Excavator Hydraulic Spare Parts 31N9‑10010 K3V180DT Hydraulic Main Pump, Hydraulic Piston Pump for Hyundai R335‑7 R340‑7 R450‑7 Excavator

Keywords: 31N9‑10010, K3V180DT hydraulic main pump, Hyundai R335‑7 main hydraulic pump, excavator hydraulic piston pump, heavy‑duty construction machinery hydraulic replacement pump

🔹Product Overview

This hydraulic main pump, part number 31N9‑10010, model K3V180DT, is the core power‑supply hydraulic component for Hyundai large‑size excavators. It delivers high‑pressure hydraulic oil to drive boom, arm, bucket and travel motor movements of the excavator. Our aftermarket main hydraulic pump is manufactured strictly according to OEM dimensional standards, with precision‑machined internal piston, swash plate and valve group components. Every pump has passed strict pressure‑resistance, leakage‑checking and performance bench testing. It is the perfect replacement spare‑part for hydraulic system overhaul, solving problems such as weak digging power, slow action, high noise and hydraulic oil leakage.

🔹Detailed Specifications

🔹Key Features & Advantages

✅ Exact OEM Installation Dimension Perfect flange, spline shaft and port position, direct fit without modification during installation.

✅ High‑Precision Internal Components Fine‑ground piston and cylinder block, low friction loss, stable output pressure.

✅ Heavy‑Duty Load‑bearing Performance Designed for long‑time heavy‑load working condition on construction sites, strong digging power output.

✅ Low Noise & Low Vibration Optimized internal flow‑distribution structure, effectively reduce abnormal pump noise during operation.

✅ Good Sealing Performance Premium‑quality sealing kits, prevent inner and outer hydraulic oil leakage.

✅ 100% Pre‑Shipment Bench‑Test Each hydraulic pump is fully tested for pressure, flow rate and leakage before shipment.

🔹Application Scope

Compatible with Hyundai excavator R335‑7, R340‑7, R450‑7. Widely applied in large construction, mining, earth‑moving and quarry‑site working environments.

🔹Our Company Advantage

We are a professional supplier of full‑series excavator hydraulic spare parts. We supply complete hydraulic components including main pumps, swing motors, travel motors, control valves and hydraulic cylinders for Hyundai, CAT, Komatsu and other well‑known excavator brands. Rich stock for Hyundai 7‑series large excavator hydraulic spare‑parts Competitive factory‑direct price Safe wooden‑case packaging for heavy hydraulic parts Support mixed‑container order for one‑stop spare‑parts purchasing Provide professional technical matching service for your part‑number inquiry

🔹Packaging & Shipping

Heavy‑duty shock‑proof wooden case for hydraulic main pump, protect shaft and oil ports against impact damage during transit Outer packing reinforced with steel straps for long‑distance sea transportation Support sea freight, air freight, international logistics for heavy cargo Complete export documents are available (Commercial Invoice, Packing List)

🔹Contact Us

If you need more hydraulic pumps or spare parts for Hyundai excavators, please send your parts list to us. We will provide you our best quotation promptly.