I'm not familiar with these, but make sure you get all the brackets, etc. you need to hook it up. I think there's another piece of driveshaft.Thank you for your replies! I’m picking up to 60” today!
Just bring your tractor with you and mount it there.So, I missed some of your replies. I made a deal with the guy that he would refund me if it doesn’t fit. It turned out to be an RCK54P-23BX. We called the local dealer, but he couldn’t say one way or the other. The brackets look to be about the same. On both. We shall see…
Otherwise, that’s one expensive mistake!

I did receive the front link. I will double check to see if my tractor has the front bracket, though. I have help to move the thing around today, so I’ll report back how it goes. Thanks for the heads up!Here are the mower decks that will fit your BX2380. The last 2 with the "D" indicate "Drive-Over".
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This image shows the front link (red) and bracket (yellow) that you MUST have to connect the mower.
All other linkage should be on the tractor. If not you're screwed and have to call the dealer. All of it should be readily available.
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This would have been best, but alas, I don’t own a trailer for it yet.Just bring your tractor with you and mount it there.