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John, Our ready to camp weight is with empty water tanks. We normally camp where we fill the FWT at the campground when they don't have water at the site and dump the B&G tanks at the campground. We don't have factory solar charging system and now using two 105AH Epoch Lithium Batteries instead of one BB 100AH lithium. Ollie weighs in around 5100lbs, honestly added a little weight to Ollie since we started towing with a F-350. When we towed with 1/2 ton pickups got creative to keep Ollie's weight under 5000lbs. We have the original 5200lb axles with 12" brakes & Dexter's 5 leaf springs (no 5 leaf failures yet), but I don't like Dexter's wet bronze bushings in the their springs, I like Alcan's spring bushings that are double the wall thickness compared to Dexter's spring bushings. If we have the wheels refinished, will start another thread about it. Thanks, Bill

Your previous post about all storage being well utilized and some weight gain over the years (for the trailer not you!), plus this post leads me to ponder your miracle of physics. Maybe: Was your board warped? With the new tires maybe they are not as tall? A run to the scales to verify weight, but with the D52 and 5 leaf Alcan’s, you surely would be taller than spec. With the Cube being behind the axle, possibly you had the nose high? Maybe your Cube has melted a bit? Real low tire pressure? Your tape measure is so old it has stretched out three inches.? Glasses Rx needs renewal? Just having fun on this one. Knowing you, it is assured that your trailer is exactly as you measured it. Good news. GJ

Bill, good tire pressure for your weight. Your camp weight of 5100 LBS is a very low number! Don't know how you do that. Heading out on a long trip, we tow with FWT full, The bottom of our closet floor is FULL of drink and water bottles. Closet and back cabinets pretty full of clothes. Front cabinets and kitchen drawers full of cooking equipment. Chris has extra dog food and coffee, pressure cooker, etc. under the front dinette. Pantry and fridge are certainly FULL! Two years ago, returning from a trip our Oliver weighed right at 6000 LBS. I need to hit the scales again, when first loaded up, leaving on a long trip. My guess is our FULL weight is closer to 6500 LBS now. We are certainly more packed now, and any weight savings in lighter batteries and the much lighter Chill Cube A/C should break even with heavy MP2 inverter and other mods added. Also, D52 axles and Alcan springs are much heavier but they can certainly carry more weight! 😎 "We don't take Ollie off pavement" then ST tires are fine, and might be lower cost. I'd refinish the wheels if the shop manager believes they would restore nicely! But I prefer original equipment and restoration, where many others prefer to buy new. If you do restore, please start a thread and post before and after pics! Best wishes, JD

I found myself on one of those small back roads one time, a couple of years ago, and could see about 1/2 mile ahead a very low overpass. While I had my specs for my Oliver etched in my brain, I decided it was time to get out and measure, since I had never done that. Just to be sure! Everything worked out, but that narrow road condition with a low overpass and no place to turn around is not a comfortable place to find oneself.

Mike, are you moving from LT to ST tires? I'm just curious what other folks with older trailers are doing. We are currently running 16" Cooper LT class E tires at 40PSI without issues with a ready to camp weight of 5100lbs (don't remember the exact tire model without looking at them). We don't take Ollie off pavement, unless the campground is not paved. I'm thinking about replacing four wheels when we replace the tires next year since the original 11 year old wheels need to be refinished. Found a local shop that will probably refinish my old 16" wheels, too. Our original spare tire had a 16" wheel with a lower profile passenger tire installed because the larger diameter LT225/75R/16 tire would not fit in the spare tire housing. Believe Oliver fixed spare tire housing size around 2016 or 2017 so the LT225/75R/16 would fit. I replaced our spare wheel/tire with a 15" Sendel trailer wheel with the ST225/75R/15 Goodyear Endurance tire that fits in our spare tire housing. Believe Oliver is now equipping new trailers with the ST225/75R/15 Goodyear Endurance tires.

Thanks Mike, I think I will air down to 40 to 50 psi. Thanks to all for the suggestions. 1st trip will be to Jay cook state park here in Minnesota middle of May, Call it the shake down trip to see how the dc-dc charger, Alcan 5 packs, and new tires goes.

Right now we have Cooper AT3, light truck tires, which is what I had on the truck too. Max pressure 80psi. I’ll be changing them out in a year or so and will go back to trailer tires and keep them at 55psi too.

We tow with a sprinter 3500 van. With its roof mounted accessories, it's a bit taller than the LE2. Its radio antenna is mounted just above the center of the windshield. We switched out the standard mast with a longer antenna that's extends about 2" higher than anything else for just that reason. It serves as an overhead curb feeler.

Somehow with Alcan springs and a new Chill Cube A/C, spec about 3.5” taller than the Dometic, we measured Hull #113 at 9’ 8.5” tall. After installing the A/C, Adam up on the scaffold, held a straight 2x3 on top of the A/C, hanging off the curbside, as I measured. I found the number hard to believe, so the next day we measured again, same number. Did the same off the street-side, exact same number. I believe this number to be accurate!

Thanks John, That's what I was looking for.

