My Terra Grapplers are D range, as are many others. The specs are on nitto.com

 

i was only looking at trail grapplers which are E. I forgot to specify that in original post. Thanks

 

I have the Nitto Mud Grapplers 17 x 13.5 x 37 and love them on my 4 door rubi. I notice around 28psi is where I get the most even wear arcoss the tire, to mu and I do not even touch on the side lugs.

They grab the rocks so well when aired down to 8 psi.

Chido

 

how are the muds on the road?

 

I think they are pretty mild in the noise factor and they ride great.

Chido

 

I am running set of 35 X 12.5 trail graplers on 18 inch wheels and i love them . they are a great all around tire and quite too