High-Quality Swing Gearbox for JS220LR Excavators by SPARKLING

   On September 20, 2025, we reached another important delivery milestone — 16 units of Coil products with model number 29101190 have successfully completed the shipment process to the Thai customer. From order confirmation to final delivery from the warehouse, the entire delivery process was efficient and smooth.

   Is your excavator’s engine lacking power, consuming more fuel, and emitting black smoke? Chances are its "breathing" is blocked! The air filter assembly is the "lung defense line" of an excavator. Composed of a pre-filter, main filter, safety filter, and air intake hose, it filters impurities to protect the engine. However, many operators forget to replace the filters or incorrectly install the hoses, leading to engine wear. This article explains the assembly’s structure, risk factors, brand comparisons, and maintenance methods in plain language—even beginners can understand it, ensuring the excavator "breathes smoothly"!

Check out the top excavator parts manufacturers of 2026. They've got high-quality parts, reliable OEM solutions, and durable spare components. This guide helps fleet managers, contractors, and distributors find trusted suppliers for all parts of an excavator worldwide.

   Does the excavator body tip backward when lifting the boom for loading, or the entire machine shake during slewing operations? Chances are the counterweight is causing the problem! As the "balance core" of the excavator, the counterweight consists of cast iron blocks, mounting bolts, and vibration pads. It offsets the overturning force at the front end with its weight—without it, the excavator can’t stand steady or work properly.