Handyman Posted July 31, 2011 Share #1 Posted July 31, 2011 My trailer weighs 156 lbs. It has 12 inch tires. It calls for 60 lbs of tire pressure Max. Since it will never weigh over 250 or 275 lbs loaded, should I run 60 lbs or can I run less air pressure? I don't want to run anymore than I need to be safe. Thanks Richard Link to comment Share on other sites More sharing options...
Rick Haywood Posted July 31, 2011 Share #2 Posted July 31, 2011 My trailer weighs 156 lbs. It has 12 inch tires. It calls for 60 lbs of tire pressure Max. Since it will never weigh over 250 or 275 lbs loaded, should I run 60 lbs or can I run less air pressure? I don't want to run anymore than I need to be safe. Thanks Richard So does mine but the manufacturer taold me to run around 20-25 lbs depending on how loaded it was. I run 25 all the time in mine. If you run I60 you will find it bounces and is generally rough pulling run Link to comment Share on other sites More sharing options...
flb_78 Posted July 31, 2011 Share #3 Posted July 31, 2011 My Harbor Freight has 12" bias ply tires. I ran 10psi of air in them and they still bounced because they were too hard. Link to comment Share on other sites More sharing options...
wes0778 Posted July 31, 2011 Share #4 Posted July 31, 2011 Just my scientific wild a$$ guess idea, but once loaded I air my 8" tires up until there is no noticeable sidewall flex. So far that has worked out to 25 to 30psi. I suspect at 60psi you would think you were dribbling a basket ball behind the scoot... JMHO Link to comment Share on other sites More sharing options...
Handyman Posted July 31, 2011 Author Share #5 Posted July 31, 2011 I'm heading out on it's maiden trip on Wednesday(3000 miles). A big portion of it is interstate. I think I'll start out with 25 lbs. I can adjust down if I need to. Thanks for the replys Richard Link to comment Share on other sites More sharing options...
V7Goose Posted July 31, 2011 Share #6 Posted July 31, 2011 More air in the tire always reduces rolling resistance, but on a lightly loaded tire, the difference is minimal. The harder the tire, the easier it is to roll, but the rougher the ride. With your trailer fully loaded, inflate the tires just enough that you see only very minimal or no tire flex as you lift up a bit on the side of the trailer, then make sure both tires are at the same pressure. No matter how low that pressure is, you will be just fine. Goose Link to comment Share on other sites More sharing options...
Brake Pad Posted August 4, 2011 Share #7 Posted August 4, 2011 I have 12 Inch tires, said to max at 60, but I run about 52 Link to comment Share on other sites More sharing options...
99silver Posted August 4, 2011 Share #8 Posted August 4, 2011 Just pulled my H/F to Cody and back with 20# - 12" tires. did fine and the tires are not showing wear and did not get hot. Link to comment Share on other sites More sharing options...
SilvrT Posted August 4, 2011 Share #9 Posted August 4, 2011 The pressure you put in may also vary depending on how many plys in the tire. Are they 4 ply or 6 ply? I just bought a Lees-ure Lite tent trailer and the tire size (16.5 x 6.5 x 8) is a 6-ply tire (that's what they come with) and even though the max load rating is 615 lbs @ 45psi, the manufacturer recommends anywhere from 24-28 lbs for optimum performance. Link to comment Share on other sites More sharing options...
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