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   This article focuses on the main hydraulic pump, a core component of excavators. It details the main pump’s role and significance in excavators, summarizes factors that pose threats to it, compares the cost-effectiveness of main pump types across domestic and foreign excavator brands, provides practical maintenance guidelines, and concludes with key insights—helping readers fully understand and effectively manage the excavator’s main hydraulic pump.

   Did your excavator get stuck on the construction site during the rainy season in southern China, costing you $700 in towing fees and delaying the project by 3 days? When doing municipal repairs in the city, did your tracked excavator damage the road surface (leading to compensation) and force you to wait for a flatbed truck to move it between sites? Stop losing money due to poor excavator selection!

   Now, we’ll help you solve this problem once and for all: from complex mountainous terrain to narrow urban alleys, from heavy-duty mining operations to scattered tasks across multiple sites, we’ll teach you how to match tracked and wheeled excavators to the right scenarios. We’ll also break down the "core advantages" of four popular models: Caterpillar 349 GC, Komatsu PC360LC, Hitachi ZX170W, and Volvo EWR170E. In just 3 minutes, you’ll not only avoid pitfalls like getting stuck, rework, and high maintenance costs but also directly identify the "cost-effective and efficient option" that best fits your construction site!

   Hosted by China Foreign Trade Center (Group) Co., Ltd., GICE 2025 runs from June 27-29, 2025 at Guangzhou Poly World Trade Expo Center, themed "Intelligent Driven Engineering · Green Create Future".

   It gathers over 300 domestic and overseas brands, launching new equipment like AI excavators and electric mining trucks. Key highlights include the "Intelligent Construction Experience Hall" with AR simulation and digital twin demos, the "Green Low-Carbon Zone" for zero-carbon equipment test drives, over 200 matching activities, and family-friendly interactive events.

   When we talk about "left-hand drive (LHD) and right-hand drive (RHD)", cars are usually the first thing that comes to mind. But did you know that excavators commonly seen on construction sites also come in LHD and RHD versions?

   This article is specifically for beginners — it will clearly explain which countries use LHD or RHD excavators, what reliable brands are available, and what differences exist in their designs. It will also take China's Sany Heavy Industry (for LHD) and Japan's Kobelco (for RHD) as examples to teach you how to operate them. Complex jargon is avoided throughout, and every professional term will be explained clearly. After reading this, you can easily understand the ins and outs of "LHD and RHD" for excavators!