At a glance, tractor tires appear to be intimidating, but they are really not. Tractor tires are big, but they are fundamentally the same as bicycle or car tires. All you need to fill them is an air inflator or compressor, a tire gauge, and knowledge of your tire's correct PSI.

The Most Important Thing to Know!
Tire filling is fairly fool proof. In fact, there is only one way to mess up filling a tractor tire with air, and that is to fill to the improper PSI. Check your tractor's manual for the correct PSI before you start because overfilling could cause tire rupture. Conversely, under-inflation may also cause unnecessary strain on the tire; the sidewalls will over-flex due to lack of pressure and the treads will wear out more quickly. You may notice that the PSI is higher than your car tire's PSI. Usually, heavier vehicles with larger tires have higher PSI.

Determine Your Tire's Present PSI
Unscrew the tire valve stem cap; it should be on the inside rim of the tire. Attach your gauge to see the tire's present PSI. Until you have filled your tires a few times and are familiar with the correct pressure, it is a good idea to stop the inflating and check the pressure with the gauge multiple times during the inflation. This will stop you from overfilling. Also, checking your tire's pressure occasionally during the year Ð even when you don't think they need filling Ð is a good idea. Periodical checking will show you if the pressure has gone down farther than you thought or if you have developed a leak.

Your Air Inflator
Some choose to drive into town to the gas station and fill their tires there. If you live close enough, this is a viable option. However, pumping your own tires can save the time of the drive, and a manual air inflator is an inexpensive option. Also a portable air compressor can be purchased between $10 and $200 online or in the store.

Fill Your Tire
Connect the air hose to the stem and use the pump on the manual air inflator to force air into the tire. If you are using an air compressor, the tire will begin filling without help. Pause frequently to check your PSI. When your tire reaches the correct PSI, put your valve stem cap back on, and you are done.

 

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