HuchMaster RPN Offset Disk

   / HuchMaster RPN Offset Disk #1  

bsekf

Silver Member
Joined
May 9, 2016
Messages
190
Location
WNY
Tractor
Kubota 7030, Long Landtrac 4700, Mahindra 5155
Bought this disc and have identified it as a HutchMaster RPN8. ID Tag is damaged, the SN ends with 138 and it says ROYAL. I have found the owners manual for this disc on line and printed the pages. The discs on the leading edge of the front and trailing edge of the back gangs are broken and it appears as if they are a different size than the rest. The parts list has 6 sizes for the front gang, from 26 " blade .250 3 1/2 concave to 24,.203 3" concave with cutout. The rear gang lists 13 sizes from 26".250, 4" concave to 16" .148, 1 1/2 concave with cutout. Pictures of the disc show the trailing edge of the rear gang has smaller discs.

Can someone give me more information? Why the smaller diameter disks?
 
   / HuchMaster RPN Offset Disk #2  
By trailing edge do you mean the outer most blade? If yes some manufactures use a smaller disc to reduce the size of furrow or ridge created by last disc for smoother finish on the field.
 
   / HuchMaster RPN Offset Disk #3  
By trailing edge do you mean the outer most blade? If yes some manufactures use a smaller disc to reduce the size of furrow or ridge created by last disc for smoother finish on the field.
Also if anyone ever rebuilt the disc they probably took the two best disc pans and put them on as the furrow filler disc. At least that is what I have always done everytime I have rebuilt a harrow, so the worn older disc will naturally be smaller than the new.
 
Last edited:
   / HuchMaster RPN Offset Disk
  • Thread Starter
#4  
I was hoping somebody had one of these discs.

On the rear gang, the trailing edge has 3 smaller disks and the end one is a half disk, supposed to feather instead of windrow. On the front gang, the leading edge, I have found I am going to need a bearing and 3 disks. It has a 70mm (1 3/4) axel. Where might I find them? I am going to call Will-Rich in ND.
 
 

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