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Triple or Dual Axle trailer for boat

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Triple or Dual Axle trailer for boat

Old 09-28-2020, 03:44 PM
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Default Triple or Dual Axle trailer for boat

32 Regulator w/ twin 300 outboards.

Is twin 7k axles enough or should I go with triple's?
Old 09-28-2020, 04:24 PM
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Less axles if kept exclusively local, more if you will be road tripping it.
Old 09-28-2020, 04:28 PM
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If it were me, personally, I would go with triples but it depends if you’re towing regularly. Towing distance plays a factor too.
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Old 09-29-2020, 01:57 PM
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I also would do triples. Remember the weight of the trailer also needs to be factored in. I'm 13,700 on the boat and 3,200 trailer. So call it 17K. I put triple 8K axles on my trailer build sheet. I also dunk in a very steep ramp. And my rear axle wheels are off the ground briefly as I back over the crown and down the ramp or pulling out the opposite. I really like having two 8K's making contact and carrying the weight even for that brief few seconds. How many times on steep ramps have you seen tandem axles with only the front axle wheels carrying the load for a few seconds? But again your needs maybe very different than mine. I also trailer 130 miles round trip each outing.

Last edited by BlackDogMafia; 09-30-2020 at 06:03 AM. Reason: .
Old 09-29-2020, 02:17 PM
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triple axles are best for safety. BlackDog is correct about going over the crown of a ramp. my ramp was getting me down to ONE axle for a brief moment or two.

and overbuilt tri-axle will save you on highway runs if you have an issue. When i bought my boat and drove back from Georgia to South Florida, the seller told me it was serviced, blah blah blah. (thankfully it was an overbuilt tri-axle). I lost a bearing / hub in the first 20 miles of a 400 mile trip. all i did was pull the tire, and drove south on 5 out of 6 tires. I could have lost another bearing on the other side and still would have been good, because two of the three axles was still a good setup to carry the load. my boat is 9000 lbs loaded....tri axle was (3) torsion 6k axles... I think of an overbuilt tri axle like having two working spare tires / hubs.
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Old 09-30-2020, 04:31 AM
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Definitely 3 for a 32 Reg. Here’s my 28 and I’m glad I have a triple for longer trips.



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Old 09-30-2020, 04:34 AM
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Nice looking boats.

I'm a single axle guy but I've seen double axles bust a tire at the ramp when the "second' wheel lost contact with the ground during a launch. Total mess trying to finish recovering the boat and changing the tire all at the same time.
Old 09-30-2020, 05:25 AM
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i have a similar size boat and with a tandem axle setup it’s definitely just for local towing. Even with a diesel 2500 it’s just not comfortable for 55+ mph.

i only go a short distance annually and it’s easier to maneuver in storage.


Old 09-30-2020, 06:53 AM
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Ill be the odd man out. If you have enough weight capacity to spare (not sure what your rig weighs) I would go tandem. My last boat had a triple axle trailer and it was just overkill. Triples wear tires faster, and theres more tires, bearings, and brakes to perform maintenance on. My current boat is smaller than the last but I love having a tandem again
Old 09-30-2020, 07:23 AM
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before anyone can answer that, we need to know details of boat weight, as well as trailer details including axle weight and tires!

with the correct axle weight and tire to match, a dual will be more than fine!
Old 09-30-2020, 07:43 AM
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Go quad axles!!! Why, this is THT and quad axles are pimp.
Pimp
Old 10-01-2020, 05:31 AM
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Originally Posted by BlackDogMafia View Post
We saw y'all in marathon at Vaca Cut 2 weeks ago. We had the metallic silver 330 with white 350's




To the OP, go with triple axles. I bet the regulator weighs over 12k with an average load. Add the weight of the trailer and your over 14k lbs. Our trailer is has triple 6k axles, with an average load, we have 1800 lbs to spare.

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Old 10-01-2020, 06:36 AM
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Originally Posted by aswaff400 View Post
We saw y'all in marathon at Vaca Cut 2 weeks ago. We had the metallic silver 330 with white 350's




To the OP, go with triple axles. I bet the regulator weighs over 12k with an average load. Add the weight of the trailer and your over 14k lbs. Our trailer is has triple 6k axles, with an average load, we have 1800 lbs to spare.

Right back at ya. I was following your posts on Instagram I believe leading up to your departure.
Old 10-01-2020, 10:22 AM
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If you can get the 10K axles I would definitely go with dual.
Old 10-04-2020, 04:03 PM
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Absolutely go tandem for that rig. With a tandem properly sized to carry the load, you will have heavier duty axles, heavier duty wheels, and heavier duty tires.
Old 10-04-2020, 09:09 PM
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Originally Posted by J Lightning View Post
32 Regulator w/ twin 300 outboards.

Is twin 7k axles enough or should I go with triple's?
Let's do the math:
How much does the boat AND motors weigh ?
Add approx 3500lbs for a standard aluminum trailer.
....then add your stuff ( gear, equipment, BS stuff, fuel, water, etc)

As a side note the max size for recreational single wheel trailer is 7,000lbs, I've seen very few claiming 8000lbs, therefore 14,000lbs max for tandem, 21,000 for triple.

We tow boats across the country on a daily basis and the most overlooked item, during a purchase, is the trailer. Countless times we forced shipper to purchase a new trailer, with the result of them being very happy for the purchase.

Last edited by valv; 10-05-2020 at 10:15 AM.
Old 10-04-2020, 09:15 PM
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Originally Posted by mikefloyd View Post
If you can get the 10K axles I would definitely go with dual.
there's no 10K lbs single wheel axles, for the reason there's no 5,000lbs tire to use. All 10k axles are dual wheels.
Usually single tire max capacity maxes out to 4000lbs or slightly more on G rated tires. Regular E rated tires are 3600lbs
Old 10-04-2020, 09:25 PM
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Originally Posted by valv View Post
there's no 10K lbs single wheel axles, for the reason there's no 5,000lbs tire to use. All 10k axles are dual wheels.
Usually single tire max capacity maxes out to 4000lbs or slightly more on G rated tires. Regular E rated tires are 3600lbs
There are single tire 10k and 12k axles. Lots of haulers use them on boat trailers. They cost a fortune though.

A 235/75/17.5 J tire can hold 6k lbs. The 215/75/17.5 holds 4800 lbs.

I'm so exited to see you have DOT numbers. The other guys on here are all illegal and it's wrong what they do. Good on you for doing it right.
Old 10-04-2020, 09:52 PM
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Originally Posted by cajflynn View Post
There are single tire 10k and 12k axles. Lots of haulers use them on boat trailers. They cost a fortune though.

A 235/75/17.5 J tire can hold 6k lbs. The 215/75/17.5 holds 4800 lbs.

I'm so exited to see you have DOT numbers. The other guys on here are all illegal and it's wrong what they do. Good on you for doing it right.
I didn't know we're were including commercial trailers. The sky is unlimited, there.
My message was for the common boater looking to buy a cheap trailer to tow his own boat.

Safe travels.
​​​​​
Old 10-05-2020, 07:05 AM
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Originally Posted by valv View Post
I didn't know we're were including commercial trailers. The sky is unlimited, there.
My message was for the common boater looking to buy a cheap trailer to tow his own boat.

Safe travels.
​​​​​
As just a common non commercial boater this is what I prefer to move around a 32’ center console.

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