Difference Between Dexter Axle Heavy Duty Suspension Kits # K71-449-00 and # K71-359-00

Question

Question:

I can’t figure out the difference between K71-449-00 and K71-359-00. It says one is for 35” axle spacing and the other is 33”, but I can’t identify what part is different. Any help would be appreciated! Thank you.

asked by: Richard K

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Expert Reply:

The difference is the length of the equalizers that come with the kit. The part # K71-449-00 comes with equalizers that are 7-3/4 inches from eye to eye whereas the part # K71-359-00 has equalizers that are 2 inches shorter at 5-3/4 inches.

expert reply by: Jameson C

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Answer 1

I can help you determine the right replacement 6,000 lb double-eye leaf springs for your trailer, though we don't have any way of knowing what specific ones that trailer needs and I couldn't find a reference to the part you…

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Answer 2

You are correct saying that the leaf spring can stretch a bit over time, and it sounds like that is exactly what happened; you need a 26" (eye to eye) double-eye leaf spring. I recommend going with the 6-Leaf Double-Eye Spring for 6,000-lb…

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Answer 3

I spoke with Dexter and there is actually no maximum axle capacity for the Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs #K71-449-00. With that being said, there will be no issues using this with 16k ,…

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Answer 4

All of the tandem axle hanger kits for double-eye springs use 2-5/8 inch or 2-1/4 inch long shackle straps. The length is taken from the center of one eye to the center of the other eye. The overall length of a 2-5/8 model is just under 3-1/2…

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Answer 5

Thanks for the photo. You will not have any issue using the Dexter Heavy-Duty Suspension Kit for Tandem-Axle Trailers - 1-3/4" Wide Double-Eye Springs #K71-449-00 and moving the equalizer bolt down to the lower hole position. This will work very…

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Answer 6

If you use the Dexter Heavy-Duty Tandem-Axle Trailer Suspension Kit for 1-3/4" Wide Double-Eye Springs, #K71-449-00, you can choose to remove the bushings from the 5-Leaf Double-Eye Spring for 6,000-lb Trailer Axles - 25-1/4" Long #e78SR…

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Answer 7

You will want the Dexter Heavy-Duty Suspension Kit #K71-449-00 as it matches the 7-3/4" equalizer size your trailer currently has. The 33" and 35" axle spacing is a general guide but it is best to replace based off the size of your…

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Answer 8

First thing you will want to do is pick leaf springs that are as close to the axle capacity as possible. It is also highly recommended to replace your leaf springs in pairs, new set per axle. Thanks for your pictures it looks like you actually have a…

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Answer 9

From what I can find, for 5200 lb axles you will want 29.5 inches between the hangers center to center and 33.25 inches axle center to center for double eye springs in most cases. Your equalizers and shackle straps will take up some of that…

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Answer 10

If you measured your old springs and they were 25-1/4 inches when worn out you'd most likely need to move your hangers to replace them with the part #e94SR. Now with that said looking at your pictures it does look like your shackle angles are…

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Answer 11

I recommend going with the Dexter Heavy-Duty Suspension Kit #K71-449-00 on your trailer. This will have another 7-3/4" wide equalizer versus only the 5-3/4" wide one you get in the Kit #K71-359-00. Both kits will give you the shorter…

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Answer 12

Thanks for the pictures! Based on the weight of your 2008 Keystone Cougar 5th Wheel, you will want the item #LG-1 landing gear set. You are going to want to measure to be sure this is the right size for you. The two things you will want to measure…

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Difference Between Dexter Axle Heavy Duty Suspension Kits # K71-449-00 and # K71-359-00

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