Komatsu D155 Excavator Idler Suppliers

GFM specializes in manufacturing parts for excavators and bulldozers, with years of industry experience, making us a trusted choice among excavator idler suppliers. Our Komatsu D155 Excavator Idler is made from premium alloy steel, forged and heat-treated with precision to ensure excellent wear resistance and high load-bearing capacity.

• Superior materials ensure high load-bearing capacity: GFM’s Komatsu D155 excavator idler uses high-hardness alloy steel, precision forging and multiple heat treatment processes to ensure that each roller is not easily deformed or cracked under long-term heavy-duty operation. The material hardness reaches HRC55-60, effectively improving wear resistance and service life, allowing your excavator to maintain stable performance even in high-intensity construction environments.
• Precision Machining Enhances Fit: The core components of the idler roller undergo precision turning and gear hobbing, with diameter and thickness tolerances strictly controlled within ±0.05mm. This high-precision machining ensures a perfect match between the idler roller and the tracks, reducing friction and vibration, making the front idler excavator run more smoothly during operation and extending the overall machine lifespan.
• Advanced Ball Bearing Design: The idler roller adopts a double ball bearing structure, reducing rolling resistance and improving rotational flexibility. The bearings have strong sealing properties, effectively preventing dust and sand from entering the bearing interior, thereby reducing friction and wear. This design not only enhances the durability of the idler roller but also allows the excavator to maintain high efficiency and stability when operating in complex terrain.
• Micro-curved surface optimizes friction: The outer rim of the idler roller features a micro-curved design, reducing friction between the track and the roller contact surface, lowering noise, and improving overall machine operating comfort. This is ideal for long-term earthmoving, mining, or construction site operations.
• Rigorous quality testing ensures reliability: Each Komatsu D155 Excavator Idler undergoes abrasion resistance testing, load cycle testing, and dimensional inspection before leaving the factory, simulating long-term operating environments under complex conditions. GFM’s quality control system complies with ISO9001 standards, ensuring that every idler roller can withstand high-intensity construction tests, providing customers with reliable excavator idler supplier services.

Product Description

• MOQ: 1 PC
• Payment Method: T/T
• Brand: GFM
• Condition: New
• Color: Yellow, Black or Customized
• Lead Time: 30 days
• Warranty: 1 Year
• Service: OEM or ODM
• Place of Origin: Fujian, China
• Application: Excavator
• Packing: Standard Export Wooden Pallet

Features

• Durable:Built to withstand tough conditions for long-lasting performance.
• Perfect Fit: Designed for easy installation on various excavator and bulldozer models.
• Heavy Duty: Supports heavy loads for smooth and stable operation.
• Smooth & Quiet: Minimizes vibration for smoother movement and improved traction on all terrains.
• Low Maintenance: Self-lubricating for less upkeep and more uptime.
• Weather-Resistant: Performs well in any climate, resistant to rust and extreme temperatures.

Specifications

Product Models

Production Process

From design to delivery, every process link of our products is strictly controlled to ensure product stability and durability. The following is an introduction to the basic process flow:

• Material refining
  Select high-strength bearing steel, and improve the purity of the metal through refining, deoxidation and electroslag remelting processes
  The chemical composition of the material is stable and can effectively resist fatigue cracks and impact loads
• CNC machining
  In the rough machining stage, a high-power CNC milling machine is used to quickly shape the blank and strictly control the allowance
  In the fine machining stage, a multi-axis linkage CNC lathe and grinder are used to ensure the dimensional accuracy of the outer circle, inner hole and tooth surface
• Heat treatment strengthening
  The segmented quenching + low-temperature tempering process is adopted, and the hardness is uniform, with high wear resistance and toughness
  Accurately monitor the quenching temperature and holding time to ensure that the internal structure of the parts is stable and crack-free
• Surface treatment
  Shot peening, phosphating, nitriding and other processes can be selected according to customer needs to further improve fatigue resistance
  Under special working conditions, an environmentally friendly high-temperature resistant coating is provided to delay wear and corrosion
• Strict testing and packaging
  Comprehensive use of three-coordinate measuring instruments, roundness meters and hardness testers to ensure that key dimensions and mechanical properties meet the standards
  Dust-proof and moisture-proof packaging, and customized packaging solutions can be provided according to the mode of transportation

Packaging and Shipping

Factory Advantages

GFM is a leading manufacturer of excavator parts, specializing in high-quality excavator idler suppliers, with extensive experience, advanced equipment, and a rigorous quality control system.

• Extensive Manufacturing Experience: Since 2011, GFM has focused on the research and development and production of excavator and bulldozer parts, accumulating over ten years of professional manufacturing experience. Our engineering team deeply understands the key performance requirements of each roller on different machine models and can provide precise product solutions based on customer needs.
• Advanced Production Equipment: The factory is equipped with multiple high-precision CNC lathes, gear hobbing machines, and heat treatment equipment, enabling it to complete the entire production process from steel forging and machining to surface treatment. Equipment precision reaches the micron level, ensuring that the dimensions, hardness, and tolerances of each roller strictly meet design standards.
• Strict Quality Control: GFM implements a comprehensive quality inspection system, with dedicated quality inspectors monitoring every step from raw material inspection and semi-finished product testing to finished product delivery. All products undergo wear resistance, load, and lifespan tests to ensure that every roller delivered to customers is stable and reliable.
• Customer Support and Service: In addition to producing high-quality Komatsu D155 rollers, we also provide professional consultation and after-sales support to help customers select suitable front idler excavator products to achieve optimal equipment performance. Meanwhile, GFM supports regular bulk supply, ensuring a stable and worry-free supply of components for long-term cooperative customers.

The Komatsu D155 Excavator Idler is a high-quality component manufactured with rigorous processes, ensuring reliability, durability, and wide applicability. Whether you are an earthmoving contractor or a mining equipment operator, you can rely on our roller products to enhance the stability and operational efficiency of your excavators. Contact GFM to experience the superior performance of professional excavator components.