Sorry about this, I'll bet its been covered but I can't find it. I have 2006 Keystone Sprinter, the tires on the unit are Mission TC108 235/80/R16, the placard calls for 235/85/R16E...Keystone insists on giving me the PSI on the placard dispite the fact that they didn't put the tires listed on the placard (the placard says 65 Psi but thats for the tire listed, not for the tire actually on the unit). One source on the net seemed to think the PSI was 80 on this tire. Two questions; anyone know the proper PSI for these Mission tires and don't the mfgers have the obligation to put the tires listed in the placard?
alexpinca wrote: Sorry about this, I'll bet its been covered but I can't find it. I have 2006 Keystone Sprinter, the tires on the unit are Mission TC108 235/80/R16, the placard calls for 235/85/R16E...Keystone insists on giving me the PSI on the placard dispite the fact that they didn't put the tires listed on the placard (the placard says 65 Psi but thats for the tire listed, not for the tire actually on the unit). One source on the net seemed to think the PSI was 80 on this tire. Two questions; anyone know the proper PSI for these Mission tires and don't the mfgers have the obligation to put the tires listed in the placard?
If I understand it you want a new (different plaque) to state current tires requirements? If so the manufacturer is only liable to accurately label tires used and installed at time of manufacture. They cannot and would not address changes in or modifications in original equipment. If I miss understood your post disregard my answer.
alexpinca wrote: Sorry about this, I'll bet its been covered but I can't find it. I have 2006 Keystone Sprinter, the tires on the unit are Mission TC108 235/80/R16, the placard calls for 235/85/R16E...Keystone insists on giving me the PSI on the placard dispite the fact that they didn't put the tires listed on the placard (the placard says 65 Psi but thats for the tire listed, not for the tire actually on the unit). One source on the net seemed to think the PSI was 80 on this tire. Two questions; anyone know the proper PSI for these Mission tires and don't the mfgers have the obligation to put the tires listed in the placard?
You =always= inflate to what the tire says, unless it's woefully =underrated= for the application. Your Missions are an E-rated tire, which is to be inflated to 80 psi cold. My placard no longer matches my tires, as I upgraded from D to E rated tires. You just need to double-check that the rims are rated for 80 psi, even though you currently have E rated tires installed.
Lyle
2002 GMC Sierra 2500 HD Duramax Crew Cab 4x4
Banks Bullet Tuner and Monster Exhaust
B&W Turnover Ball with 5th Wheel Companion
2004 Komfort 25FSG Fifth Wheel
1936 John Deere Model A
International Flying Farmers 55 Year Member
I think what you are saying is that the tires that Keystone shipped are not what they think/say they shipped, and are not what is on the placard. I can see a number of ways that could happen, but unless their records show the actual tire, they are unlikely to change the placard for you.
Shouldn't be a concern really. An annoyance perhaps, but you lucked into better than expected tires, so I wouldn't complain too much.
ALL tires will have the maximum rated cold inflation pressure molded into the sidewall. THAT is the pressure you want to use. If the placard bothers you, have a smart kid make up some labels to stick on the placard.
A label screwup by Keystone does not surprise me for a moment. My 278RKS came with a label on the side that says 278RLS, even though Keystone never made a 278RLS. They made my 278RKS and a 276RLS, but someone screwed up on the labels and made a bunch for a non-existant model. My dealer requested a new label, but I never got anything, and it just doesn't bother me enough to sweat over it.
Now you've done it! Here are a bunch of folks who DO NOT agree with inflating to max sidewall pressure (unless the tire is loaded to max weight) but to use the Manufacturer's load/pressure tables to set the tire pressures correctly.
This does mean you need to weight the rig, preferably at all four corners, and set the tire pressure on tires on the same axle at the pressure needed for the one with the heavier load.
FWIW you do not need 80psi in those tires, they will ride hard and wear the tread center faster than the rest.
Keith J.
1999 Sunnybrook 27RKFS Fiver.
2005 GMC Sierra 2500HD CC/SB/DA 2WD, LBZ air cleaner, 52 gal Titan tank, Bilsteins, Line-X, Westin steps, Prodigy, Retrax cover, 16K Superglide, 5th-Airborne pin-box, Multi-vex mirrors, TST TPMS.
kaydeejay wrote: Now you've done it! Here are a bunch of folks who DO NOT agree with inflating to max sidewall pressure (unless the tire is loaded to max weight) but to use the Manufacturer's load/pressure tables to set the tire pressures correctly.
This does mean you need to weight the rig, preferably at all four corners, and set the tire pressure on tires on the same axle at the pressure needed for the one with the heavier load.
FWIW you do not need 80psi in those tires, they will ride hard and wear the tread center faster than the rest.
I wouldn't call that "a bunch of folks". But rather a few misinformed human beings given to mistakes.
So have that smart kid make labels that say whatever you want them to say. Once you figure out what pressure you want to run.
Actually my main concern is that the tires on this unit are not what the placard says they should be. Placard 235/85/R16E... the unit has 235/80/R16 tires...the Placard calls for E meaning 10 ply, the tire says 5 ply...this and the proper inflation of the tires actually on my unit is my main concern...the tires state that the psi should be whatever the mfg says on the placard but the mfg put different tires than the placard calls for.
I don't know about "a bunch of folks", nor do I care about uninformed opinions.
I suggest you check with your tire maker. All of them I have check with have charts for their various tires which list the proper pressure for the load they will be carrying. They are serious about that. Too little pressure and the tire will overheat and self destroy on a hot day of highway driving. Too much pressure and you will lose the proper amount of ground contact which will show up on highway cornering, on emergency braking, and on tire wear. Yup, too much pressure will reduce the road contact so much that the tire will be skipping just enough on traction intensive situations that it will scrub rubber off the tread. (By the way, I learned this the hard way with a set of Michelns.)
If Keystone insists that 65 pounds of air pressure is right for your trailer, I would go with that unless the tread width is significantly different from the tire on the placard. And then I would check with the tire maker and go with that. THE MAXIMUM PRESSURE LISTED ON THE TIRE SIDEWALL IS NOT THE RECOMMENDED UNIVERSAL PRESSURE. It is just what it says, the MAXIMUM pressure for the MAXIMUM load.
You did the same thing thing in both your post. You quote what the placard says and give the load range, E on the placard, but do not state what load range is on it. You give the size that is actually on it, but not the load range!
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