The Rock Dawg® is a premium O.E. level product and is available in G-3/E-3/L-3 tires and features an aggressive rock service tread design. The G-3 (pictured above, left) grader tire offers fortified tapered tread for more even wear. The E-3/L-3 (pictured above, right) earthmover and loader tires offer a larger footprint and reinforced sidewall.