Mining Grade Excavator Hydraulic Cylinder High Pressure Bucket Cylinder Assembly For Hitachi EX8000‑6

Heavy‑duty mining grade hydraulic cylinder assemblies with OEM part numbers 4629588 (arm cylinder) and 4629592 (bucket cylinder), designed for Hitachi EX8000‑6 large mining excavator heavy‑load operation.

Key Features

1. Standard OEM part numbers 4629588 (Arm Cylinder), 4629592 (Bucket Cylinder), exact match for Hitachi EX8000‑6 mining excavator
2. Mining‑grade super‑thick seamless cylinder tube, ultra‑hard thick chrome‑plated piston rod, anti‑wear, anti‑impact, corrosion‑resistant
3. Heavy‑duty high‑pressure hydraulic structure, super strong output force for open‑pit mining, rock breaking and heavy‑load digging
4. Complete internal components: piston, piston rod, heavy‑duty guide bushing, buffer ring, full high‑pressure oil seal kit pre‑installed
5. Strict OEM mounting dimensions, pin holes and oil port positions, direct bolt‑on replacement without modification
6. Multi‑stage buffer & heavy‑duty dust‑proof design, adapts to high‑dust, high‑impact open‑pit mining environments
7. Strict high‑pressure leakage & fatigue testing before shipment, stable performance and ultra‑long service life
8. Exclusively for large mining excavator hydraulic working system

Fitment Application

Specially designed for Hitachi EX8000‑6 ultra‑large mining excavator, widely used in open‑pit mines, large‑scale quarrying and heavy‑load mining engineering machinery overhaul.