The Estes grates have a bump of some sort,
Much less than the Disruptors.

I see now,John Deere does have a heavy duty grate.
With interrupters bolted in.

(IMG_0457 (full).png)

(IMG_0458 (full).png)

IMG_0457 (full).png (69KB - 78 downloads)

IMG_0458 (full).png (104KB - 79 downloads)