Why the wheels?

/ Why the wheels? #3  
They look like they came from a giant mutant erector set.
 
/ Why the wheels? #4  
I would venture a guess that they are used to cut drainage channels in wet fields. I have seen similar wheels on four wheelers for that purpose.
 
/ Why the wheels? #5  
Around here they are used to spray levee's in rice fields. Occasionally they also will be used when spraying a crop such as soybeans after the plants have bushed out enough to prevent the passage of a normal tractor tire without crop damage.
 
/ Why the wheels? #6  
They look like they would give awesome traction and less soil compaction than a normal width tire.
 
/ Why the wheels? #7  
They could be Amish and not able to use rubber tires.
 
/ Why the wheels? #9  
/ Why the wheels? #11  
Back a bunch of years I had an 80 cc off road bike, locking the front brake and reving the engine did the coolest job of trenching, running water finished the job.
Also it was fun!
 
/ Why the wheels? #15  
Three uses for them. Some times used in slow high crop work but mainly rice fields and draining low spots from fields in the spring. I have a friend that had a set on his 4020.
 
/ Why the wheels? #16  
I've seen tree nursery's use them. Its so expensive to maintain sapling crops thus the smaller the field the more economical it is and a minimal track means more area to grow crops.
 

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