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RE: F150 payload quetion
The Screw with 6.5 bed has the thicker frame material as the HD Scab 8' bed. Also the HD has the 4800 RAWR, so if the part #'s are the same then the Screw Maxtow with 6.5 bed should have the 4800 RAWR. Doubt it does as the axles would be different to accommodate the 7 lug wheels. IIRC there are different bushings and what not as well on the HD.
All good points. looking at Fords fleet builders specs shows:
... The HD package has the 4800 RAWR 9.75" rear axle.
... The MAX package has the 4050 RAWR 8.8" rear axle.
... 1.33" dia axles with 34 spline for the 9.75" axle in the HD.
... 1.29" dia axles with 31 splines in the 8.8" axle in the MAX.
The 7 lug HD wheels are 2400 lbs rated vs 2025-2100 lbs for the others.
The 8200 GVCWR HD package is set up to carry more weight but tow ratings are similar to the MAX tow.
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JIMNLIN
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05/16/13 12:54pm |
Tow Vehicles
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RE: Fifth Wheel Capabilities Truck
I do not know what a 6.0 is, but a 454 cubic inch engine is a big block.
EDIT
I had to convert 6.0 into cubic inches to be able to understand how big a 6.0 is, a 366 cubic inch definitely not a big block
Keep in mind the OP is about a '13 model truck.
The problem is Ram hasn't had a big block gas engine since dropping the 488 ci (8.0) V-10 in '03.
Or GM dropped the 498 ci (8.1) in the late '00s.
Or Ford dropped their V10 in the late '00s.
These big blocks had the hp and more importantly the big torque numbers (450-500+) to pull heavy loads more easily without all the typical high rpm as our small block gassers require.
At one time we had a choice to pull heavy (similar tow ratings) with a diesel or the big block gas engine.
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JIMNLIN
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05/16/13 07:21am |
Towing
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RE: Fifth Wheel Capabilities Truck
OK I give, give me an example of a 2012 LARGE block.
:h :@
Your idea so You tell us.
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JIMNLIN
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05/14/13 06:09pm |
Towing
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RE: Fifth Wheel Capabilities Truck
Looking at GM online fleet ordering guide CLICKY LINK shows your 2500 Chevy WT has 3500-3600 lbs payload. The truck will have no problems carrying that trailers pin weight.
Now the deal killer is GM say the '12 2500 WT 6.0 4x4 short bed 3.73 has a 9800 lb tow rating (4.10 gears = 14300 lb)
IMO any smallblock pulling over 12k will not make for a comfortable towing experience. The truck will struggle at those loads. I would stick with a 10k wet weight trailer.
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JIMNLIN
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05/14/13 12:19pm |
Towing
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RE: over on RAWR occassionally
This is the result of the GVWR being tighter to the total GAWR of the truck. Now days that is running between 90% to 95% of the total GAWR, so it is possible to exceed the GRAWR without exceeding the GVWR
Good point.
This pops up especially on some F150 models with the high GVWRs.
Now the '13 3500 Dodge SRW has a whoppin' 12400 GVWR and 7000 RAWR. I see rear axle over load written all over this truck when RV folks use GVWR to figure a payload.
The '12 F350 SRW has a 6290 RAWR and 6730 RAWR and 7000 RAWR packages depending on truck selection. The OP has the 3750 lb rated tires so I assume his truck has the 7000 RAWR package.
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JIMNLIN
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05/13/13 06:57pm |
Tow Vehicles
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RE: Which Spring Enhancement for Ram 3500 hd DRW crewcab longbed
Your 3500 DRW Dodge has those big 9350 RAWR.
Is the trucks rear sagging ?
Is the truck dedicated for the truck camper or does it do other hauling/towing duties ??
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JIMNLIN
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05/13/13 06:07pm |
Truck Campers
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RE: Another Tire Question
jimnlin is misinformed about steel wheels not being able to take 80 psi.
side bearing loads and the strength of the wheel being able to support a load are exponentially greater than tire pressure within a wheel .
further , when these rv or light truck wheels fail they do not do so catastophically .
rather they develop a crack at a "shoulder" and they fail because they can no longer maintain a constant pressure.
I never said a steel wheel wasn't rated at 80 psi. See my above post on different wheel pressure ratings.
I base my opinion on facts from the wheel makers and my personal and other operators experience of busted out or cracked steel wheel centers and split bead seat flanges from using the wrong capacity/pressure rated wheels and from and wheel dealers recommendations.
All steel wheels are stamped from different material thicknesses so one size don't fit all.
when these rv or light truck wheels fail they do not do so catastophically .
