Wet fields and heavy sprayers can be a devastating combination. But if rapidly growing weeds or an insect infestation requires your immediate attention, staying out of the field to wait for drier weather may not be an option. In these cases, sprayer duals may be a solution worth your consideration. Here are 6 things you’ll want to know before you outfit your sprayer with duals.

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1. Do sprayer duals help?

Yes. The extra footprint from sprayer duals will help you float over tough field conditions while saving you fuel and time. You’ll also find it easier to keep your sprayer on the row in both wet and moderate field conditions. The side-to-side “boat-like” steering, which is common in wet fields, will become more like that sports-car handling you desire.

In our experience, customers who have added duals to their sprayers are overwhelmingly pleased with their performance. Yes, road travel can become more challenging with the added machine width, but they gladly deal with that drawback knowing that they’re going to get their fields sprayed on time and without fighting to keep their tires between the rows.

Driving over uneven terrain with sprayer duals can put more stress on your sprayer.

2. Will duals put extra stress on my sprayer?

Driving on uneven terrain could put extra stress on your sprayer when duals are installed. This will happen when the dual is on higher ground than the main tire, causing it to carry the majority of the weight. The extension that spaces the tire away from the main hub will act like a lever, putting more stress on your sprayer’s hub and planetary/final drives.

On level (or gently sloping) ground, we believe any additional stress is minimal to non-existent. A sprayer with duals won’t sink into the soil nearly as far as one with single tires mounted. This means your sprayer will require less power, use less fuel, and work less hard overall.

3. Will duals void my sprayer manufacturer’s warranty?

Yes: installing duals on your sprayer will void the manufacturer’s warranty on most sprayers. Both the sprayer manufacturer and the supplier of the sprayer duals hold no responsibility for any equipment failures or repairs that may result from operating the sprayer with duals.

A Case IH 4430 sprayer with 650/65R38 floaters applying a pre-emerge herbicide.

4. Are sprayer floaters a better option?

If you don’t need the extra flotation for in-season applications, sprayer floaters (also known as sprayer flotation tires) are what we generally recommend. You’ll gain the same benefits from having extra rubber on the ground while maintaining a narrower total machine width. Also, since most sprayer manufacturers have a recommended flotation tire option, you won’t have to worry about voiding any manufacturer warranties.

You can use flotation tires for applications after your corn or soybeans have emerged by driving across the rows and experience little to no loss of crop. However, once your crop gets bigger, driving between the rows with narrow tires becomes your only option.

A John Deere 4920 sprayer with 380/90R46 duals on the rear only

5. Should I put duals on the rear only or all the way around?

For sprayers that carry the majority of their weight on the rear axle (40/60 split or 30/70 split front to rear), installing duals on just the rear of the sprayer is usually sufficient. Typically, John Deere and older RoGators will have duals only on the rear. If your machine is closer to a 50/50 split, it’s best to have sprayer duals on all four corners. However, some operators still choose to have duals only on the rear.

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6. Where can I get a dual kit for my sprayer?

NTS Tire Supply sells sprayer dual kits for every major sprayer brand. This includes John Deere, Case IH, RoGator, Hagie, Miller, and New Holland sprayers. We often have a good selection of used sprayer tires, so you may be able to outfit your sprayer with duals for under $3,000 (depending on our used tire availabilities). Or if you’d like to go new, we can set you up with any major tire brand.

If you’re looking for sprayer dual kits, or if you have questions about getting set up, call us at (888) 787-3559 or drop us a line on our contact page.

July 15, 2019
Knowledge Guide

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