Kawasaki K7V125DTP-OE3K-17T hydraulic pump for Kobelco SK200-10 midi excavator
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Product Overview
This variable‑displacement axial piston main pump is the core hydraulic power unit engineered for Kobelco SK200‑10 modern medium‑size crawler excavator. Converting engine torque into adjustable high‑pressure hydraulic flow, it supplies power for boom, arm, bucket, travel and swing hydraulic circuits to realize all digging, lifting and slewing movements. The SK200‑10 excavator is widely deployed in urban construction, foundation excavation, highway projects and quarry material loading sites. Under long‑duration heavy‑load operation, frequent compound actions and oil contaminated by fine solid particles, internal key assemblies including cylinder block, piston slipper group, valve plate and retainer will suffer gradual wear. Typical failure modes cover reduced digging output, sluggish implement response, continuously rising hydraulic oil temperature, abnormal rattling noise from pump housing and severe internal oil leakage. Manufactured according to original pump sample and technical parameters, this axial piston pump supports direct drop‑in replacement, restores the machine’s original operating performance, and prevents consequential damage to control valve, swing motor and other high‑cost hydraulic assemblies.
Core Advantages
1. High‑performance friction pair optimized for modern medium excavator working cycles
Critical contact components adopt premium alloy steel and go through precise quenching and tempering treatment. Improved surface hardness and toughness deliver strong anti‑wear capacity against fine abrasive impurities mixed in hydraulic oil. It maintains stable pressure and flow output under continuous heavy excavation, frequent combined movements and variable‑load working conditions typical of infrastructure construction sites.
2. Electronically tuned regulator matches original machine power‑flow characteristics
Built‑in power regulator is precisely debugged referencing OEM calibration data. It rationally allocates engine horsepower between travel drive and working attachments, cuts down overflow energy loss and restrains excessive system heat accumulation. Operators achieve smooth, responsive coordinated movements during digging, lifting and turning without obvious power drop or action stalling.
3. Full physical interchangeability minimizes field repair downtime
Mounting bolt layout, input spline dimension, inlet‑outlet oil port specification and regulator installation interface are fully consistent with original K7V125DTP‑OE3K‑17T pump. Field service technicians can complete on‑machine replacement without extra machining, welding or pipeline modification. It effectively reduces equipment stand‑still loss for repair shops, rental fleets and global spare‑part distributors.
4. Tightly controlled assembly clearance suppresses internal bypass leakage
Every mating part is processed by high‑precision grinding equipment. Assembly clearances are strictly kept within standard tolerance range. It greatly mitigates internal leakage inside pump body, resolves common defects such as insufficient digging force and slow cylinder movement, and extends the overhaul interval of the complete hydraulic system.
5. Cost‑effective reliable replacement for global aftermarket supply chain
Delivering dependable on‑site durability and competitive procurement cost, this main pump is well suited for Kobelco equipment owners, local maintenance garages and overseas spare‑part wholesalers. It offers solid component support for overhaul and repair projects of SK200‑10 excavator units.
Manufacturing & Quality Control
Our workshop specializes in production of main axial piston pumps for modern medium excavators. Complete quality assurance workflow includes raw material incoming verification, key dimension inspection, heat‑treatment hardness testing, sub‑assembly screening and finished‑product hydraulic bench test. Each finished pump undergoes pressure‑holding test, flow rate detection and noise check before shipment to screen out non‑conforming units. After professional anti‑rust preservation treatment, pumps are wrapped with shock‑absorbing cushion material and packed in export‑grade wooden cases, protecting products against impact deformation and moisture corrosion during long‑distance sea‑land cross‑border logistics. Sample trial order, small‑batch purchase and large‑volume bulk wholesale are all acceptable for worldwide buyers.
Frequently Asked Questions
Q1: What abnormal conditions indicate main pump inspection or replacement?
A: When your SK200‑10 excavator presents obviously weakened digging strength, slow boom‑bucket movement, persistent high hydraulic oil temperature and unusual rattling noise from pump compartment, and these issues cannot be eliminated by adjusting regulator or replacing filter elements, you need to inspect or replace the main hydraulic pump.
Q2: Can this K7V125DTP‑OE3K‑17T pump fit SK200‑10 directly?
A: It is designed as direct aftermarket replacement for SK200‑10 main pump assembly. Please verify your old pump part number and machine configuration before placing order; units from different production cycles may adopt different pump assemblies even for the same excavator model.
Q3: What essential operations should be carried out after hydraulic pump replacement?
A: Fully clean the hydraulic oil tank, renew all matched hydraulic filter elements and fill with hydraulic oil meeting Kobelco specification. Thoroughly bleed trapped air from hydraulic pipelines upon installation completion. Perform low‑speed no‑load running‑in first, then conduct progressive load test. Avoid heavy‑duty full‑load operation immediately after finishing pump installation.
Q4: Explanation for product warranty coverage
A: Our warranty applies to failures originating from raw‑material defects and manufacturing errors. Damage caused by hydraulic oil contamination, improper oil viscosity, foreign substance intrusion into pump interior, long‑term over‑load operation and incorrect installation procedure is excluded from warranty scope. Please execute overhaul work in accordance with Kobelco official service manual.