Busted/cracked wheel centers and busted valleys are not uncommon on LDTs out here in the real world. Now granted the vast majority of RV folks/persons don't carry max axle/wheel or tire loads so its possible that some could come to the erroneous conclusion that wheels don't fail or especially don't fail catastrophically. Wheels can and have failed from using the wrong capacity(s).
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JIMNLIN
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05/13/13 06:17am |
Travel Trailers
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RE: What is FMVSS 110?
ยง 571.110 Tire selection and rims and motor home/recreation vehicle trailer load carrying capacity information for motor vehicles with a GVWR of 4,536 kilograms (10,000 pounds) or less.
S1. Purpose and scope. This standard specifies requirements for tire selection to prevent tire overloading and for motor home/recreation vehicle trailer load carrying capacity information.
S2. Application. This standard applies to motor vehicles with a gross vehicle weight rating (GVWR or 4,536 kilograms (10,000 pounds) or less, except for motorcycles, and to non-pneumatic spare tire assemblies for those vehicles.
S3. Definitions.
Snipped for length as its pages and pages long. As it says its a tire and rim selection procedure for varoius vehicles under 10k lbs.
clicky link
Use the clicky and see all the 571 FMVSS regulations. Scroll down to 110 tire and rim selections for under 10k lbs vehicles. Above 10k vehicle tire and rim selections is covered under 571.120.
IMO Toyota legal department could best give the reasons the add reads as it does or why they phrased it like that.
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JIMNLIN
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05/12/13 07:15pm |
Tow Vehicles
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RE: Another Tire Question
Chuck I had not thought about the rim width. You are right they are only 5". Looks like that could be a limiting factor. The rims do not have a visible weight or psi rating anywhere on them. If it is there it must be stamped on the inside which really does not help as that means I won't know until they take the tire off the rim. I don't think there should be a problem going from C to D or which is going from 50 to 65 psi. I can see where going to 80 psi with and E rating could be an issue.
Wheels like tires are pressure and capacity rated. Anyone/persons that says all 15" steel wheels are pressure rated to 80 psi has no business offering advise or tell others to ignore the wheel manufacturers pressure ratings. If your steel wheels have no pressure ratings then its time to contact the wheel manufacture. You sure don't want a split bead seat on the wheel. Just like the over pressured tire it can have a sudden loss of pressure. Even tire manufacturers warn to use the proper pressure and capacity wheel for the tire.
Dexstar has 15" steel wheels rated at 50-65-75 and 80 psi.
Chuck makes a good point on using the proper width wheel for a particular tire. Same goes for pressure and capacity as one size don't fit all. Lets be safe out here.
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JIMNLIN
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05/12/13 06:13pm |
Travel Trailers
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RE: Slider Hitch danger?
Generally ignorant comments like that are about another hitch brand. I would use a different RV dealer. I sure wouldn't trust any dealer after that type of comment.
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JIMNLIN
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05/12/13 07:31am |
Fifth-Wheels
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RE: Another Tire Question
Agree with Larry. A trailer unlike the tow vehicle can have too much tire. The Rockwood is a ultra lite trailer and all show a 6k-7k GVWRs.
You didn't tell us what the trailers GVWR was or axle GAWRs but looking at '13 Rockwood web shows the biggest at a 7800 GVWR with a 1380 CCC figures about 1600 lbs per tire. Now add 15 percent for a nice capacity reserves and the the 205/75-15 C at 1820 lb work out fine.
Higher pressure 65 psi tires require higher 65 psi pressure rated wheels. You want to run the ST tire at its max pressures so the wheel will need to be be rated to use 65 psi. Some 15" wheels are rated to 50 or 65 or 75 and 80 psi.
No more than your trailer is on the road I would go with the 205/75-15 C at 50 psi. Brand is your choice as IMO a ST tire is still a ST tire and all brands have the same issues. Even the Maxxis ST8008 although they seem very popular at this time.
Or the new and improved Carlisle RH may actually be improved.
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JIMNLIN
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05/12/13 06:46am |
Travel Trailers
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RE: Tire Info
CapriRacer make a good point on number of actual plies in a tires carcass. Even my load range E tire 10 ply rated have a 2 ply sidewall however the two plies are much heavier than a lower rated D or C or P tire.
Looking at the new 25' KZ Sportman trailer shows a 4800 GVWR which has a 1200 lb per tire as a minimum load requirement. Your P205/75-15 may have 1453 lbs capacity at 35 psi.
