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Old 04-17-2016, 04:07 PM   #1
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X17z new axle upgrade

Thinking of upgrading x17z axle. Anyone done it? 3000 pound axle just isn't enough.
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Old 04-18-2016, 08:46 AM   #2
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While that may be much better in terms of what the trailer can handle, i wonder if you got pulled over for some reason and weight checked it would fly? i imagine they would just look at the factory specs, but i am curious about how this would work.
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Old 04-18-2016, 09:03 AM   #3
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Just look at your GVWR, I think you wouldn't gain anything. Unless you have a reason to do this which you didn't state?
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Old 04-18-2016, 10:14 AM   #4
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Just look at your GVWR, I think you wouldn't gain anything. Unless you have a reason to do this which you didn't state?
The GVWR is 3500. The axle is 3000 lbs. I have a WD hitch. The trailer sticker says 3046 pounds. So adding the battery, propane, then you have little room for CCC. I have read all the posts about the X17Z and limited CCC and the poor design of the weight limitations.
Doesn't upgrading the axle at least buy me some safety for the axle when loaded to the GVWR and save my tires which are wearing quick and appear to be overloaded by the wear on the inside tread? I can do this for under a $1000, that's a lot cheaper than a new TT.
I understand, I still have to consider the frame limitations, but I would feel a lot safer with an upgraded axle (5200lb), hubs/brakes and wheel/tires. Am I missing something that I don't understand.
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Old 04-18-2016, 12:43 PM   #5
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i was curious about this too, but hadnt came across anyone who has done it. I was going to wait until my warrenty expired on the axle i was going to go to a 3500# just for peace of mind about being so close to GVWR
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Old 04-18-2016, 01:24 PM   #6
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I'm not convinced that upgrading the axle would increase your CCC. You'd be assuming the frame can handle the additional weight.
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Old 04-18-2016, 01:41 PM   #7
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I'm not convinced that upgrading the axle would increase your CCC. You'd be assuming the frame can handle the additional weight.
I don't think he wants to increase the CCC, more so just to have a little bit of a safer ride with less stress on a bare minimum axle setup.
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Old 04-19-2016, 07:40 AM   #8
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I'm not convinced that upgrading the axle would increase your CCC. You'd be assuming the frame can handle the additional weight.
That is correct JM9301. I just want to have a safer ride, save my tires and not stress my axle. I will still do my best to stay within the CCC limit, I understand the frame limitation. But my current rig with the WDH and cargo appears to be stressing my axle because my tires are indicating inside wear (and I do check the air pressure every trip).

Doc/JM- What do you think? any words of wisdom on why I should not upgrade my axle say at least to 3500lb? I want to make the right move here. Just trying not by another TT, and then have to upgrade my TV too.
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Old 04-19-2016, 09:17 AM   #9
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Are you putting the tongue weight into consideration? Do you have 15% of the total trailer weight on the tongue? That would be 3500 X 15%, which equals 525 pounds. That would put 2975# on the axle when the trailer is fully loaded.

I agree that it's cutting it close, but that's what trailer manufacturers do to increase profits.

Have you had the axle checked to see if it's bent? That's a possibility.

I think axle shops can increase the bend in an axle to change the orientation of the tires to the road (when the trailer is loaded) so they don't wear.

I'd talk to an axle shop before buying a new heavier axle. Could be that a minor adjustment and few hundred bucks could fix your problem.
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Old 04-19-2016, 09:49 AM   #10
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I agree with SmokerBill, i would talk to an axle shop about it before going ahead with something like this. I have seen a fair amount of people doing the axle flip mod as well, perhaps that would solve your woe's without making a drastic change.
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