Pompe hydraulique Kawasaki K3V112DTP-1H9R 31Q7-10020 pour excavateur Hyundai R15, R225 ,R265 ,R275-9
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Coordonnées du vendeur
+86 189 289...
+86 189 2896 5241
Chine
Product Brief
This OEM‑spec variable axial piston pump 31Q7‑10020 K3V112DTP‑1H9R serves as the core hydraulic power source for Hyundai 9‑series medium‑large excavators covering R15, R225, R265, R275‑9. It converts engine torque into adjustable high‑pressure hydraulic flow to handle heavy‑duty earthmoving, rock loading, trench excavation and multi‑joint compound movements under mining, quarry and infrastructure construction scenarios. This replacement pump is widely sourced by overseas maintenance workshops, equipment leasing firms and cross‑border spare‑part wholesalers for direct pump swap and full hydraulic system refurbishment of Hyundai 9‑series fleets.
Subjected to long‑term heavy load impact, hydraulic oil contamination and frequent pressure fluctuation on harsh construction sites, the original pump will gradually suffer cylinder block scuffing, piston shoe erosion, valve plate wear and elevated internal leakage. Typical equipment failure manifestations include weak digging output, sluggish combined motions, insufficient traveling power, continuous hydraulic oil overheating, obvious pump vibration and knocking noise under digging load. Once the main pump fails abruptly, the whole machine will stop operation and trigger extra repair costs and project delay losses for equipment operators.
Our OEM replacement pump strictly follows original drawing standards for mounting hole layout, input shaft spline, oil port position and regulator pressure preset parameters. No cutting, drilling or extra adapter modification is needed during on‑site installation, greatly shortening machine downtime. Compared with high‑priced genuine units with long lead‑time, this hydraulic pump delivers stable field performance and satisfies bulk‑order procurement requirements for global dealers focusing on Hyundai 9‑series excavator spare parts.
Unique Product Competitive Advantages
1. High‑precision dimensional compatibility matching original Hyundai 9‑series hydraulic assembly
Manufactured according to OEM technical specifications, this main pump keeps fully consistent shaft spline parameters, mounting footprint and regulator installation interface. Precisely processed friction pairs effectively control internal leakage after assembly. Maintenance technicians can complete pump replacement directly without secondary field machining, improving repair efficiency for heavy‑duty machine overhaul and used‑equipment refurbishment projects.
2. Reinforced friction‑pair craftsmanship adapted to heavy‑load working environment
Numerous low‑cost substitute pumps experience rapid performance attenuation when cooperating with aged hydraulic systems carrying tiny impurity particles. Our core internal friction components adopt optimized heat‑treatment plus multi‑process fine‑lapping technology, lifting anti‑wear and anti‑pressure‑shock performance, lowering pump replacement frequency for Hyundai R225, R265, R275‑9 machines operating in rock‑quarry and high‑intensity earth‑moving sites.
3. Comprehensive bench performance verification before shipment
Each finished hydraulic pump undergoes pressure endurance test, flow calibration and sealing leakage inspection on dedicated hydraulic test bench before packing. Potential defective products are screened out in factory, decreasing re‑work risks for repair teams and avoiding sudden construction‑site shutdown caused by pump breakdown.
4. Cost‑effective OEM alternative for heavy‑duty fleet management
Genuine OEM hydraulic pumps for Hyundai 9‑series excavators come with high purchase expense and unstable stock availability. Our factory‑supplied OEM‑replacement pump balances reliable operating stability and competitive cost, helping machinery owners and service shops control overall overhaul expenditure for medium‑large Hyundai excavator fleets.
5. Flexible logistics solutions for bulk‑purchase merchants
In‑stock items support prompt shipment upon payment confirmation. Air freight is available for urgent breakdown repair orders; sea consolidation and full‑container transport options help global bulk importers cut comprehensive logistics expenditure.
Factory Production Strength
Our production base specializes in R&D and mass production of OEM‑replacement hydraulic components for Korean‑brand excavators, including main hydraulic pumps, travel gearboxes and swing motors. We possess complete production workflows: alloy‑steel forging, precision grinding, professional heat‑treatment and finished‑product hydraulic bench validation. Simulated heavy‑load working tests are carried out to verify component durability matching real‑world quarry and infrastructure construction conditions. Our spare parts are exported to multiple overseas regions and maintain long‑term stable partnerships with global construction‑machinery spare‑part wholesalers.
Frequently Asked Customer Questions
Q1: Can this 31Q7‑10020 K3V112DTP‑1H9R hydraulic pump fit other Hyundai excavator models?
A1: Cross‑model installation is not advised. Different pump assemblies differ in shaft spline, regulator parameters and pressure calibration values. Please double‑confirm machine model and original part number before submitting orders.
Q2: What hydraulic malfunctions can this main pump resolve?
A2: It fixes failures triggered by internal‑component abrasion: insufficient digging force, slow compound movements, hydraulic oil overheating, internal leakage and abnormal pump vibration or knocking noise.
Q3: Is tiered discount available for large‑volume orders?
A3: Yes, preferential pricing is offered subject to purchasing quantity. Full‑container sea freight arrangement can be supported to reduce total logistics cost.
Q4: What about export‑grade packaging for long‑distance overseas transit?
A4: Anti‑rust grease is evenly coated on all metal working surfaces. The whole pump is wrapped with waterproof shock‑absorbing PE film, then secured inside reinforced export plywood case, protecting components against collision deformation and rust formation during long‑haul ocean transportation.