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The hydraulic pump is the "heart" of an excavator. It converts the engine's mechanical energy into hydraulic flow, providing the massive force needed to dig, swing, and travel across rugged terrain. Core Components and Types A high-performance pump typically consists of a cylinder block, pistons, a swash plate, and a valve plate. The most common type is the Axial Piston Pump (Variable Displacement...

Hydraulic components are essential to the functionality of an excavator. They transform mechanical power into hydraulic power, enabling various tasks such as digging, lifting, and rotating. The hydraulic system plays a crucial role in providing precise and powerful motion for the excavator’s key parts, making it an indispensable tool in construction and mining.   What are Excavator Hydr...

Cross-Reference Table Brand Machine Model Motor Series Key Components Komatsu PC200-7/8, PC220-7 KMF90, KMF125 Oil Seal, O-Rings, Backup Rings Hitachi ZX200, ZX210, ZX240 M2X120, M2X146 Shaft Seal, Casing Seal, Gaskets Caterpillar 320D, 320V2, 336D MFE160, MFE190 High-Pressure Seals, Piston Seals Kobelco SK200-8, SK210-8 M5X130, M5X180 Kawasaki Genuine Specs Seals Sany/XCMG SY215, XE215 M5X130CHB ...

Rito Engineering Machinery Equipment Co., Ltd.: Providing High-Performance and Reliable Hydraulic Components to Global Customers  High-Quality Excavator Hydraulic Parts  In the construction machinery industry, the hydraulic system is the "heart" of the machine. We specialize in providing a full range of excavator hydraulic solutions, focusing on Hitachi, Caterpillar (CAT), and Komatsu hy...

When your excavator loses performance, identifying the root cause quickly can save thousands in repair costs. Here is a professional checklist for the most common hydraulic issues. 1. Engine Stalling or Lugging  Symptom: The engine RPM drops significantly or stalls when hydraulic functions are engaged. Checklist: Main Relief Valve: Is the pressure set too high? (Exceeding factory specs). Pump...