Product Specification

Komatsu Excavator PC800 OEM Heat Treatment Undercarriage Spare Parts Forge Steel Front Idler Group

1. What is a Idler?

    The CHT idler boasts exceptional durability and safety, backed by advanced design and precision manufacturing. Its keyed joint between idler and axle widens the bearing contact area, enhances torque transmission, and aligns the idler’s lifespan with other undercarriage components—avoiding uneven wear—while the axle’s rotation inside fixed bearings reduces friction, further extending the track system’s service life.

    It’s manufactured via either alkali phenolic resin sand casting or sodium silicate-bonded sand casting—processes ideal for crafting heavy-duty parts that are robust and dimensionally stable. After specialized heat treatment, it achieves HRC 48–58 surface hardness and a 4–6mm hardened layer (HRC 45), equipping it with strong impact and wear resistance for harsh mining or construction sites.

    Final finishing on a CK5110 large-scale CNC vertical lathe guarantees precise dimensional accuracy and smooth surface finish, enabling seamless assembly. The extended track life cuts down on replacements, reducing workers’ exposure to safety hazards during maintenance—tying the idler’s long-lasting performance to enhanced workplace safety. 

2. Idler Characteristic

2.1 Tech-Driven Durability: Built to Outlast

• 50% lower bearing pressure: Slashes bearing load sharply, doubling component lifespan at the source. It eliminates the hassle of frequent replacements and cuts unplanned downtime from part swaps.

• Splined idler-shaft connection: Aligns the idler’s lifespan with other key undercarriage components, stopping uneven wear that would shorten overall system life and boosting long-term reliability.

• Heavy-duty rock guard: Serves as a tough barrier against dirt, rubble, and debris, protecting vulnerable parts from damage in dusty, gravelly mining/construction sites—avoiding costly repairs and premature part breakdowns.

2.2 Efficiency-Focused Design: Minimize Downtime

• Detachable bushed bearing blocks: Allow fast removal and servicing—no need to take apart the track. This cuts maintenance time by 40%, speeding up repairs and getting equipment back online quicker.
• Dedicated lubrication injectors: Deliver precise lubrication to high-wear areas, preventing friction-related failures that trigger unexpected downtime. This keeps daily operations steady and on track.
• Expanded bearing surface + optimized oil flow: Boosts track stability and responsiveness, ensuring steady performance even in rough, uneven mining sites—where consistent operation is vital for meeting output goals.

2.3 Cost-Smart Engineering: Lower TCO

• Rotating shaft + stationary bushings: Lowers contact friction and wear, reducing profit-draining unplanned stoppages that disrupt production flow and add hidden expenses.
• Prolonged track life: Cuts total operational costs by reducing downtime losses and part replacement frequency, delivering long-term savings for mining operations.
• 50% less bearing stress: Directly means fewer bearing failures, slashing both parts purchasing costs and repair-related labor expenses—lowering overall total cost of ownership.

3. Design/Structure/Main Dimensions of Installation

 
 
4. Production Processes
 

 
5. Hot Sale Products
 

 The table lists only a limited number of models; please consult our staff for more product models.

6. Our Advantages
 

• 6.1 World-class quality

• 6.2 Factory sale directly with reasonable price

• 6.3 35 years' experience in Excavator & Bulldozer spare parts manufacturing

• 6.4 Fast delivery within 30 days after contract established

• 6.5 Professional sales team, quality inspection and report, maritime logistics guidance

• 6.6 After-sale services: video technical support, 24h online support

Are you still troubled by lacking of quality excavator idler? YinTai Parts is one of the professional manufacturers and suppliers of excavator idler in China, who has high quality products for sale. With over 30 years experience and wide expertise, we can assure you the high quality and good performance of our products.