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I read the OP’s post wrong and thought he was trying to put an R6 on a R5 trailer. Either way the hulls are different.Holy Smokes wrote: Wed Nov 30, 2022 12:54 pm He's wanting to put an R5 on a R6 trailer. Overall capacity should be fine. Trailer axles are "typically" either 3500# or 6000# rated. Likely, most tandem axle trailers would be 7000# minus trailer weight capacity.
Weight distribution and bunk location is a different story.
That's very interesting....I always estimated my R5 to be around 6500# with no fuel. I did weigh my tongue with my Sherline scale and it came out at 600#. Assuming you had 25 gallons of fuel, that would be 150#. Based on your weight of 6800# with half fuel, I would be at 6650# with no fuel.Snowman8 wrote: Sat Dec 03, 2022 7:55 pm
I read the OP’s post wrong and thought he was trying to put an R6 on a R5 trailer. Either way the hulls are different.
Not that it really matters but they make trailer axels in nearly any weight configuration a trailer manufacturer wants. My EZ Loader trailer that I originally had came with 2 - 3700lb axels under it. My R5 with half a tank of gas on the trailer weighed 6800lbs. The next trailer up in size that I was supposed to get for my R5 had 2 - 4200lb axels under it. When I asked EZ Loader why they would put a boat on a trailer and have it at max capacity with almost zero room for extra weight their response was, the trailer you have is rated to carry the listed weight of your boat, if you overload the trailer your warranty will be voided. I sold my EZ Loader and ordered a Loadmaster with 2 - 6000lb axels.
I put my trailer on a certified scale at the local feed mill a few miles from my house and I just got a total weight of boat and trailer.bruceb58 wrote: Sat Dec 03, 2022 10:59 pmThat's very interesting....I always estimated my R5 to be around 6500# with no fuel. I did weigh my tongue with my Sherline scale and it came out at 600#. Assuming you had 25 gallons of fuel, that would be 150#. Based on your weight of 6800# with half fuel, I would be at 6650# with no fuel.Snowman8 wrote: Sat Dec 03, 2022 7:55 pm
I read the OP’s post wrong and thought he was trying to put an R6 on a R5 trailer. Either way the hulls are different.
Not that it really matters but they make trailer axels in nearly any weight configuration a trailer manufacturer wants. My EZ Loader trailer that I originally had came with 2 - 3700lb axels under it. My R5 with half a tank of gas on the trailer weighed 6800lbs. The next trailer up in size that I was supposed to get for my R5 had 2 - 4200lb axels under it. When I asked EZ Loader why they would put a boat on a trailer and have it at max capacity with almost zero room for extra weight their response was, the trailer you have is rated to carry the listed weight of your boat, if you overload the trailer your warranty will be voided. I sold my EZ Loader and ordered a Loadmaster with 2 - 6000lb axels.
That would also mean that the weigh on the axles is actually 6650#-600# tongue weight which is 6050#(around 5 gallons in the tank).
Seems that 3500# axles would be sufficient. I need to look at what my axles are rated for. I have 15" tires so they may be higher than 3500#. Trailer is in storage.
Very common for trailer manufacturers to calculate what the tongue weight would be, since that weight doesn't get carried by the axles, and size the axles accordingly.
Did you actually put it on a CAT scale and weigh it? What did your tongue weight come in at?
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I do agree with you that running the axles close to max capacity would be something I wouldn't do.Snowman8 wrote: Sun Dec 04, 2022 7:29 am
I put my trailer on a certified scale at the local feed mill a few miles from my house and I just got a total weight of boat and trailer.
If you are okay with your trailer running close to max load all of the time 35-3700lb axels would be sufficient. In my line of work I’ve seen so many things break when running at max capacity that I like to see a little extra fudge factor. It would be a real downer if I was 600 miles from home on a family vacation and have something break on my trailer. Heck it would ruin a good day if something broke on the way to or from the water if I was only 50 miles from home.
