Nitto Trail Grappler 37x12.5-17LT

Anyone using these on their 2500/3500 4x4? Is so, how do you like them,...being a load range D.
Thanks

37x12.50R17LT Nitto Trail Grappler

Size: 37x12.50R17LT
Outer Diameter: 36.85"
Load Index: 124
Load Range: D
Speed Rating: Q
Max. Load: 3525 @50psi
Approved Rim Widths: 8.50" - 11.00"
Type: Mud
Warranty: Manufacturers Material/Workmanship - No Mileage Warranty