K3V63 Hydraulic Pump for Excavator spare parts

Short Description:

The K3V63 hydraulic pump is a mainstream original plunger pump widely equipped on 12 to 15-ton medium-sized excavators, serving as the core power source of the entire hydraulic system.

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Product Detail

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description

The K3V63 hydraulic pump adopts an optimized integral swash plate variable displacement design, with high-precision internal plunger, cylinder block, valve plate and other core friction pairs. The overall structure is compact and reasonable, effectively solving the common pain points of traditional pumps such as poor wear resistance, easy heating and unstable pressure holding. The internal flow channel is optimized and polished to reduce hydraulic oil flow resistance, improve oil supply efficiency and realize sensitive compound action coordination. The main pump shell is made of high-strength cast iron with integral die-casting molding, which has strong compression resistance and impact resistance and can adapt to harsh working environments such as dust, mud and vibration on construction sites. All core components are precisely ground and strictly tested for fatigue and pressure resistance, with stable displacement and reliable pressure output. It can adapt to long-hour continuous operation of medium-sized excavators, effectively reducing failures such as high oil temperature, weak digging and walking weakness caused by aging of the main pump.

product parameters

Product Model: K3V63 Hydraulic Main Pump

Product Type: Swash Plate Variable Displacement Plunger Pump

Applicable Equipment: 12–15 Ton General Medium Excavators

Structural Features: Integral Casting Shell, High Precision Friction Pair, Sensitive Variable Adjustment, Heat Resistant & Wear Resistant

Core Material: High Strength Cast Iron + Wear-Resistant Alloy Core Components

Working Performance: Stable Pressure Holding, Low Heat Generation, Fast Response, Strong Anti-Fatigue Ability

Core Functions: Provide Stable Hydraulic Power, Support Full Machine Compound Actions, Improve Construction Efficiency

Applicable Scenarios: Municipal Engineering, Earthwork Backfilling, Foundation Excavation, Road Renovation, Rural Infrastructure

Matching Parts: Excavator Hydraulic Main Valve, Hydraulic Pipeline, Booster Pump, Pilot Valve Assembly

advantages

Stable Variable Displacement & Sensitive Response: The K3V63 main pump adopts optimized swash plate variable technology, with precise flow adjustment. It can automatically match power output according to load changes, ensuring smooth coordination of digging, slewing and traveling actions, effectively solving the problem of slow and jerky linkage of old equipment.
High Wear Resistance & Low Failure Rate: Core components such as plunger and valve plate are made of wear-resistant alloy materials with high-precision grinding process. The friction coefficient is low during operation, which can resist long-term high-frequency friction and pressure impact, avoiding pressure drop and power failure caused by internal wear of ordinary pumps.
Low Heat Generation & Strong Continuous Operation Ability: Optimized internal flow channel design reduces hydraulic resistance and oil temperature rise speed. It can maintain stable operation under long-time continuous working conditions, effectively solve high temperature failure of hydraulic system, and prevent machine power limitation caused by overheating protection.
High Structural Strength & Strong Environmental Adaptability: Integral cast iron pump body has strong compression and vibration resistance. It can adapt to complex working conditions such as dust, muddy water and frequent load switching on construction sites, and will not deform or leak oil due to external impact and vibration.
Standard Original Installation & Low Replacement Cost: Fully follow the original installation hole position and pipeline interface standards of 12–15 ton excavators, realizing plug-and-play replacement without cutting or modification. It greatly shortens maintenance time and reduces equipment downtime loss.

FAQ

Q1: What kind of excavators is the K3V63 hydraulic pump suitable for?
A: The K3V63 main pump is specially designed for 12–15 ton medium-sized excavators. It is a general mainstream model in the market and compatible with most conventional 12–15 ton construction machinery, widely used in various municipal and earthwork projects.
Q2: What are the typical failure signs that need to replace the K3V63 main pump?
A: When the excavator has insufficient digging force, slow overall action, walking weakness, obvious high oil temperature during operation, frequent hydraulic pressure drop, or unstable compound actions, it indicates that the original main pump is severely worn and needs to be replaced with a new K3V63 hydraulic pump in time.
Q3: Does the replacement of K3V63 main pump require professional modification?
A: No modification is required. This K3V63 hydraulic pump is produced in strict accordance with the original standard size, with consistent hole positions and interfaces. It supports direct replacement and installation, which is convenient for on-site maintenance and overhaul.
Q4: What is the main difference between genuine K3V63 pump and ordinary modified pumps?
A: The genuine K3V63 pump has precise variable adjustment, low wear degree and stable pressure holding, with low heat generation during long-term operation. Ordinary modified pumps are prone to rapid wear, high temperature and pressure loss, which will lead to reduced construction efficiency and frequent failures.
Q5: How to extend the service life of K3V63 hydraulic pump?
A: Regularly replace qualified hydraulic oil and oil filter elements, keep the hydraulic oil clean, avoid long-term overload operation, and regularly check the oil circuit for blockage and leakage. Standard maintenance can effectively delay the wear and aging of the main pump.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.