Ramp offers to buy: Bucket Hydraulic Cylinder 4478057 / 4478058 for Hitachi EX1900-5 / EX1900-6

✅ In stock – order now

📄 Product Description:

OEM-quality bucket hydraulic cylinder designed for Hitachi EX1900-5 and EX1900-6 mining excavators using references 4478057 and 4478058. Delivered as a complete, ready-to-install high-pressure cylinder assembly, this unit provides extreme digging force, smooth hydraulic actuation, stable bucket control, and long service life under the toughest mining and overburden removal conditions. Ideal replacement for worn, cracked, or leaking bucket cylinders in Hitachi EX1900-series heavy mining equipment.

🔧 Compatibility (Applications):

Compatible Machines:

• Hitachi EX1900-5 Mining Excavator

• Hitachi EX1900-6 Mining Excavator

• Other EX1900-series variants using cylinder 4478057 / 4478058 (market-dependent)

Part Numbers: 4478057, 4478058

Function: Bucket Hydraulic Cylinder

Application: Ultra-heavy-duty mining excavators, bucket lift & dig hydraulics.

🔁 Cross-reference / Part Numbers:

4478057, 4478058 and equivalent OEM hydraulic cylinder references for Hitachi EX1900-series machines.

🛠 Specifications:

• Manufacturer: OEM / Hitachi-approved supplier

• Type: High-pressure mining-class hydraulic cylinder

• Design: Large-bore piston with hardened rod

• Pressure Rating: Extreme-load mining specification

• Condition: New / Replacement

Components Included:

• Complete hydraulic cylinder assembly

• OEM-spec rod, piston, seals, and end caps

• Precision-machined mounting interfaces

Packaging: Export-grade reinforced wooden crate

Warranty: Manufacturer’s limited warranty

⭐️ Key Features:

• Genuine-spec Hitachi 4478057 / 4478058 bucket cylinder

• Massive digging force and smooth hydraulic response

• Built for the harshest mining and quarry conditions

• Direct-fit installation for EX1900-5 / EX1900-6

• Factory-tested to meet Hitachi OEM performance standards