Need a specific part that is hard to find or obsolete? Growshine International offers comprehensive customization and development services for various non-standard spare parts, especially those related to the hydraulic components listed below, such as KOMATSU and REXROTH pump assemblies and internal components. Contact us with your specifications!

Finding reliable and cost-effective alternatives for genuine construction machinery parts is a critical factor in maintaining operational efficiency and controlling maintenance budgets. Growshine International (格莳国际), a leading expert in the import and export trade of engineering machinery parts, heavy-duty truck parts, agricultural machinery parts, and auto parts, specializes in sourcing and supplying high-quality Chinese replacements. We are your trusted partner for global parts sourcing, offering premium solutions for components like the KOMATSU Hydraulic Pump. Our commitment to quality ensures that our replacement parts for key models and major brands like KOMATSU, REXROTH, MITSUBISHI, and PERKINS meet rigorous performance standards.

The extensive list below details a wide range of hydraulic pump products, including popular KOMATSU excavator parts, dozer transmission parts, and wheel loader steering components. When searching for cost-effective loader pumps or durable excavator parts, knowing the exact Part Number is essential. We provide both the original formatted Part Number and the stripped version (without hyphens or spaces) to facilitate easier search and accurate identification of your required reliable machinery components. For example, the critical KOMATSU Part Number 705-51-30290 for the SD32/D155-5 is readily available through our network, offering superior value as a quality replacement part.

Our product range covers everything from industrial hydraulic systems to smaller, specialized components. Need a hydraulic pump for a KOMATSU PC200-6, look for 704-24-24420. Searching for REXROTH pumps? Check the extensive list for part numbers like 0510-625-028 or 0510-325-006. Growshine ensures that every part is a high-performance, cost-effective substitute. Explore our full range of aftermarket hydraulic pumps and other engineering machinery spares.

We also provide liquid hydraulic products (click to see more) and hydraulic pump related products (click to see more) on our dedicated websites. For those in need of Caterpillar alternatives, we have specialized offerings at Caterpillar products (click here). Furthermore, we are a key source for Garrett turbocharger list (click here) and KALMAR product list (click here), broadening our portfolio to serve all your heavy truck components and industrial needs. Our multiple platforms, including ar-excel.com, ampleresiliencesoft.com, cgsc66.com, cgsc-equip.com, en.xinsheng2024.com, and hi-part.cn, ensure comprehensive access to our inventory.

Expert Troubleshooting: KOMATSU PC200-8 Hydraulic System Issue

As a provider of excavator final drive parts and comprehensive engineering machinery parts, Growshine International offers support beyond just supply. A common issue we help customers resolve involves the KOMATSU PC200-8 excavator experiencing slow or weak operation across all hydraulic functions. This often points to a problem with the main hydraulic pump or its control system.

Fault Symptom: The machine is running, but the boom, arm, and bucket movements are significantly slower and weaker than normal, often accompanied by a distinct change in engine load noise when operating.

Possible Causes & Solution:

1. Low Primary Pump Pressure (PC Valve Issue): The main pump may not be reaching its maximum regulated pressure. Check the pump regulator's PC (Pressure Compensation) valve settings and signal pressure. A faulty solenoid or a block in the PC valve's oil passage can limit the pump's output flow.
2. Damaged Main Hydraulic Pump (e.g., KOMATSU 708-2L-00500): Internal wear, scoring, or a broken piston shoe within the main pump unit (such as a unit related to the 708-2L-00500 series) can cause significant internal leakage, leading to system pressure drop and flow loss.
3. Clogged Suction Filter/Strainer: Restricted oil flow to the main pump due to a heavily clogged suction filter will cause cavitation and poor performance.

Pro Tip: Always check the hydraulic system pressure using a gauge first. If the pressure is low, and the engine speed (RPM) is correct, a replacement pump assembly or a thorough service of the pump regulator (utilizing high-quality seals and components from Growshine International) is often required.

For reliable agricultural equipment parts, dozer transmission parts, VOLVO components, XCMG spares, or any of the hydraulic pumps listed with Part Numbers like 705-12-38000 or 0510-425-027, trust Growshine International for your import needs. We offer quality auto parts export services globally, ensuring you receive reliable machinery components at competitive prices.