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Forged Steel Undercarriage Spare Parts for D31 Heavy Duty Idler Assembly for Bulldozer
What is an Idler?
The CHT idler is engineered for uncompromising durability and workplace safety, featuring advanced structural design and precision manufacturing. Its keyed idler-axle joint widens the bearing contact area, enhances torque transmission efficiency, and synchronizes the idler's service life with all undercarriage components, effectively eliminating uneven wear. The axle's rotation within fixed bearings minimizes friction, extending the overall track system's lifespan.
Manufactured through premium processes including alkali phenolic resin sand casting or sodium silicate-bonded sand casting, this idler features robust construction and perfect dimensional stability. After specialized heat treatment, it achieves HRC 48-58 surface hardness and a 4-6mm hardened layer (HRC 45), providing outstanding impact and wear resistance for harsh mining and construction conditions.
Final finishing on a CK5110 large-scale CNC vertical lathe guarantees precise dimensional accuracy and smooth surface finish for seamless assembly. The extended service life reduces frequent part replacements, minimizing worker exposure to safety hazards during maintenance and linking long-lasting performance to workplace safety improvements.
Heavy-duty rock guard: Provides rugged protection against dirt, rubble and debris, shielding vulnerable components from damage in demanding environments
Detachable bushed bearing blocks: Enable quick removal and servicing without disassembling the track, cutting maintenance time by 40%
Expanded bearing surface + optimized oil flow: Enhances track stability and operational responsiveness for reliable performance on rough terrain
Cost-Smart Engineering: Lower Total Cost of Ownership
Rotating shaft + stationary bushings: Reduces contact friction and wear significantly, minimizing unplanned production stoppages
50% less bearing stress: Results in far fewer bearing failures, reducing parts procurement costs and repair labor expenses
Design/Structure/Main Dimensions of Installation
Production Processes
Hot Sale Products
The models above are for reference only. We can supply additional models upon request. Please contact us with your specific requirements.
Our Advantages
World-class quality: Premium manufacturing standards and rigorous quality control
Factory direct pricing: Competitive prices with no middlemen
35 years' experience: Extensive expertise in excavator and bulldozer spare parts manufacturing
Fast delivery: Within 30 days after contract establishment
Professional support: Expert sales team, quality inspection reports, and maritime logistics guidance
Comprehensive after-sales: Video technical support and 24-hour online assistance
Q&A
Still troubled by the lack of high-quality excavator idlers? YinTai Parts is a professional manufacturer and supplier of excavator idlers in China, dedicated to providing premium idler products for sale. With over 30 years of deep industry experience and extensive technical expertise, we ensure our products deliver exceptional quality and reliable performance—solving your concerns about subpar idler options.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2011
Total Annual:
10Million-20Million
Employee Number:
50~100
Ecer Certification:
Verified Supplier
XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.
YinTai cooperates with Chinese famous large steel mills, such as Fujian S...
XIAMEN YINTAI MACHINERY CO., LTD. is loed in the beautiful port city of Xiamen. It is a manufacturing enterprise which is focusing on research and development, production and trade of construction machinery parts.
YinTai cooperates with Chinese famous large steel mills, such as Fujian S...