How to Determine the Weight Capacity of a Dexter Axle Based Off the Inner and Outer Bearings

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Question:

I have a trailer with a Dexter axle and need to find out what the capacity of the axle is and the part numbers of it parts, the tag on the axle doesnt have a weight rating. It is a torsion axle with the E-Z lube system there is no drums just a 6 lug hub. Is there any way to tell by the SN what the capacity is of the axle? The tag reads Dexter Axle P-12 Model SLR SN: D 4771686. I need the part numbers of all the parts in the hub and the e-z lube system and the wheel assemblies. I know that the seal in the hub is a Dexter 10-36. Any help with this would be appreciated!

asked by: Billy M

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Expert Reply:

Though there can be some variations, the # GS-2250DL (10-36) seal would lead me to believe you have a 5,200 pound or 6,000 pound axle. Especially with a 6 on 5 1/2 bolt pattern on the hub. It would not hurt to pull one of said hubs off to verify your bearing numbers to double check, however.

If the Inner Bearing reads # 25580 and the Outer Bearing Reads # LM67048, you will have a 5,200 pound axle. To replace the internal parts of the hub, you would need the bearing kit # BK3-300 and EZ Lube Grease cap # DC250L-DCRP.

If the Inner Bearing again reads # 25580 but the Outer Bearing Reads # 15123, you will have a 6,000 pound axle. To replace the internal parts of the hub, you would need the bearing kit # BK3-100 and the same EZ Lube Grease cap # DC250L-DCRP.

If your bearings do not match either of the above, let me know and we can try something else. As with everything, there can always be variations and exceptions to the rules.

expert reply by: Lazer S

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Answer 1

If the diameter of the spindle where the seal rides is 1.5 inch then the bearing kit part #BK2-100 is correct and you'd have what is most likely a 3,500 lb axle.

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Answer 2

The Dexter D35 axle is a 3,500 lb trailer axle so for a bearing kit you would want the part #BK2-100 that you referenced.

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Answer 3

For the TruRyde Lubed Dust Cap and Rubber Plug #DC250L-DCRP referenced in your question, which has dimensions of 2.45 inch x 1.52 inch x 1.18 inch, you can use the Redline Dust Cap Driver Tool - Medium #290-992. This can be used for installation,…

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Answer 4

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 5

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 6

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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Answer 7

Based on the GVWR of your 2019 Jayco North Point 315RLTS it does seem like you have 7k axles. I recommend verifying this information to be sure. These axles typically use the #14125A outer and #25580 inner bearing found in the Timken #TMK92VR.…

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Answer 8

I currently have three diffrent self-adjusting assemblies for your boat trailer with 10" x 2-1/4" electric drum brakes which are attached for you below. eTrailer Electric Trailer Brake Kit part #AKEBRK-35-SA (3,500 Axles) Dexter…

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Answer 9

The Dexter Nev-R-Adjust electric trailer brakes can be manually adjusted. There are a couple teeth of the adjustment wheel that are exposed just under the lever that you referenced. I have attached a photo showing the teeth. You will likely need a…

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Answer 10

Hey Doug, thanks for reaching out! The MORryde ALLTREK 4000 #MR89DR dimensions can be a bit difficult to explain via text so I've attached an image giving you the dimensions you're asking about!

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Answer 11

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 12

The recommended lug nut torque for your 7,000lb axle depends on a few factors like wheel size, stud size etc. Check out the attached photo which shows the torque specs for a variety of applications. I see you were looking at the Dexter Nev-R-Adjust…

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How to Determine the Weight Capacity of a Dexter Axle Based Off the Inner and Outer Bearings

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