Odd tire question

notjustair

Well-known Member
Just something I have wondered about for the last 10 years (no joke).

Why are the tires on my Schaben 1000 gallon sprayer put on backwards? I?ve notived that all of the ag tread sprayer tires are always put on to rotate the tread backwards. I know the old pull manure spreaders had them backwards to get some grab and help them not slide with a load. So why do they do it on something that merely rolls?

They even have a direction arrow of rotation (I assume they could fit some kind of high crop tractor or something) and they are still mounted backwards. You don?t move hub/wheel placement to get row crop widths - the square tube axle itself will slide out, so it?s not like you would shift them side to side to change tread widths. The rims only mount this one way and they were done purposely. It?s not the only one like it in the area - they are all like that. I always figured there must be a reason that I wasn?t smart enough to see. They are starting to get a little weather checked. Guess I better have the Coop mount them backwards.
 
It's all about the economy of scale. It would be very expensive to manufacture large rib tires for implement use since the overall quantities in any one size would be limited which in turn drives up the cost. Lug tires in every size already exist for tractor use so it only makes sense to use the same tires on large implements.
 
You know, I had heard of that too come to think of it. Growing up we owned a solid section and now I have two sections side by side. I don?t worry much about roading the machines a lot. I?m pretty fortunate.
 
One reason is to keep the wheels turning in a wet soft soil condition. Once the tires stop turning it makes for a very hard pull.

37 years vegetable growing experience. Mark
 

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