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Komatsu D85 Bulldozer Front Idler Assembly - ISO9001 Certified

Categories Front Idler Assembly
Brand Name: YT
Model Number: D85
Place of Origin: China(Mainland)
MOQ: 1 PCS
Price: Negotiable
Payment Terms: L/C,T/T
Supply Ability: 10000 PCS/month
Delivery Time: 7-30 days
Packaging Details: Standard Export Packaging
Model NO.: D85
Application: Bulldozer
Condition: New
Technique: Forging /Casting
Type: Idler Wheel
Certification: ISO9001
Color: Black, Yellow
Production Capacity: 1000 Pieces /Month
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Komatsu D85 Bulldozer Front Idler Assembly - ISO9001 Certified

Komatsu Bulldozer Undercarriage Spare Parts Customized D85 Front Idler Assembly


1. What is a Idler?

The keyed joint connecting the idler to the axle provides an expanded bearing surface and enhanced torque transmission—this design not only boosts reliability but also synchronizes the idler’s service life with other undercarriage components. As the axle rotates inside fixed bearings, friction and wear are significantly reduced, further extending durability.
An extended service life of the track system translates to fewer replacement cycles, directly decreasing workers’ exposure to safety hazards during maintenance.
The idler is crafted using either the alkali phenolic resin sand or sodium silicate-bonded sand casting process. After undergoing heat treatment, it achieves a minimum surface hardness of HRC48-58 with a hardened depth of 4-6mm (HRC45)—enabling it to deliver exceptional impact resistance and wear resistance even under harsh working conditions.
Further refined on a CK5110 large-scale precision CNC vertical lathe, the idler boasts precise dimensional accuracy and superior surface finish quality. This comprehensive manufacturing approach ensures that the finished CHT idler delivers reliable stability and a guaranteed service life.




2. Idler Characteristic


A genuine Front Idler

  • Cuts down on bearing pressure by 50% to lighten the load on bearings and prolong the life of parts.

  • Robust stone shields defend against harm from soil and rubble.

  • Contributes to the reduction of mining operational expenses by prolonging the lifespan of the track system and reducing unexpected stoppages.

  • Enhances track performance by broadening the bearing surface and oil distribution.

Increased Productivity

  • Splined connection between idler and shaft increases reliability and matches idler life with that of other lower works components

  • Bearing blocks with bushings can be removed without breaking the track

  • Dedied lube injectors supply lubricant to critical wear surfaces

Lower Total Cost Of Ownership

  • 50% less bearing stress reduces bearing loads and increases component life

  • Rotating shaft within stationary bushings produces less contact stress and wear

  • Heavy-duty rock guard prevents dirt and debris from damaging parts


3. Design/Structure/Main Dimensions of Installation




4. Production Processes


5. Hot Sale Products


6. Our Advantages

  • World-class quality

  • Factory sale directly with reasonable price

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

  • Fast delivery within 30 days after contract established

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

  • 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.

China Komatsu D85 Bulldozer Front Idler Assembly - ISO9001 Certified factory
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