing shock mounts Air Springs TN S-34733 - Straight Piston TN S-38000 - Flared Piston w/ larger dia. base *Note: These air springs should NOT be mixed on the same air slider suspension system

8 VANTRAAX®, continued Universal Vantraax Parts Description P/N OE Ref. Per Axle ALIGNMENT COLLARS Eccentric alignment collar (outer), Pivot hole is offset from the center of collar TN S-20925 2 Concentric alignment collar (inner), Pivot hole is in center of collar TN S-20924 2 S-CAM Left, for 16.5" Brakes EU E-11866 S-24636-1L 1 Right, for 16.5" Brakes EU E-11867 S-24636-1R 1 CAM TUBE KIT For 16.5" Brakes - includes cam tube, support brackets, screws, nuts, washers, rings. For models shipped after April 2001 TN S-28890 2 HEIGHT CONTROL VALVE No Dump TN VS-227 1 Integral Dump TN VS-228 1 Differential Height Control Valve w/ Dump Used On Vantraax With (DST) Dock Stabilizing Technology TN VS-27116 1 BOLTED LINKAGE ASSEMBLY TN S-14187 1 Description P/N OE Ref. Qty. AIR SPRING 16" RH and above CAS64636 S-22948 4 16" RH and above CAS64638 S-21966 4 Below 16" RH CAS64645 S-21800 4 AIR SPRING MOUNTING KIT (per air spring) WITH CAST AIR SPRING PEDESTAL 14"-18" RH TN S-22619/2 4 19" RH TN S-22630/2 4 AIR SPRING SPACER 1-1/8" thick spacer, 19" RH TN S-22510-1 4 SHOCK ABSORBER Standard Duty MO 65419 S-23566 4 TRI-FUNCTIONAL® PIVOT BUSHING KIT* Includes (2) bushings, (2) pivot bolt kits, (4) bushing tube spacers and lubricant pack TN S-26321 2 BUSHING TOOL Required to correctly rebush the suspension. TN S-24736 - QUIK-ALIGN® PIVOT BOLT KIT Contains 7" bolt, nut and hardened washers TN S-24705 4 BUSHING TUBE SPACER TN S-26807 8 HKANT 46K Replacement Parts (Narrow Bushing / Tapered Beam Model) HKANT 40K / HKA180 Replacement Parts (Narrow Bushing) Description P/N OE Ref. Qty. AIR SPRING 16" RH and above (Shipped prior to January 2008) CAS64636 S-22948 4 16" RH and above CAS64638 S-21966 4 (Shipped after January 2008) CAS67588 S-28929 4 Optional ZMD Air Spring 16" RH (Suspension has chains instead of shocks, see page 7) TN S-34733* 4 Optional ZMD Design -Flared Piston w/ larger dia. base TN S-38000* 2 AIR SPRING MOUNTING KIT (per air spring) WITH 2" WELD-ON AIR SPRING PEDESTAL 15" and 19" RH TN S-22631/2 4 15.5" RH TN S-22632/2 4 16", 16.5" and 17" RH TN S-22619/2 4 AIR SPRING MOUNTING KIT (per air spring) WITH CAST AIR SPRING PEDESTAL 14"-18" RH TN S-22619/2 4 19" RH TN S-22630/2 4 AIR SPRING SPACER WITH 2" WELD-ON AIR SPRING PEDESTAL 14" and 16.5" RH, 3/4" thick spacer TN S-22510-4 4 15.5" RH, Requires both the 3/4" and 1-7/8" spacer TN S-22510-4 / TN S-22510-2 4 / 4 15" and 18" RH, 1-7/8" thick spacer TN S-22510-2 4 17" RH, 1-1/8" thick spacer TN S-22510-1 4 19" RH, 3-1/8" thick spacer TN S-22510-3 4 AIR SPRING SPACER WITH CAST AIR SPRING PEDESTAL 19" RH, 1-1/8" thick spacer TN S-22510-1 4 SHOCK ABSORBER MO 65419 S-24088 4 TRI-FUNCTIONAL® PIVOT BUSHING KIT Includes (2) bushings, (2) pivot bolt kits, (4) bushing tube spacers and lubricant pack TN S-26321 2 BUSHING TOOL Required to correctly rebush the suspension. TN S-24736 - QUIK-ALIGN® PIVOT BOLT KIT Contains 7" bolt, nut and hardened washers TN S-24705 4 *Note: These air springs should NOT be mixed on the same air slider suspension system

