OTR E7 Heatmaster FEATURES AND BENEFITS Enhanced controllability Upgraded load durability All season performance OVERVIEW The OTR E7 Heatmaster is an all season tire made for industrial vehicles. The all season performance is ensured with the ideal tread design and the all season compound. The tread design and the all season compound boost dry, wet, and winter-weather grip on the road surface. The tread's siping and notch placement firmly grips the road surface with extra biting edges, while the