Years back we used 32 psi rated P tires on tandem axle trailers but at only 32 psi we also broke the beads loose when side scrubbing around corners (the tire bead comes unseated with sudden loss of pressure). If you stick with P tires look for one that carries 44 + psi. The higher pressures insure the tires beads stay seated. The beauty of P tires is their not speed restricted to 65 mph as the ST tire nor do they have ST tire reliability issues.
If your needing more sidewall strength the ST205/75-15 C load range is rated as a 6 ply at 50 psi at 1820 lbs capacity which should be within the wheels pressure and load capacities. I would stick with a radial on a highway trailer. Right now the ST8008 Maxxis has a better reliability record that all the other ST tire brands.
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JIMNLIN
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05/11/13 09:05am |
Travel Trailers
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RE: can someone please explaing this
:? :h
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JIMNLIN
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05/11/13 08:28am |
Fifth-Wheels
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RE: Komfort 2620 tows very high in front with stock GMC 2500
Thanks Sry, and you may be right about that. I hadn't thought about the ramifications when parked. Still...I'd like it to tow level and deal with the negatives. Thanks
As well the trailer needs to be level as possible. I live just off the mother road (old US-66) and watched a RV transport from Horizon pull a smaller 5er through town. The trailer was nose high and at each red light the front axle tires would lock up and slide. They simply didn't have enough weight for balanced braking. Brake performance is a issue when towing nose high. Rear axle/tire and wheel overloading can be a issue also.
Found this excellent thread clicky link on how to raise the trailer properly with a 2x2 or 2x3 or 2x4 inch square tube sub frame under the trailers main frame rails. The pictures explains the particulars.
Also longer/heavier spring hangers with adjustable holes can be added by cutting the existing spring hangers off and welding the new in place. Generally a pro shop will add proper braces inside the spring hanger plates and between the right side and left side plates. Lots of leverage on the longer plates.
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JIMNLIN
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05/11/13 07:40am |
Fifth-Wheels
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RE: Source for Ford OEM spec's
https://www.fleet.ford.com/truckbbas/topics/techspec.html
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JIMNLIN
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05/10/13 06:10am |
Tech Issues
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RE: 2000 Dodge Cummins with 3.55 gears
I had a '01 2500 Dodge/Cummins 3.54 235/460 with the 47RE. One sick puppy in od which is a .69 OD. Ran the truck in 3rd gear. My neighbor had a same '00 one ton DRW 235/460 with the 5 speed manual and 3.54 gears. He had no problems pulling any weight.
Your going to have to pull with it and see if you like the 3.54 gears. I sure didn't.
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JIMNLIN
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05/09/13 06:17pm |
Fifth-Wheels
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RE: Questions on Duramax purchase
315s... doesn't sound like an old guy owned it.
X 2
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JIMNLIN
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05/08/13 06:53pm |
Tow Vehicles
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RE: Goodyear HMG 2020 tire
Look at the Michelin Agilis AS LT commercial application
205/75R14C 109Q 26.1 " at 2266 lbs @ 69 psi.
http://www.michelinman.com/tire-selector/name/agilis-tires?Wt.mc_id=Paid%2520Search;Google;michelin%20agilis&WT.srch=1&gclid=COfrpbnmh7cCFfBaMgod7BMANA#techspecs
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JIMNLIN
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05/08/13 06:50pm |
Towing
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RE: Fifth wheel slider
I have a '97 Reese 16K manual slider. When new it wouldn't slide without taking weight of the hitch. I had it gunked up with white spray on grease.
I disassembled it completely and cleaned it up. Then sprayed the square tubes and rollers with a dry spray lube several times. Worked like a hot knife through butter. I spray wash the hitch in the spring and use lots of dry spray 2-3 times a summer. The hitch still slides easily without using the landing gears.
I stopped using the white spray grease as it attracted grit/dirt/wood chips/etc.
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JIMNLIN
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05/08/13 06:23pm |
Fifth-Wheels
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RE: Tire challenge - 15"
So I have the tire size down; 225/75R15 and am looking for just a touch of advice on the wheel.
I believe you mean LT225/75R-16 E.
I have it measured out so matching hub and lugs should not be an issue. I'm a little unsure about the Center cap of all things. I know with the existing wheels the cap is more of a tube presumably to account for the hub itself. Knowing most wheels come with a flat plate to cover the hub I'm not sure if I need a specific wheel.
Most wheels I've seen have a center cut out for clearing the hub. IMO your wheel caps will work fine however your wheel makers or distributor should have all that type of info.
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JIMNLIN
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05/08/13 08:20am |
Toy Haulers
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