New Komatsu D20 D21 steering brake band -6, -7, or -8

What are the dimensions JiNan Hope Hydraulic Co., Itd of a New Komatsu D20 D21 steering brake band -6, -7, or -8? Komatsu Hydraulic Pump Bearings Category 0.0 Inventory Manufacturing Service . Get Your Free, Instant Quote‎！