9 HKAT 46K / HKA200 Replacement Parts (Wide Bushing / Straight Beam Model) Description P/N OE Ref. Qty. AIR SPRING 16" - 19" RH CAS64636 S-22948 4 16" RH and above CAS64638 S-21966 4 14" - 15" RH CAS64645 S-21800 4 AIR SPRING MOUNTING KIT (per air spring) - When model includes a 2", weld-on pedestal under the air spring. 16" RH TN S-22619/2 4 15" and 18" RH TN S-22631/2 4 17" RH TN S-22630/2 4 19" RH TN S-22632/2 4 AIR SPRING SPACER - When model includes a 2", weld-on pedestal under the air spring. 14" and 16.5" RH, 3/4" spacer TN S-22510-4 4 15" and 18" RH, 1-7/8" spacer TN S-22510-2 4 17" RH, 1-1/8" spacer TN S-22510-1 4 19" RH, 3-1/8" spacer TN S-22510-3 4 SHOCK ABSORBER MO 65419 S-23566 4 TRI-FUNCTIONAL® PIVOT BUSHING KIT Wide Bushing, Includes (1) bushings, (1) pivot bolt kits, (2) bushing tube spacers and lubricant pack TN S-24691 2 BUSHING TOOL Required to correctly rebush the suspension. TN S-21307 - QUIK-ALIGN® PIVOT BOLT KIT Contains 10" bolt, nut and hardened washers TN S-24679 4 BUSHING TUBE SPACER TN S-21099 8 VANTRAAX®, continued BODY RAIL QUIK-DRAW™ SLIDER BOX ASSEMBLY (AMBOX) BODY RAIL CLIP HKAT 50K / HKA250 Replacement Parts (Wide Bushing) Description P/N OE Ref. Qty. AIR SPRING 14"-15" RH CAS64421 S-21784 4 16"-19" RH FI W013588092 S-24443 4 AIR SPRING MOUNTING KIT (per air spring) - When model includes a 2", weld-on pedestal under the air spring. 16" RH TN S-22619/2 4 15" and 18" RH TN S-22631/2 4 17" RH TN S-22630/2 4 19" RH TN S-22632/2 4 AIR SPRING SPACER - When model includes a 2", weld-on pedestal under the air spring. 14" and 16.5" RH, 3/4" spacer TN S-22510-4 4 15" and 18" RH, 1-7/8" spacer TN S-22510-2 4 17" RH, 1-1/8" spacer TN S-22510-1 4 19" RH, 3-1/8" spacer TN S-22510-3 4 SHOCK ABSORBER MO 65416 S-24023 4 TRI-FUNCTIONAL® PIVOT BUSHING KIT Wide bushing, Includes (1) bushing, (1) pivot bolt kit, (2) bushing tube spacers and lubricant pack TN S-24691 4 BUSHING TOOL Required to correctly rebush the suspension. TN S-21307 - QUIK-ALIGN® PIVOT BOLT KIT Contains 10" bolt, nut and hardened washers (alignment collars not included) TN S-24679 4 BUSHING TUBE SPACER TN S-21099 8

10 FRAME BRACKET BEAM ASSEMBLY PIVOT BOLT KIT ALIGNMENT COLLAR BUSHING TUBE SPACER SHOCK ABSORBER AIR SPRING SHOCK MOUNT AIR SPRING HT230T TOP-MOUNT Replacement Parts (Wide Bushing) Description P/N OE Ref. Qty. SHOCK ABSORBER All models except below MO 65416 S-20002 S-21553 2 -14-017, -15-017, -15-517, -17-517, TA15-517, TA15-520, TA17-517 MO 65501 S-20126 2 -14-007, -14-011, -15-007, -15-011, -15-012, -15-028, TA14-007, TA15-007, TA16-007, TA17-007, TB14-033, TB15-028 MO 66886 S-2160 2 -14-020, -14-021, TA14-021 MO 66636 S-2212 2 TA14-020 MO 65419 / MO 66608 B-22345 2 TA15-522, TA17-522 MO 65493 S-21699 2 AIR SPRING All models CAS64287 S-20010 / S-21208 2 HT Universal on all HT230T, HT250T, HT250U, HT300T, HT300U (Wide