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Loaded Tires

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Peter
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2001-03-31          26142

I have a JD-4400 with R3 tires. The operator's manual gives the UNLOADED Tire Pressure as 12 psi and LOADED Tire Pressure as 30 psi. What do the terms LOADED and UNLOADED mean in this context? I seen "Loaded" used in reference to tires with fluid in them and "Loaded" used in reference to the gross weight of the tractor and attached implements.

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Loaded Tires

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Jeff
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2001-04-03          26256

Loaded means with calcium chloride liquid in the tires (filled ~75% I presume).
You must fill them so that the entire rim is always covered, but never never
fill them up fully. They need lose their ability to handle stumps, bumps without bursting.

I have my Turf tires loaded. I use a 6' grader blade, pull stumps run the
loader, plow snow and never have either traction problems, nor do the rear
wheels ever lift. (With my JD855) When running the loader, I usually keep
have the grader blade on as well, so that helps keep the balance too. ....

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Loaded Tires

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Bird Senter
Join Date: Jun 1999
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2001-04-03          26262

Peter, I don't really know for sure about your John Deere, but I do believe in this instance, the LOADED is referring to gross weight, not ballast in the tires. I don't know of anyone who runs 30 psi in R1 tires. I have water/anti-freeze in my rear tires and run 12 psi on my little Kubota B2710. I also have a neighbor who has 3 John Deere tractors in the 100-120 hp range and he's running just air in his tires, but also at 12 psi. ....

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