Wholesalers, agents and mine customers face unstable hydraulic power and frequent pump overhaul due to low-precision rear cylinder blocks, leading to high after-sales costs and site downtime. This 720774 rear cylinder block matches K3V112DT, K3V140 main pumps for mining and heavy construction equipment. Precision honed bores minimize piston abrasion, reduce maintenance frequency and all bulk orders come with full batch inspection documents.
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