Replacement Axle for 2018 Grand Design Imagine 2150RB

Question

Question:

Bent axle on my 2018 Grand Design 2150 Rb. What recommendations do you have. Also will need installation parts. Would like to go with a heavier axle. Are the usually replaced in pairs? Can supp

asked by: Roy R

0

Expert Reply:

Grand Design lists an 86-1/2" 3,500 lb axle for your Imagine 2150RB. The next size up would be a 5,200 lb axle like the # e45GR. This has the same 86-1/2" hub face measurement but the spring seat is different. You will need to cut off the spring seats and weld on # TRSS300 to match your current 68-1/2" measurement. The CE Smith U-Bolt Kit for Mounting 5.2K to 7K, Round Trailer Axles # CE23003 will be required as well.

For a hub and drum assembly you can use the # AKHD-655-6-EZ-K. These work with the TruRyde Electric Trailer Brakes - Self-Adjusting # TRU96FR. You will also want the Mounting Bolts and Hardware for 12" Brake Assemblies # BRKH12. Since new hubs means a different wheel bolt pattern you will have to trade out your wheels. It looks like you have 15" wheels so you could use something like the # LHSL311 for a replacement. I attached a link below to all of our 15" wheels with a 6 on 5-1/2 bolt pattern.

We also have an all in one Dexter option with the Dexter Trailer Axle w/ Electric Brakes # 8327816-EB. This comes with the hubs and brakes so you would only need the U-bolts and the new wheels. Like the other axle, the spring seats don't match so those will still have to be moved. Keep in mind, even if you upgrade these components you won't be increasing the capacity of your trailer.

expert reply by: Robin H

0

Roy R.

4/2/2024

Robin Thanks for the info. What axle would I need (part#) if I wanted to go with #3500 axle. I am almost 100% sure it's bent but want to measure and look when weather straightens out here. I'm assuming I could reuse spindles and brake drums on new axle. Also please give me bearing numbers and seal numbers. I installed CRE 3000 and wet bolts last year along with cross braces. Any input would be appreciated. Thanks, Roy

Reply

Robin H.

4/2/2024

@RoyR for some strange reason we don't carry this axle length with a 3,500 lb capacity. You will need to find that elsewhere. I wouldn't reuse the spindles but that won't matter since a new axle is going to come with the spindles welded on already. Your existing hub/drum assembly and brakes will fit a new 3,500 lb axle so there would be no need to replace them unless they're worn out or damaged. For replacement bearings and grease seals you can use the Hub Bearing Kit # BK2-100. This includes the # L44649 outer and # L68149 inner bearing along with a # 58846 (10-19) grease seal.

Helpful Links

tv-install-trailer-bearings-races-seals-caps.aspx

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Answer 1

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 2

I contacted MORryde and this does happen from time to time as the weight of the trailer can spread out the axles due to downward pressure on the springs/suspension. Odds are the 35" wheel base #MR27ZR will be the correct one for you, but…

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Answer 3

Thank you for providing the specs for the suspension components that you already have. Correct hanger spacing really depends on the components being used such as springs, hangers and equalizers. Most of the hanger spacing dimensions that we have are…

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Answer 4

Well shackle length is mainly based on the height difference between the front and rear hangers. The rear hanger normally doesn't hang as low as the front so that the shackle can offset the difference and add the ability to move. What is the…

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Answer 5

For a single axle trailer, you want the shackle strap to be able to move so that you have the spring deflection needed for your suspension. Angled like the photo or even almost vertical is fine you just don't want the shackle strap to bind and…

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Answer 6

I have attached for you below some common torque values needed for a trailer suspension system but a lot of these will vary by bolt size and other factors. U-Bolts: Varies by Size - 1/2" bolts: 45 ft/lbs - 70 ft/lbs, 9/16" bolts: 65 ft/lbs…

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Answer 7

Since Grand Design is kind enough to list certain parts for their trailers I can confirm you have a 33" wheelbase on your 2020 Grand Design Transcend 27BHS. This means the MORryde Rubber Equalizers #MR87ZR will fit your trailer. Although I'm…

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Answer 8

The absolute best cushioned equalizer that fits the dimensions you mentioned having would be the MORryde ALLTREK 4000 part #MR89DR as this is only option to provide vertical and horizontal cushioning. This would make a big difference and you'd be…

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Answer 9

Yes, axle spread and wheel base by definition are the same measurements. You will measure from the center of one axle to the center of the 2nd axle to determine what you axle spread is. This may be difficult as some wheels and covers will make this…

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Answer 10

To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram. The height of the…

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Answer 11

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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Answer 12

Hi there Andy; thanks for that info, and while we don't have 3,500 lb axles that are 86-1/2 inches long, we do have a 5,200 lb option with the Dexter Trailer Axle Beam #8327816. The spring center you mention is an odd one, as the #8327816 has…

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