Bushing) Description P/N Qty. ALIGNMENT COLLARS Welded Alignment, Collars are welded to frame bracket TN S-2770 4 Eccentric, QUIK-ALIGN (outer), Alignment hole is off center TN S-20925 2 Concentric, QUIK-ALIGN (inner), Alignment hole is centered TN S-20924 2 TRI-FUNCTIONAL® II BUSHING KIT Welded Alignment, Includes bushing, bushing tube spacers,cap screw, prevailing torque hex nut, liner and lube TN S-6914 2 QUIK-ALIGN, Includes bushing, bushing tube spacers, round head bolt, prevailing torque hex nut, hardened washers and lube TN S-24691 2 BUSHING TOOL Required to correctly rebush the suspension. TN S-21307 - BUSHING TUBE SPACER All models TN S-21099 4 PIVOT BOLT KIT Welded Alignment, Includes cap screw, prevailing torque hex nut and liner TN S-3646 2 QUIK-ALIGN, Includes round head bolt, hardened washers and prevailing torque hex nut TN S-24679 2 BEAM ASSEMBLY Call for more information TN HTRAAX.XXXX - FRAME BRACKET Call for more information Various - ** Quantities for air control components are per trailer. HT Universal Air Accessories Description P/N Qty. UNIVERSAL HEIGHT CONTROL VALVE Fits all models. Includes height control valve, exhaust line fittings and spacer bracket, No dump TN VS-227 1** Integral dump TN VS-228 1** Differential Height Control Valve w/ Dump - Used on systems w/ (DST) Dock Stabilizing Technology TN VS-27116 1** UNIVERSAL LINKAGE ASSEMBLY Includes linkage assembly and hardware TN S-14187 1** DUMP VALVE Includes dump valve and fittings TN VS-23460 1** PRESSURE PROTECTION VALVE Includes valve only TN VS-1128 1** HT™ SERIES HT230T

11 ALIGNMENT COLLAR BEAM ASSEMBLY PIVOT BOLT KIT SHOCK ABSORBER AIR SPRING FRAME BRACKET HT250T Top Mount Replacement Parts (Wide Bushing) Description P/N OE Ref. Qty. SHOCK ABSORBER All models MO 66636 S-2212 2 AIR SPRING Fits all models unless shown below CAS64288 S-20124 2 Fits T-17-022, TB15-025 CAS64394 S-20127 2 HT250U Underslung Replacement Parts (Wide Bushing) Description P/N OE Ref. Qty. SHOCK ABSORBER Fits all models unless shown below MO 65416 S-20002 / S-21553 2 Fits U-7.5-021, U-7.5-022 MO 66893 S-1667 2 Fits U-9-020, U-9-021, U-9-023, U-9.2-026, U-15-022, UB9-022, UB15-022 MO 66636 / MO 65519 S-2212 2 Fits U-6.5-517, U-7.5-017, U-7.5-517, U-9-517, U-12-517, U-14-517, UB6.5517,UB7.5-517 MO 65501 S-20126 2 Fits U-6.5-030, U-6.5-031 MO 66886 S-2160 2 SHOCK STRAP KITS Use with 65416 and 66893 TN S-14587-1 1 AIR SPRING All models except below CAS64288 S-20124 2 Fits U-6.5-011, U-6.5-023 CAS64288 S-20413 2 Fits U-9-006, U-9-028, U-9-029, U-12-006, U-14-006, U-14-028 CAS64394 S-20127 2 Fits U-9-010, UB9-010 CAS64394 S-20414 2 Fits U-6.5-002, U-6.5-003, U-6.5-031 CAS64634 S-20716 2 Fits U-9-020, U-9-021, U-9-023, U-9.2-026, U-15-022, UB9-022, UB15-022 CAS64637 S-13122 2 Fits U-7.5-021, U-7.5-022 CAS64384 S-14249 2 NOTE: Identification tag can be found on the front of the roadside frame bracket or the inside of the curbside beam. HT™ SERIES, continued HT300T TOP MOUNT Replacement Parts (Wide Bushing) Description P/N OE Ref. Qty. SHOCK ABSORBER All models except below MO 65416 S-20126 2 -15-007, -15-011, -15-021, -17-007, -17-011, -17-012, TB19-007, TB19-020 MO 66886 S-2160 2 -15-017, -15-518, -17-518, -17-520 MO 65416 S-21553 2 TB15-027 MO 65465 S-24579 2 AIR SPRING All models CAS64254 S-4771 2 HT250T

