HEAVY DUTY PNEUMATIC TIRE

摘要

A heavy duty pneumatic tire comprises a tread portion 2 divided into shoulder land regions 11 and middle land regions 10. The shoulder land regions 11 comprise shoulder blocks 40. The middle land regions 10 comprise middle blocks 16. At least one of the shoulder blocks 40 and at least one of the middle blocks 16 are each divided by two splitting sipes 25 into a central block piece 30 and outside block pieces 31 on both sides thereof. Each outside block piece 31 of the middle blocks 16 is provided with a closed sipe 33. Each outside block piece 31 of the shoulder blocks 40 is provided with an open sipe 45.