How about putting a 220 on top so I don't have to trailer it anymoreSnowman8 wrote: Sat Dec 10, 2022 7:55 am I’m sure 17% is fine. Those numbers are based on my half a tank of gas and nothing else in my boat while on the scale. 25 more gallons of gas, a couple coolers full of lemonade, food and ice that 17% shrinks. I am now running with two 6000lb axels so I could put an R3 on top of my R5 and still be fine. Since I was having a custom trailer built there isn’t much difference in price for axels so I just went with the recommendation of Loadmaster and had them use 6000lb axel
When I see my trailer again in a couple weeks...going to look at the axle specs. Since I have 15" tires, pretty sure it's probably more than 3.5K or 3.7KSnowman8 wrote: Sat Dec 10, 2022 7:55 am I’m sure 17% is fine. Those numbers are based on my half a tank of gas and nothing else in my boat while on the scale. 25 more gallons of gas, a couple coolers full of lemonade, food and ice that 17% shrinks. I am now running with two 6000lb axels so I could put an R3 on top of my R5 and still be fine. Since I was having a custom trailer built there isn’t much difference in price for axels so I just went with the recommendation of Loadmaster and had them use 6000lb axels.
At work we use Towmaster trailers with two 7000lb axels to haul our Cat skid loaders. Those trailers are always running at or close to max load and we have had 3 or 4 of them with bent spindles or axels in the past. I just figured if I had the option to make it better I would.
Let’s try it. I’m game! That would mean that you would have to take your boat out of your garage. I thought I read that you are trying to get on the water full time?Big Block Power wrote: Sat Dec 10, 2022 11:37 amHow about putting a 220 on top so I don't have to trailer it anymoreSnowman8 wrote: Sat Dec 10, 2022 7:55 am I’m sure 17% is fine. Those numbers are based on my half a tank of gas and nothing else in my boat while on the scale. 25 more gallons of gas, a couple coolers full of lemonade, food and ice that 17% shrinks. I am now running with two 6000lb axels so I could put an R3 on top of my R5 and still be fine. Since I was having a custom trailer built there isn’t much difference in price for axels so I just went with the recommendation of Loadmaster and had them use 6000lb axel
It’s possible, my EZ Loader had 14” C rated tires new & I upgraded to a D load range right away because the C’s looked like squashed marshmallows.. I went with load range E 15” tires instead of load range D. I also didn’t feel the need to go up to a 16” wheel & tire. My Loadmaster trailer is already about 3” taller than my old EZ Loader trailer so I really didn’t want to raise the boat any higher if I didn’t need to. When the river I launch at gets low I end up quite a way into the water with the truck already. Loadmaster makes an extendable tongue but I did feel like I needed that either. I did opt to make my trailer 2’ longer than what Loadmaster suggested so that helps a little with launching and it tows like a dream!bruceb58 wrote: Sat Dec 10, 2022 6:11 pmWhen I see my trailer again in a couple weeks...going to look at the axle specs. Since I have 15" tires, pretty sure it's probably more than 3.5K or 3.7KSnowman8 wrote: Sat Dec 10, 2022 7:55 am I’m sure 17% is fine. Those numbers are based on my half a tank of gas and nothing else in my boat while on the scale. 25 more gallons of gas, a couple coolers full of lemonade, food and ice that 17% shrinks. I am now running with two 6000lb axels so I could put an R3 on top of my R5 and still be fine. Since I was having a custom trailer built there isn’t much difference in price for axels so I just went with the recommendation of Loadmaster and had them use 6000lb axels.
At work we use Towmaster trailers with two 7000lb axels to haul our Cat skid loaders. Those trailers are always running at or close to max load and we have had 3 or 4 of them with bent spindles or axels in the past. I just figured if I had the option to make it better I would.
I have to air up the tires to get it under the garage door so nothing hitsSnowman8 wrote: Sat Dec 10, 2022 6:14 pmLet’s try it. I’m game! That would mean that you would have to take your boat out of your garage. I thought I read that you are trying to get on the water full time?Big Block Power wrote: Sat Dec 10, 2022 11:37 amHow about putting a 220 on top so I don't have to trailer it anymoreSnowman8 wrote: Sat Dec 10, 2022 7:55 am I’m sure 17% is fine. Those numbers are based on my half a tank of gas and nothing else in my boat while on the scale. 25 more gallons of gas, a couple coolers full of lemonade, food and ice that 17% shrinks. I am now running with two 6000lb axels so I could put an R3 on top of my R5 and still be fine. Since I was having a custom trailer built there isn’t much difference in price for axels so I just went with the recommendation of Loadmaster and had them use 6000lb axel