AIR SPRING AIR SPRING MOUNT SHOCK ABSORBER FRAME BRACKET WITH UPPER SHOCK MOUNT LOWER SHOCK MOUNT PIVOT BOLT KIT HT250US UNDERSLUNG Replacement Parts (Narrow Bushing) Description P/N OE Ref. Qty. TRI-FUNCTIONAL® II BUSHING KIT QUIK-ALIGN®, Includes bushing, bushing tube spacers, round head bolt, prevailing torque hex nut, hardened washers and lube TN S-24691 2 BUSHING TOOL Required to correctly rebush the suspension TN S-21307 - BUSHING TUBE SPACER All models TN S-21099 4 PIVOT BOLT KIT QUIK-ALIGN®, Includes round head bolt, hardened washers and prevailing torque hex nut TN S-24679 2 SHOCK ABSORBERS Standard Shock Mount - Standard Travel, 3.5" to 4" RH MO 65509 S-23548 2 Standard Shock Mount - Standard Travel, 5.5" to 6.5" RH MO 65510 S-23650 2 Standard Shock Mount - Standard Travel, 7.5" to 14" RH MO 65512 S-23649 2 Standard Shock Mount - Standard Travel - High Damping, 5.5" to 6.5" RH TN S-23744 2 Standard Shock Mount - Extended Rebound, 6.5" RH MO 65511 S-23651 2 Standard Shock Mount - Extended Rebound - High Damping, 6.5" RH MO 65465 S-24579 2 Remote Shock Mount*** - Standard Travel, 12" to 14" RH MO 65519 S-2212 2 Remote Shock Mount*** - Standard Travel - High Damping, 5.5" to 6.5" RH TN S-23744 2 Remote Shock Mount*** - Extended Rebound, 6.5" to 9" MO 65519 S-2212 2 Remote Shock Mount*** - Extended Rebound - High Damping, 6.5" to 9" RH MO 65433 S-23316 2 AIR SPRING Standard Mount - 4" RH CAS64287 S-20010 2 Standard Mount - 3.5" and 4" RH, High Pressure CAS64395 S-20223 2 Standard Mount - 5.5" to 14" RH CAS64394 S-20127 2 Rotated Mount - 5.5” to 14” RH CAS64394 S-20414 2 Standard Mount - 6.5" RH, High Pressure, Short Bellows TN S-20716 2 Standard Mount - 7.5" to 14" RH, High Pressure CAS64288 S-20124 2 Rotated Mount - 7.5” to 14” RH, High Pressure CAS64288 S-20413 2 *** Clevis not included and not needed for remote shock mount HT300U UNDERSLUNG Replacement Parts (Wide Bushing) Description P/N OE Ref. Qty. SHOCK ABSORBER U-7.5-001, U-7.5-501, U-9-001, U-9-005, U-9-020, U-9-021, U-9-022, U-9-024, U-9-501, U-9-701, U-12-001, U-12-005, U-12-020, U-12-024, U-14-001, U-14-005, U-14-020, U-14-021, U-14-022, U-14023, U-14-701, U-15-011, U-17-001, U-17-020, U-17-021, U-17-024, UB9-022, UB14-022 MO 65416 S-20126 2 U-7.5-519, U-9-011, U-9-519, U-12-011, U-12-015, U-14-011, U-14-015,U-17-011 MO 65493 S-21699 2 AIR SPRING U-7.5-001, U-7.5-501, U-7.5-519, U-9-001, U-9-005, U-9-011, U-9-020, U-9-021, U-9-024, U-9-501, U-9-519, U-9-701, U-12-001, U-12-005, U-12-020, U-12-024, U-14-001, U-14-005, U-14-020, U-14021, U-14-022, U-14-023, U-14-701, U-17-001, U-17-020, U-17-021 CAS64273 S-3830 2 U-9-022, U-15-011, U-17-011, UB9-022 TN S-22173 2 HT™ SERIES, continued BEAM ASSEMBLY HT250US

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