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Kyotechs Hitachi Hydraulic Pump Pressure Specs & Benefits

Discover Kyotechs' Hitachi hydraulic pump pressure specifications, compatibility, and practical benefits. One-stop hydraulic repair solutions, reliable performance, and professional support for excavator fleets.
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Product Description

Kyotechs Hitachi Hydraulic Pump — Pressure Specs & Practical Value

Kyotechs, established in 2009, delivers high-quality excavator parts including Hitachi hydraulic pumps. Our pumps are designed to meet demanding jobsite needs while offering clear pressure specs, easy maintenance, and strong after-sales support.

Product Overview

Hitachi hydraulic pumps supplied by Kyotechs are rebuilt and new units tested to ensure consistent pressure control and smooth operation. They work across many Hitachi excavator models and are part of our one-stop hydraulic repair solution.

Key Pressure Specifications

  • Typical operating (system) pressure: 24–35 MPa (240–350 bar) — suitable for most Hitachi medium to large excavators.
  • Relief/maximum pressure setting: often set up to 35 MPa (350 bar) depending on model and application.
  • Standby/idle pressure: usually lower and adjusted per machine to reduce wear and fuel use.

These ranges are representative; exact values depend on the specific Hitachi model and hydraulic circuit. Kyotechs verifies and adjusts pressure settings during installation and repair to match manufacturer recommendations.

Why Choose Kyotechs

  • One-Stop Hydraulic Repair Solution — pressure testing, pump rebuilding, and on-site support.
  • Compatibility — parts for Hitachi and other major brands (Sany, Kawasaki, Volvo, Komatsu, Caterpillar, and more).
  • Reliability — pressure-tested units to reduce downtime and extend component life.
  • Clear communication — we explain pressure limits and maintenance steps in plain language.

Applications & Support

Our pumps are ideal for digging, lifting, and heavy-duty operating cycles. Kyotechs provides pressure checks, calibration, and replacement services so your machine runs safely and efficiently.

Warranty & After-Sales

Every Kyotechs pump includes testing certification and warranty options. We offer spare parts, seal kits, and technical guidance to keep pressure systems performing at their best.

Contact Kyotechs for precise Hitachi hydraulic pump pressure settings for your model and a tailored repair or replacement plan.

Picture Show

  • 9303249 YA00035147 ZX530LCH-5A ZX490LCH-5A ZX520LCH-5 (1)
  • 9303249 YA00035147 ZX530LCH-5A ZX490LCH-5A ZX520LCH-5 (6)
  • 9303249 YA00035147 ZX530LCH-5A ZX490LCH-5A ZX520LCH-5 (5)

Our Advantages

  1. Reliable Brands

    Kyotechs dealing with reputable brands in the industry signifies our commitment to offering reliable and top-notch products, instilling confidence in our customers regarding the quality of the components they purchase.

  2. Tailored Services

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

  3. One-Stop Engine Repair Solution

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

  4. Expertise In Engine Components

    Focusing on engine components adds a layer of specialization, making us a go-to source for clients seeking high-quality parts specifically for engines.

Qualification Certificate

  • ISUZU

    ISUZU

  • SANY Power

    SANY Power

  • Cummins

    Cummins

FAQ

Why is it difficult to start an excavator in winter?

1.The climate is cold in winter, the ambient temperature is low, the viscosity of the engine oil increases, and the friction resistance of each moving part increases, which reduces the starting speed and makes it difficult to start.

 

2.The battery capacity decreases as the temperature drops, which further reduces the starting speed.

 

3.Due to the reduction in starting speed, the leakage of compressed air increases, and the heat dissipation of the cylinder wall increases, which greatly reduces the temperature and pressure of the air at the end of compression, and increases the delay period of diesel ignition. In severe cases, it may even fail to burn.

 

4.The viscosity of diesel at low temperatures increases, which reduces the injection speed. In addition, the swirl speed, temperature and pressure of the air at the end of compression are relatively low, which makes the atomization quality of the diesel injected into the cylinder poor, making it difficult to quickly form a good combustible gas with the air and ignite and burn in time, or even fail to ignite, resulting in difficulty in starting.

How to prevent hydraulic pump wear?

The way to prevent wear includes regular maintenance, using the right hydraulic oil, keeping the hydraulic system clean, and avoiding overload operation.

How to check and adjust the track tension?

Check the tightness of the track through the tensioner and adjust it if necessary to ensure the normal operation of the track.

What kind of battery is used in the excavator? Why?

The batteries we use are all lead-acid batteries for starting. Because this type of battery has the characteristics of large starting current and can meet the power supply requirements of the starter motor.

If you have another questions, please feel free to contact us.

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Guangzhou Kyotechs machinery Equipment Co., Ltd
311 Room, No.268 East Zhongshan avenue, Huangpu district, Guangzhou, China
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