Mining-Grade 4689080 4689081 Hydraulic Pump for Hitachi EX3600 Excavator High-Performance K3V280 Series

Power Your Mining Operations:
The 4689080 / 4689081 (YA00059245) is a heavy-duty hydraulic main pump assembly designed for the Hitachi EX3600 mining excavator. Engineered as a high-quality K3V280 series pump, it delivers the massive hydraulic flow and pressure required for large-scale excavation and continuous mining cycles.

Part Numbers: 4689080, 4689081, YA00059245

Model Compatibility: Hitachi EX3600 / EX3600-6

Pump Series: K3V280 Axial Piston Type

Core Benefit: Maximum volumetric efficiency with OEM-level durability at an aftermarket price point.

Guangzhou Tieqi Construction Machinery Co., Ltd. is your trusted manufacturer for mining-class hydraulic components, ensuring your fleet stays operational with minimal downtime.

The Hitachi EX3600 is a giant in the mining industry, and its hydraulic system demands a pump that can handle relentless stress. Our 4689080 / 4689081 Hydraulic Pump is manufactured to meet these exacting standards. As a leading aftermarket manufacturer, we focus on precision-ground internal components to ensure this K3V280 assembly provides smooth, powerful operation for your machine's primary functions.

• Part Number: 4689080 / 4689081 / YA00059245

• Model: Hitachi EX3600 Excavator

• Pump Type: K3V280 Hydraulic Axial Piston Pump

• Condition: Premium Aftermarket (New)

• Application: Main Hydraulic System / Mining Operations

• Optimized Power Transfer: Designed for high-pressure output to support the heavy lifting and digging forces of the EX3600.

• Mining-Ready Durability: Constructed with reinforced alloy housings and wear-resistant pistons to thrive in abrasive mining environments.

• Direct Interchangeability: 100% compatible with original Hitachi specifications for a hassle-free "drop-in" installation.

• Rigorous Bench Testing: Every K3V280 unit undergoes a full-load performance test to ensure zero defects and peak efficiency.

As a specialized manufacturer of Construction Machinery Aftermarket Parts, Guangzhou Tieqi Construction Machinery Co., Ltd. bridge the gap between expensive original parts and low-quality alternatives. We provide global logistics for mining sites and technical support to ensure your EX3600 maintains peak productivity.

Guangzhou Tieqi Engineering Machinery Co., Ltd. ("IRON CAVALRY")

Location & Overview: Strategically located in Guangzhou's Huangpu District, approximately an hour from Baiyun International Airport, Tieqi has been a dedicated specialist in engineering machinery hydraulics for nearly 15 years.

Our Core Values

Driven by our core values of "Pragmatism and Progress," we are committed to delivering practical solutions and upholding our responsibilities. This principle-driven approach defines all our operations and client partnerships.

Technical Leadership & Standards

In China's excavator hydraulic assembly sector, our efficient execution and rigorous approach to manufacturing every product to meet over 95% of original performance specifications have built widespread trust.

For large items, we use sturdy plywood crates secured with metal fasteners for added stability. Inside, the products are cushioned with bubble wrap and secured with wooden braces, while special attention is given to protecting vulnerable parts. Externally, the crates are reinforced with high-strength PET plastic strapping and wrapped in highly waterproof black film.