Comparison Between Roadmaster # RM-1139-140 and # RM-1139-148 Anti-Sway Bars

Question

Question:

What is the difference between 1139-140 and 1139-148 sway-bar??

asked by: Greg

0

Expert Reply:

The Roadmaster # RM-1139-140 and # RM-1139-148 are both replacement anti-sway bars for a Ford F550 or F53 Class A motorhome chassis. Both bars are 1-3/4 inches in diameter. The # RM-1139-140 fits models with a GVWR of 22K-24K, and the # RM-1139-148 fits models with a GVWR of 24K-26K. The # RM-1139-140 is no longer available.

You can see installation instructions by clicking the provided links.

expert reply by: Mike L

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Answer 1

For a 2023 Entegra Odyssey 24B on a Ford E-450 chassis you would need the Roadmaster Front Anti-Sway Bar - 1-3/8" Diameter #RM-1139-189 and rear #RM-1139-147. If you also wanted to add in a steering stabilizer then you'd need the Roadmaster…

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Answer 2

The best way to improve the handling and stability of your 2011 E-450 motorhome is going to be with a rear sway bar upgrade like the Hellwig part #HE78RR. This will make the biggest difference and honestly should be the first thing anyone with a…

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Answer 3

In regards to the Roadmaster Exact Center Steering Stabilizer part #RM47MR, the stabilizer installs on the front of the steering arm pointed down. I have attached a photo of this below. If this wasn't what you were looking for, please just let me…

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Answer 4

I found the online version of the install instructions for the Exact Center stabilizers like the #RM47MR. What's fun is that just when you think you have found the correct step to address your problem it tells you to continue to the next step.…

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Answer 5

If there isn't a way to access it from the inner side of the frame or from the side then it would have a weld nut in frame and you would be able to just remove the bolt normally. There unfortunately isn't a guide that shows if there's a…

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Answer 6

Either will work for your 2013 Ford F-53 with a 22,000 GVWR. The Roadmaster Front Anti-Sway Bar, #RM-1139-148 fits the 18,000, 20,500, your 22,000 GVWR F-53 as well as the 24,000 and 26,000 GVWR chassis. The Roadmaster Front Anti-Sway Bar,…

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Answer 7

The Roadmaster Exact Center Steering Stabilizer w/ Custom Brackets #RM47MR typically comes centered and you would only need to make adjustments after installation and testing to see if it continues to pull. If you adjusted it all the way out to where…

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Answer 8

We have the Roadmaster Exact Center Steering Stabilizer part #RM47MR that fits your 2021 Jayco Greyhawk 27U that has an OEM factory damper and would work really well to improve handling.

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Answer 9

The etrailer eDream Deluxe RV Mattress #e84FR is double-sided to allow you to choose between plush and firm sleeping surfaces. You can flip the mattress over for either side, depending on your personal preference. If you choose the "Plush"…

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Answer 10

Yes, the Roadmaster Exact Center Steering Stabilizer w/ Custom Brackets #RM47MR would be a fit for a 2023 Ford E-450 chassis for a Class C motorhome.

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Answer 11

I checked with Roadmaster and verified the correct front anti-sway bar for your Class A 2017 Ford F-53 chassis with a 18,000 lb GVWR; it is the following part number: - Roadmaster Front Anti-Sway Bar #RM-1139-148

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Answer 12

For your 2018 Forest River FR3 32DS on a Ford F-53 chassis, I recommend first adding a rear sway bar like the Roadmaster Rear Anti-Sway Bar for Motorhomes part #RM-1139-145. I would then recommend adding a steering stabilizer like the Roadmaster…

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Comparison Between Roadmaster # RM-1139-140 and # RM-1139-148 Anti-Sway Bars

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