Gary, the tires you purchased are just fine! ST tires are for trailers and the Oliver is a 7K GVWR trailer. LT tires have stronger tread and outer corners for the needs of a truck. Trailer tires are pulled, so do not need strength in areas for traction and steering. Given the rocky-rutted-steep dirt road I towed today, and do so very often, I would prefer an LT tire for the Oliver. The LT tire will have stronger corners for better off-road protection. The ST tire is designed to last long and carry weight when towing. On the highway you should not notice the difference. Go extra slow on rocky roads (I was literally under 5 MPH towing today, anyway)! The fact that your tires are 80 profile, the taller the profile the more weight it will carry. Believe it or not, you can run on 30 PSI per the Goodyear load table. IMHO, I would run on 40 PSI and not more! 😎

Thanks John, My only concern is these trailer tires are said to not be underinflated or they can heat up and possibly blow out.

I run our 2022 LE2, between 50 and 55 lbs. on our Cooper Discover HT3, 16" tires. The higher you go the more jaring the ride for the trailer. Prior to 2022, Oliver was sending trailers out the door at 80 lbs. That shook a lot of electrical connections. We run with a full water tank.

Hi Mike, are yours truck tires or trailer tires.

My thoughts, exactly. There were plenty of scrape marks in the concrete above! The ALCAN springs probably puts me closer to 9’8”. Doing a backup exercise with no room for error for a couple hundred yards convinced me that a Dometic sacrifice was worth it!

I keep mine at 55psi. No issues.

Thanks John, so would 60 psi be safe? for a trailer tire.

According to Goodyear they come in 15 or 16.

Thanks dewdev, but I did not see a chart for for the tires I have,.Good year endurance ST 235/80r16 Trailer tires.

@grweber1 The 80 psi is the MACXIMUM pressure that the tire is reated for. Tire inflation is based on the weight the 4 tires see. Refer to Wayfinders post above yours. Also OTT is not recommending 80 psi.

You were lucky on that one! With our new air conditioner and new axles/springs our new height is 9’ 8”. My personal comfort zone is nothing under 11’! I have many times wondered what the real height is under a bridge seeing new looking conduit or some other pipe hanging under the bridge and/or a new layer of asphalt on the road. Hence my 11’ lower limit. Of course having an old Dometic air conditioner is sort of like curb feelers for the roof! No real loss if it takes one for the team! 🤣

The Entrepreneur made twin M 18 battery housings listed on eBay and ESTY would be the cats meow . They must be three D printed plastic if these makers could take that idea one step further and use a short pole to get the mini out of the brush or grass and maybe get a little better sky reception Hope I didn’t derail this thread two much 🙄🙄🙄

RV owners should know the height of their trailer or rig. For the last ten years 9’ 7” has been in my brain just in case we encountered a low overpass. My thinking has always been if it’s under 10’ I’m turning around! Some years ago we came to an overpass on a back road somewhere that was 9’6”, there was no traffic and I was able to easily back up turn around and find another route. On our trip home from Hohenwald a couple of weeks ago we were on I-35 South between Dallas and Waco when our GPS showed a red road ahead and recommended we exit and take back roads. That’s what we usually do anyway so we followed all the other folks doing the same thing. We started out on normal county roads but after a half hour or so we were put on a small, unnamed road for a few miles before intersecting with a major highway. We were one of many, there was a big boat and two long travel trailers ahead of us. The road soon narrowed to about a lane and a half. Basically one way traffic unless you moved over to be half off the road. There were a few oncoming vehicles, so we slowed and moved over. We could see the highway ahead so we ventured on with everyone else. When we got close to the highway we saw that we had to go under the highway, make a sharp left and continue on the access road before merging onto the highway. As we got closer we could see a big sign on the overpass - 9’10”. The boat ahead went right under. The 30+’ travel trailer stopped and two guys got out, scratched their heads, rubbed their chins looking at the overpass and their trailer while traffic is backing up behind us. They turned around and announced they couldn’t go under and would back up to get out of the way. This is on a 1.5 lane road, with a curve and a line of traffic. Cars started to scrunch over and he proceeded to back his long trailer with his big dually pick up. I put my truck mirrors in, there was about 12” clearance as he went by, slowly. Once he passed the guy in front of me came back and asked me “how tall are yew?. I said 9’7”, how tall are you? He said he had no idea and wasn’t about to measure now. He said I could just go around and then he’d do the backup thing too. When I looked at the line of traffic behind and the narrow road I estimated that it would be a better choice to break my 10’ rule and go for it. We pulled around the other long trailer and moved slowly to the overpass. Carol jumped out to watch and I was checking my mirrors. We had at least 2” to spare. I heard cheers and “he made it!” being yelled as Carol jumped back in and were were quickly on our way. Worst case I figured I might have to replace my noisy Dometic AC, but alas it is still there! Mike

Hello Oliver tire experts, Gary with hull 994 here. The old tires were at there expiration so I took off the 4 tires and brought them to discount tire and dropped them off. I had bought in advanced 4 new tires. They called me and said some that there was a mix up with the order, but they had 4 compatible ones. ( This was last fall and has not been on the road yet). So I told them to mount up the new ones, Good year endurance ST 235/80r16 Trailer tires. The Question is they are supposed to be 80 PSI, can I run a lower PSI like 55 or 60. I can not find anything on the google machine that supports a lower PSI. Did I get robbed on these tires and have to deal with the rock pounding they will produce. I also have the 4 ALCAN springs ready to go on when the Minnesota weather lets me.