IROK - Radial

The Interco IROK is the direct result of many years of research and development by the off-road tire guru’s at Interco Tire.  Interco IROKs feature scooped lugs, blade and molded siping, special side-wall features, extra tough cord and cut resistant compounds, and have a distinctive, directional tread pattern that incorporates the legendary Interco patented Three Stage Lug (TSL) design.  IROKS delivers traction that’s as good as it can get in snow, mud, and on the rocks . 

 

Interco IROKs are D.O.T. approved tires and come in both bias ply and radial versions.  IROKs offer, an on road ride that is extremely smooth, and deliver lower than expected road noise for a tire this aggressive.  IROKs are both stylish and function.  IROKs are available in close to 50 combined various size combinations, including four (4) non-D.O.T. approved,  off-road and competition use only “Stickies” sizes.

Rim Diameter: 15

SKU Size Aspect Ratio Section Width Weight Tire Tread Width Tire Tread Depth Tread Ply Rating Side Wall Ply Side Wall Lettering Minimum Rim Width Maximum Rim Width O.D. C.S. Revs/Mile Max PSI Max Load D.O.T. Approved
ROK-01 36x13.5R15LT 36 13.5 81 11 21/32 6 2 BSW 10 10 36.00 13.5 598 35 2810 Yes
ROK-06 39.5x13.5R15LT 39.5 13.5 92 11 21/32 6 3 BSW 10 10 39.50 13.8 504 35 3475 Yes
ROK-20 37x12.5R15LT 37 12.5 80 11 21/32 6 2 BSW 9 11 36.90 13.4 574 35 2910 Yes

Rim Diameter: 16

SKU Size Aspect Ratio Section Width Weight Tire Tread Width Tire Tread Depth Tread Ply Rating Side Wall Ply Side Wall Lettering Minimum Rim Width Maximum Rim Width O.D. C.S. Revs/Mile Max PSI Max Load D.O.T. Approved
ROK-02 36x13.5R16LT 36 13.5 85 11 21/32 10 3 BSW 10 10 36.00 13.0 598 65 3800 Yes
ROK-07 39.5x13.5R16LT 39.5 13.5 96 11 21/32 10 3 BSW 10 10 39.50 13.8 504 65 4080 Yes
ROK-21 37x12.5R16LT 37 12.5 82 11 21/32 10 3 BSW 9 11 36.90 13.3 574 65 3640 Yes
ROK-27 41x14.5R16LT 41 14.5 101 12 20/32 8 3 BSW 12 12 41.00 14.2 464 50 3850 Yes

Rim Diameter: 16.5

SKU Size Aspect Ratio Section Width Weight Tire Tread Width Tire Tread Depth Tread Ply Rating Side Wall Ply Side Wall Lettering Minimum Rim Width Maximum Rim Width O.D. C.S. Revs/Mile Max PSI Max Load D.O.T. Approved
ROK-03 36x13.5R16.5LT 36 13.5 86 11 21/32 10 3 BSW 10 10 36.00 13.0 598 65 3700 Yes
ROK-08 39.5x13.5R16.5LT 39.5 13.5 97 11 21/32 10 3 BSW 10 10 39.50 13.8 504 65 4080 Yes
ROK-22 37x12.5R16.5LT 37 12.5 86 11 21/32 10 3 BSW 8 8 36.90 13.3 574 65 3970 Yes

Rim Diameter: 17

SKU Size Aspect Ratio Section Width Weight Tire Tread Width Tire Tread Depth Tread Ply Rating Side Wall Ply Side Wall Lettering Minimum Rim Width Maximum Rim Width O.D. C.S. Revs/Mile Max PSI Max Load D.O.T. Approved
ROK-04 36x13.5R17LT 36 13.5 84 lb 11 21/32 10 3 BSW 10 10 36.00 12.4 598 65 3600 Yes
ROK-09 39.5x13.5R17LT 39.5 13.5 99 11 21/32 10 3 BSW 10 10 39.50 13.3 504 65 4080 Yes
ROK-11 33x13.5R17LT 33 13.5 67 12 21/32 8 2 BSW 10 10 33.00 13.0 678 50 2675 Yes
ROK-14 35x14.5R17LT 35 14.5 81 lb 13 21/32 8 2 BSW 10 10 35.00 14.1 625 50 3195 Yes
ROK-23 37x12.5R17LT 37 12.5 83 11 21/32 10 3 BSW 9 11 36.90 13.1 574 65 3640 Yes
ROK-28 41x14.5R17LT 41 14.5 100 12 20/32 8 3 BSW 12 12 41.00 14.2 464 50 3850 Yes

Rim Diameter: 18

SKU Size Aspect Ratio Section Width Weight Tire Tread Width Tire Tread Depth Tread Ply Rating Side Wall Ply Side Wall Lettering Minimum Rim Width Maximum Rim Width O.D. C.S. Revs/Mile Max PSI Max Load D.O.T. Approved
ROK-12 33x13.5R18LT 33 13.5 64 11 21/32 10 3 BSW 10 10 33.00 12.8 678 50 2560 Yes
ROK-15 35x14.5R18LT 35 14.5 80 13 21/32 8 2 BSW 10 10 35.00 12.8 625 50 3100 Yes
ROK-24 41x14.5R18LT 41 14.5 96 12 19/32 8 2 BSW 10 12 40.80 13.9 469 50 3750 Yes

Rim Diameter: 20

SKU Size Aspect Ratio Section Width Weight Tire Tread Width Tire Tread Depth Tread Ply Rating Side Wall Ply Side Wall Lettering Minimum Rim Width Maximum Rim Width O.D. C.S. Revs/Mile Max PSI Max Load D.O.T. Approved
ROK-05 36x13.5R20LT 36 13.5 74 11 21/32 10 3 BSW 10 10 36.00 12.5 598 65 3200 Yes
ROK-10 39.5x13.5R20LT 39.5 13.5 87 11 21/32 10 3 BSW 10 10 39.50 12.8 504 65 4080 Yes
ROK-13 33x13.5R20LT 33 13.5 63 12 21/32 8 2 BSW 10 10 33.00 12.4 678 50 2510 Yes
ROK-16 35x14.5R20LT 35 14.5 78 13 21/32 8 2 BSW 10 10 35.10 12.8 622 50 2825 Yes
ROK-25 41x14.5R20LT 41 14.5 100 lb 12 19/32 8 2 BSW 12 12 40.90 15.0 492 50 3750 Yes

Rim Diameter: 22

SKU Size Aspect Ratio Section Width Weight Tire Tread Width Tire Tread Depth Tread Ply Rating Side Wall Ply Side Wall Lettering Minimum Rim Width Maximum Rim Width O.D. C.S. Revs/Mile Max PSI Max Load D.O.T. Approved
ROK-17 35x14.5R22LT 35 14.5 72 12 21/32 8 2 BSW 12 12 35.00 13.3 625 50 2500 Yes
ROK-26 41x14.5R22LT 41 14.5 95 13 20/32 8 2 BSW 12 12 40.90 13.9 467 50 3500 Yes

DISCLAIMER: Every effort has been made to verify the accuracy of the listed specifications. Interco Tire Corporation cannot be held responsible for any discrepancies and as such this information should be considered as approximate.  As much as we would like to help, we cannot and will not give advice on fitting our tires to any particular vehicle.  Ride height changes due to age and use does not allow for steadfast rules.  Your local retailer may be able to help by inspecting your vehicle first hand.  Tread and side wall patterns may vary by tire size.