irrigation gearbox

Finally, we also control the standard of each component and each step in the manufacturing process. A devoted team of irrigation gearbox purchasers, engineers, quality inspectors and machine operators works night and day to ensure each component satisfies the stringent Valley quality requirements. Because our suppliers are positioned in the United States, we can simply perform random inspections of their facilities to ensure they are meeting our quality requirements. All major parts are also machined by Valley, providing another level of quality control. A final inspection is performed by tests each gearbox before it is shipped. And, to help expand make sure Valley quality, randomly chosen gearboxes are life-tested in our gearbox testing laboratory.

But, even the best gear style and components won’t help if the gearbox isn’t sealed from the elements. That’s why Valley uses a patented six-barrier insight and nine-barrier result seal to keep oil in and problems out. To compensate because of this longer shaft, special wheels are used that truly move the center of the tire nearer to the gearbox output bearing compared to the industry standard, reducing the strain on the gearbox.

Valley also uses U.S.-made, case-hardened bearings created from ultra-pure steel instead of through-hardened Chinese bearings used by others. Case-hardening provides excellent wear features while maintaining the inner toughness of the primary material. Because of this, Valley bearings have a 40 percent greater load rating.

The Valley gearbox also offers a 52:1 gear ratio. This means the gearbox uses 4 percent less energy to move the machine through the field, but, moreover, the design includes a completely recessed tooth actions. With a fully recessed design, the gears keep lubrication oil between the gears longer, reducing friction for improved load capability and longer life.


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