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Kyotechs Caterpillar Hydraulic Pump Supply and Return Lines

Durable, precision-fit supply and return lines for Caterpillar hydraulic pumps from Kyotechs. Designed for reliable flow, easy installation, and long service life. Backed by one-stop hydraulic repair support.
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KYOTECHS
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Product Description

Product Overview

Kyotechs Caterpillar hydraulic pump supply and return lines are engineered to ensure stable oil flow and long-term reliability for excavators. Manufactured with high-grade materials and precise fittings, these lines minimize leakage and improve hydraulic performance for heavy-duty applications.

Key Features & Benefits

  • Durable construction: Reinforced hoses and corrosion-resistant fittings extend service life.
  • Precision fit: Designed to match Caterpillar pump ports for leak-free connections and optimal flow.
  • Improved performance: Smooth internal surfaces reduce turbulence and maintain steady pressure.
  • Easy installation: Pre-formed bends and clear end fittings simplify replacement and reduce downtime.
  • Reliable sealing: High-quality seals and crimping prevent fluid loss and contamination.

Compatibility & Applications

These supply and return lines are compatible with a wide range of Caterpillar hydraulic pump models used in excavators and heavy machinery. Ideal for maintenance, emergency replacement, and upgrades on job sites, Kyotechs lines suit both field repairs and shop overhauls.

Why Choose Kyotechs

Established in 2009, Kyotechs offers a full range of excavator parts for brands such as Hitachi, Sany, Kawasaki, Volvo, Hyundai, Doosan, Komatsu, Caterpillar, Case, and Kobelco. We provide one-stop solutions for excavator software, engine repair, and hydraulic repair. Choosing Kyotechs means getting parts tested for fit and durability, clear product support, and fast shipment.

Installation & Support

Our supply includes simple installation guidance and access to technical support. For best results, replace both supply and return lines together, inspect fittings and seals, and purge air from the hydraulic system after installation. Kyotechs also offers repair kits and related hydraulic components for complete system service.

Value Proposition

Investing in Kyotechs Caterpillar hydraulic pump lines reduces breakdown risk, lowers maintenance time, and protects expensive pump components. If you want dependable hydraulic flow and long-term peace of mind, choose Kyotechs.

Product Images

  • 500-3272 Hydraulic Pump
  • 500-3272 Hydraulic Pump
  • 500-3272 Hydraulic Pump

Advantages

  1. One-Stop Engine Repair Solution

    Kyotechs presents a comprehensive "One-Stop Engine Repair Solution" designed to address a variety of engine repair needs. 

  2. Comprehensive Solutions

    Covering a wide array of brands makes us a one-stop solution for clients, offering a comprehensive range of components for various types of machinery, which can be a significant competitive advantage.

  3. Tailored Services

    We prioritize providing professional services, ensuring that our clients receive personalized attention and support, contributing to a positive and efficient business relationship.

  4. One-Stop Hydraulic Repair Solution

    Kyotechs presents a comprehensive "One-Stop Hydraulic Repair Solution," equipped with a professional hydraulic maintenance team and cutting-edge testing machines. 

Our Certifications

  • SANY Power

    SANY Power

  • HANDOK Hydraulic

    HANDOK Hydraulic

  • Perkins

    Perkins

Q&A

How to check the hydraulic oil level?

Park the excavator on a flat ground, turn off the engine and wait for a while, then check the hydraulic oil level through the oil level gauge of the hydraulic oil tank.

What liquid should be added to the battery (battery) used normally in the excavator after the liquid level drops? Why?

Distilled water should be added. Because the battery will generate heat during the charging and discharging process, the water will evaporate, and the specific gravity of the electrolyte will increase. After adding distilled water, the specific gravity of the electrolyte can be restored.

How to ensure the excavator starts normally after long-term storage?

Before long-term storage, perform a thorough inspection and maintenance, drain fuel and hydraulic oil, lubricate all parts, start the engine periodically to run the system, and ensure all systems operate correctly.

Which oil level is the most suitable for the oil cylinder?

There are usually the highest and lowest oil level marks (MAX and MIN) on the inner wall of the oil filling port of each engine. This means that the oil level cannot exceed MAX or be lower than MIN.

 

A lower oil level, that is, a decrease in the amount of oil in the engine, will increase the oil load, causing the oil to become more seriously contaminated by heat, which not only weakens the lubrication performance, but also increases the fuel consumption. Because the less oil in the engine, the higher the oil temperature; and the higher the oil temperature, the greater the fuel consumption will be as the oil temperature rises. It is very dangerous to run the engine when the oil level is at the lowest point (MIN).

 

Keeping the oil level at the highest point (MAX) all the time will cause the oil to foam and lead to insufficient lubrication, resulting in serious wear. Foaming oil will also increase fuel consumption.

 

Therefore, it is recommended to keep the engine oil level between the MAX and MIN marks at a position close to one-third of the MAX.

If you don’t find your answer, please E-mail us and we’ll be happy to help you out.

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