9.0 ATRO Key Parts: Suspensions and Trailers


9.0 ATRO Key Parts: Suspensions and Trailers

PB46-26268 Anti-Walk Pivot Bushing

The problem of rubber bushing walkout is solved because ATRO’s pin freely rotates to prevent the entire bushing from turning in the leaf spring eye and wallowing it out. Inbound flanged outer sleeve limits lateral travel. UB20500-OS is offered as an oversized option (+.060")

Application:

FASII Airliner, International Corporate Air, Kenworth AG400L, Peterbilt Low Low Air Leaf

Key Cross:

Freightliner 16-16412-000, 16-18035-000; Hendrickson 52296; International 3538115C1, RB268

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KT59-62001-HW Rear Motor Mount Kit with Hardware

Resistant to the chemicals polyurethane maintains a longer product life than rubber competition. The ATRO design also enables easier installation due to the separation of the sleeve and the upper mount bases. This reduces the amount the engine needs to be raised. The lower mount also has a snap groove to locate spacer sleeve to simplify installation. Kit includes hardware.

Kit Contains:

(2) Upper Mount, (2) Lower Mount, (2) Wear Plates,

(2) Wear Sleeves,

(2) Bolts 20mm x 120mm, (4) Flat Washers, (2) Locknuts

Application:

Kenworth T-600

Kenworth Cross:

K066-377, K066-421 (OE part numbers don’t include hardware)

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SK50340-HW Insulator Kit

ATRO’s Insulator Pads feature shock absorbing, low-rebound polyurethane material which causes the shock to remain within the pad and NOT transfer it throughout the suspension system. This results in a smoother ride, longer life of pads, extended life of attached parts, less cab damage and reduction in T-Leaf breakage. Kit includes hardware.

Kit Contains:

(4) MA36000 Lower Insulator Pads, (4) MA36500 Upper Insulator Pads, (4) 7/8"-9UNC Bolts, (12) 7/8"-14UNC Bolts, (12) Locknuts, (16) Flat Washers

Application:

SS 34/44/50; SW / ST34 Series

Mack Upper Pad Cross:

10QK365A, 25121508

Mack Lower Pad Cross:

10QK36B, 10QK36C, 10QK388, 21036254, 25125064

Also Available:

SK62-50340, Insulator Kit w/Hdwr & Spacer Blocks. This ATRO Kits adds (8) MS62-29246, Spacer Blocks, to the above part number

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CR00-67825 Carrier Bearing Assembly

Launched in 2015, ATRO Poly has a proven performance record. The polyurethane pillow is impervious to chemicals, reduces vibration and is backed with a 3-year warranty. The primary cause of rubber pillow failure is chemical attack, which is not commonly covered by competitor’s warranty.

Application:

1710 up to 1810 Series drivelines; SPL 170 and SPL 250 Series drivelines

Key Cross:

283071C93, CB2106611XSA, 203SJ13; 2106611X, 210661-1X, SP2106611X

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EB50-21013 Bar Pin Bushing Kit

Lasts longer than rubber because the material is stronger and resistant to chemicals. The pin rotates which makes for easier installation and eliminates bushing windup. Hardware included. Utilizes PT50-21013 press-in tool. (4 per vehicle.)

Kit Contains:

(1) Bar Pin Bushing, (2) Bolts. (2) Nuts, (4) Shims, (4) Washers

Application:

AR, R, RT, RTE, RT2, RTE2, RU, RUE, RS, HN, Haulmaax

Hendrickson Cross:

34013-87, 34013-88, 50150-000, 50160-000, 34013-087L, 30413-088L

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LP50-24179 Bolster Spring Kit

Engineered to match the OE ride quality with an improved chemical bond between polyurethane and plates. Bolster is manufactured with a high-strength polyurethane for durability and chemically resistant. All hardware is Grade 8.

Kit Contains:

(2) Bolster Springs,

(1) Spacer,

(1) Flange Bolt,

(9) Flange Nuts

Application:

Haulmaax

Hendrickson Cross:

64179-037, 65743-000, 64179-002 (non-tie bolt design), 64179-048 (less wear plate)

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LP50-24778 Progressive Load Spring

This load spring is the most critical part on the Haulmaax suspension, carrying 40% of the weight. The polyurethane material, coupled with ATRO’s design and engineering, provides superior strength and durability, resistance to chemical attack and improved suspension performance and life. The LP50-24778 is also available in the following ATRO suspension kits: KT50-25002, KT50-25003, LP50-24745, LP50-24746, LP50-24747 and LP50-24902.

Application:

Haulmaax

Hendrickson Cross:

67778/C, 67778-000

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