Best Pivot Tires for Valley Pivot Irrigation System
There are many different center pivot tires in the market that fit Valley pivot irrigation systems including pneumatic pivot tires, steel pivot tires, plastic pivot tires, and airless rubber tires. Each type has its pros and cons, preventing one problem but creating another. So, we at Evolution Wheel designed a pivot tire that won’t cause you any more headaches.
The EWRS-PIVOT Series Center Pivot Irrigation Tire
The EWRS-PIVOT irrigation tire takes all the benefits of pneumatic and airless pivot tires without the drawbacks. They have similar flexibility and traction to a pneumatic, have an airless design eliminating flat tires, and won’t cause ruts.
The EWRS-PIVOT has unique core hole geometry that compresses completely when pressure is applied. This allows the tire to compress like a pneumatic mimicking its traction as well as being self-cleaning, so you don’t have to worry about additional weight bogging down the system. The concave profile keeps soil and mud beneath the tire where the aggressive tread design increases overall floatation and traction.
The EWRS-PIVOT’s high-quality rubber has UV protection, and the rims are made with high-strength steel that will last a lifetime. It is also a segmented tire. Each segment is bolted onto the rim so all you need is a 3/4" socket to service the tire when it’s damaged. That being said, the rubber on our tires will last 2-3 times the life span of your traditional center pivot irrigation system, without the risk of going flat.
Pneumatic Pivot Tires
Pneumatic pivot tires are the industry standard however they also have their benefits and drawbacks. The best features pneumatic tires offer are their compression and flexibility. They will flex around obstacles providing traction and are made to be easy on the gearbox. The problems that arise are they go flat, and they can create ruts.
When a pneumatic goes flat from sidewall damage or punctures, they fill with mud and water bogging down the tire and damaging the gearbox or the irrigation system itself. They also create ruts due to the convex design of the tire and the directional tread. Ruts can cause soil and crop damage that will affect crop yields down the line.
Types of Airless Tire
- Steel Pivot Tires
- Rubber Pivot Tires
- Plastic Pivot Tires
Steel Pivot Tires
Steel tires will never go flat. It’s frustrating when your pivot tires go flat out in the field and when it’s happenings, it may seem like a great idea to go for a steel tire. You would be right that a steel tire will never go flat however you are likely going to have to replace gearboxes regularly due to the stress that a tire with no flexibility can cause to them.
Plastic Pivot Tires
Like steel tires, plastic tires won’t go flat. However, they are not puncture-proof. When a plastic pivot tire gets punctured, it will fill with water and mud increasing the weight of the tire and risks damaging the gearbox like the steel tire. On top of this, plastic pivot tires have very low flexibility causing poor traction as well as damage to the gearbox.
Other Rubber Pivot Tires
Other airless rubber tires like the EWRS-PIVOT series are superior to steel and plastic tires when it comes to flexibility and traction. They flex around obstacles easing stress on the gearbox.
The issue is airless rubber tires are prone to create ruts. Due to the shape of most airless rubber tires, they dig into the ground to increase their traction but in doing so create tracts. Over time, this digging causes damage to soil and crop and increases the risk of tires getting stuck causing damage to your center pivot irrigation system.
EWRS-PIVOT SERIES
The EWRS-PIVOT series of airless pivot tires from Evolution Wheel offers the most advanced airless technology to the irrigation market. This solution delivers serviceability, traction, and floatation into one impressive offering.
Our tread design and tire profile offer greater traction through mud and obstacles. The unique concave contact face helps eliminate rutting by keeping dirt under the tire, where it belongs. The face of the tire is pointed inwards. Compared to typical pneumatic irrigation tires which convex shape push mud out from under the tire, causing ruts.
Our proprietary segmented design bolts onto our high strength wheel, allowing you the ability to service the tire quickly, eliminating the need to change a tire in the field.
Unlike other airless pivot tires, the EWRS-PIVOT compresses flat pushing material out, it's a self-cleaning system. The compressed cores elongate the footprint of the tire allowing it to wrap over obstacles increasing traction and reducing ground pressure.
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