for Hitachi ZX870-3 Hydraulic Main Pump K3V280 | Heavy-Duty Excavator Hydraulic Pump Assembly for Mining and Construction Machinery

This for Hitachi ZX870-3 hydraulic main pump (model K3V280) is engineered to deliver maximum hydraulic power and reliability for large excavators working in demanding mining and construction environments.
It provides high-pressure output, smooth oil flow, and efficient power transmission to ensure stable operation of the boom, arm, and swing systems even under extreme conditions.

The pump is made from premium-grade forged steel and manufactured using advanced CNC machining for precise assembly and superior durability.
Internal components such as pistons, valve plates, and seals are treated with anti-friction coatings, ensuring minimal wear, low noise, and long-lasting performance.

Each K3V280 hydraulic pump undergoes strict hydraulic flow and pressure testing before shipment to ensure OEM-level reliability and performance.
It is a direct-fit replacement for Hitachi ZX870-3 excavators, offering perfect compatibility without any modification required.

🔧 Technical Features

• Compatible with Hitachi ZX870-3 hydraulic excavator

• Pump model: K3V280

• Heavy-duty high-pressure design for mining and construction

• Excellent sealing system prevents oil leakage under continuous operation

• Reinforced pistons and housing for extended durability

• Smooth operation with minimal vibration and noise

• Fully performance-tested before delivery

🏗️ Applications

• Hitachi ZX870-3 series excavators

• Open-pit mining, quarrying, and large-scale construction projects

• Ideal for equipment overhaul, OEM replacement, or fleet maintenance

📦 Quality & Delivery

• 100% tested for flow, pressure, and displacement before shipment

• Export wooden crate packaging with moisture and impact protection

• ISO/CE certified production and quality management

• 6–12 months warranty under normal working conditions

• Fast international delivery with stable stock availability