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RW613 Superliner rear crossmember

FarnorthMN

By FarnorthMN
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FarnorthMN

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On 12/2/2025 at 1:47 PM, Vladislav said:

Yes, this crossmember is supposed to be on the rear. I have a similar one on the rear of my MH. With spicers at the sides and put with the dish up. Very probably you have a similar part as the cab support but I expect that to be a single beam. If that one is double like the one in the pics I'd like to see your cab air ride setup.

Good luck on the fix and future plans!

@Vladislav here are few pictures of the cab air ride crossmemeber I was talking about.  Also a picture of the 90L4551M for the muffler stack support rod 

Screenshot_20251203_170111_Gallery.jpg

Screenshot_20251203_170104_Gallery.jpg

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FarnorthMN
FarnorthMN

@Vladislav i have seen 9QL4551m on some superliners couldn't tell if they were single or double frame.  I also have them sending me some demention on the 9QL4551M. We are just getting done with the ho

Geoff Weeks
Geoff Weeks

Atro should be able to either get bushing or possibly whole torque arms : https://atrobushing.com/atro-torque-rod-finder   P.S.their older catalog, had the bushing by dimension as well,

Vladislav
Vladislav

What you have at the rear is a common style Mack chassis crossmember. They were used on many trucks with Camelbacks and other rears in the central portion of the chassis. Just were put upside down ove

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