Can SumoSprings Trailer Helper Spring Kit Fit with 3 inches from Axle to Frame

Question

Question:

I was looking at SumoSprings for my 6x12 cargo trailer with a single #3500 axle located above the spring. The distance from the spring to the frame is 5.75 inches. The distance from the axle to the frame is about 3 inches. Is this enough room? If not, options? thanks

asked by: Dennis R

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Expert Reply:

The height of the SumoSprings Trailer Helper Springs w/ Line Relocation Bracket # TSS-106-40 is 4 inches for just the rubber spring portion of it. Since you have 3 inches from the axle to the frame that would indicate that there would be a compression of about 1 inch. This is pretty common when people install this and many like that it adds a little bit of trailer height from additional support.

expert reply by: Jameson C

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Answer 1

The SumoSprings Trailer Helper Springs part #TSS-106-40 per the instructions will be installed on the side of the axle closest to the end of the leaf spring that is connected to a shackle or center link.

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Answer 2

Installing a 4,000 lb capacity leaf spring on a trailer with a 3,500 lb capacity axle will make the suspension stiffer which could then in turn minimize the risk of the axle contacting the frame. However, this is not what I recommend to fix your…

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Answer 3

The Timbren kit part #TTRA1702 is 2-3/4 inches tall and would work great for you to give you additional support. This will provide up to 1,000 lb of additional support.

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Answer 4

The SumoSprings kit #TSS-106-40 does for sure fit your application based on the dimension you just mentioned of 7-3/4 inches from the spring plate to the bottom of the trailer frame. This kit works with dimensions here that range from 6 to 8-5/8…

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Answer 5

The most likely cause for the incorrect behavior of your trailer lights, where activating one turn signal causes all trailer lights to blink, is an insufficient ground (or a short to ground) on either the vehicle or the trailer. Since you re-wired…

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Answer 6

Based on the measurements you have given, the correct kit would be the #K71-657-00 Dexter E-Z Flex Suspension Kit - Double-Eye Springs - Triple Axle - 8,000 lbs. You want to use the short equalizers. The hangers you have are designed for the…

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Answer 7

The black wire of the Hopkins 7-Way Molded Trailer Wire Connector #HM20048 carries the 12 volt accessory circuit. This is the circuit that will typically power interior lights or charge a trailer's battery. I attached a help article that covers…

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Answer 8

As long as the leaf springs on your 2021 Coachmen 192RBS are underneath the axle and not on top, then the SumoSprings Trailer Helper Springs #TSS-106-40 you were looking at will fit perfectly. The springs themselves measure right at 4" so you…

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Answer 9

The instructions for the SumoSprings kit part #TSS-106-40 do not specify whether they should install in front of or behind the rear axle but I would recommend in front of the axle since most shock is going to be first on the front portion of the axle…

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Answer 10

You'd want to install the SumoSprings Trailer Helper Springs #TSS-106-40 on the front side of your axle.

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Answer 11

Based on what you are saying and your photos, it apprears you have springs that are double eye springs. The springs will need to be based on the load of your trailer. The axle capacity may be difficult to know as you said it appears to be custom. I…

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Answer 12

The SumoSprings Trailer Helper Springs #TSS-106-40 were intended for use on trailers with weight capacities between 3k and 5k. You are REALLY close to the range of this kit so it would work great still for you since you are 10 lbs under the ideal…

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