Replacement Leaf Springs for 2020 Discovery Enclosed Trailer With 25-1/4 4,500 Pound Leaf Springs

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Question:

I have a 2020 Discovery enclosed trailer with a dexter axle and brakes. I tow Motorcycles for a business and this trailer springs were stretched with in the first year. I installed some 4500# 4 leaf from Northern Tool rockwell brand I think. Now a year later have the same thing happening even with my 570 polaris rzr which is only 1000 lbs . Would you recommend your 5000 lb. 25 1/4inch 5 leaf or even 6000 lb to over ride my hauling needs. I do about 300 plus motorcycles a year and sometimes two bikes but max weigh never over 1600 lbs combines plus the trailer empty at 1600 lbs. Let me know what you think would be necessary. My last trailer lasted 7 years but had the torsion springs so that may be an option to switch over too. Thanks

asked by: Bryan

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Expert Reply:

Typically you want your leaf springs to match your axle capacity. I'm not sure what axle capacity you have now, but assuming you didn't suffer a harsh ride with the 4,500 lb leaf springs the 25/1-4" 5,000 lb leaf springs like the # e44SR should be fine and hold up better. Keep in mind, you will still be limited by the capacity of your axle or whatever other trailer component has the lowest rating.

I would not recommend moving to 6,000 lbs since that is quite a big jump over the 4,500 you have now, although we do have them available # e34SR. You may find that the torsion holds up better, but that would also require axle replacement.

Something else you may want to consider is adding additional support with SumoSprings Trailer Helper Springs. These will reduce the load on your leaf springs and help keep them from wearing out as fast. If you have an underslung axle you would need the # TSS-106-40 and for an overslung axle the # TSS-107-40.

expert reply by: Robin H

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Answer 1

If you are wanting to go to higher capacity leaf springs I would advise against it. The problem is that since the trailer axle is rated for 3,500 pounds you won't gain any additional capacity by switching to higher capacity springs. What it will…

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Answer 2

We carry the Timbren Axle-Less System rated at 5,200 lbs part #ASR5200S01. The axle-less system mounts to your trailer frame and takes the place of your old axle and springs.#ASR5200S01 is a straight spindle design. Timbren also offers these axles…

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Answer 3

What you have is a 3,500 lb hub that needs to be replaced with something like the #84546UC3. This hub will fit your current trailer based on the bearing numbers you listed. You can use the #XLPROLUBE1980KIT with this hub to convert the setup to an…

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Answer 4

For the Dexter hub part #84545BX that you referenced the correct Bearing Buddy is the part #BB1980A-SS. Some people have a tendency to use these to put too much grease in the hub which then causes the seal to blow out. If you are careful with it…

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Answer 5

If your leaf springs are the lowest rated component on your trailer then if you were to use leaf springs with a higher weight capacity, like part #e54SR, it would increase your total weight capacity. However, it sounds like you have a 2,000 lb axle…

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Answer 6

From what I could find it looks like your 122R (red) and 122Y (amber) lights measure 3.75" x 1.70" x .81". We don't have any replacement lense directly for the GLO-BRITE lights but we do have some similar lights that you could use…

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Answer 7

By "mobile home type bolt pattern" I believe you are talking about a 5 spoke utility bolt pattern such as what is on the Dexter Trailer Hub and Drum Assembly - 6,000-lb and 7,000-lb Axles #8-174-5UC3. To measure your axle from hub face to…

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Answer 8

Seal 171255UC has an inner diameter of 1.719 inches and outer diameter of 2.565 inches. A seal that has those dimensions would actually be #58846. I've added a link to a video review of this seal for you to take a look at.

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Answer 9

Normal operating temperatures for drum brakes range from 150-400 degrees F. During certain stopping conditions the brake heat can exceed 600 degrees. The effectiveness and stopping power of the brakes is significantly reduced at these higher…

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Answer 10

We do have an option for an inverter to replace your 300 watt WIN-12/300TL, but the Progressive Dynamics part you mentioned is a converter, so for the same functionality you will want to replace it with a similar 400 watt inverter, the Go Power Pure…

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Answer 11

The Champion 9,000-Watt Dual Fuel Inverter Generators w/ Parallel Kit, #CH49FR have a push button electric start and operate from either propane or a minimum 87 octane rating gasoline for their fuel source. Run time is up to 14 hours on gas and as…

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Answer 12

The Champion 9,000-Watt Dual Fuel Inverter Generators w/ Parallel Kit, #CH49FR has the same power output specs regardless of type fuel used. There is a starting (surge) power output of 4,500 watts/37.50 amps with a running power output of 3,500…

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Replacement Leaf Springs for 2020 Discovery Enclosed Trailer With 25-1/4 4,500 Pound Leaf Springs

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