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D155 D355 Bulldozer Front Idler Assembly ISO9001 Certified 15-Day Delivery

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D155 D355 Bulldozer Front Idler Assembly ISO9001 Certified 15-Day Delivery

Brand Name : YT

Model Number : D155 D355

Certification : ISO9001

Place of Origin : China(Mainland)

MOQ : 1PCS

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. : D155 D355

Product Name : Idler or Idler Wheel

Finish : Smooth

Time of Delivery : Within 15 Days After Contract Established

Technique : Forging & Casting

Application : Excavator & Bulldozer Spare Parts

Condition : New

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D155 D355 Construction Machinery Bulldozer OEM Undercarriage Spare Parts Heat Treatment Front Idler Assembly

1. What is a Idler?

At the core of its design, a keyed joint connects the idler to the axle, expanding the bearing surface and enhancing torque transmission. This innovation not only boosts reliability but also aligns the idler’s lifespan with other undercarriage components, eliminating premature wear mismatches. As the axle rotates within fixed bearings, friction and wear are drastically reduced—further extending the durability of the entire track system.

Manufacturing excellence defines the CHT idler: it is crafted using either alkali phenolic resin sand casting or sodium silicate-bonded sand casting, processes chosen for their ability to produce robust, dimensionally stable components. Post-casting, specialized heat treatment yields a minimum surface hardness of HRC48-58 with a 4-6mm hardened layer (HRC45)—attributes that deliver exceptional impact resistance and wear resistance, even in the harshest mining or construction environments.

Precision is finalized on a CK5110 large-scale CNC vertical lathe, ensuring impeccable dimensional accuracy and superior surface finishes. This rigorous, multi-step manufacturing approach guarantees the CHT idler operates with reliable stability and a consistently long service life.

The result? An extended track system lifespan reduces replacement cycles, directly lowering workers’ exposure to safety hazards during maintenance—proving durability and safety go hand in hand.

2. Idler Characteristic

2.1 Tech-Driven Durability: Built to Outlast

50% bearing pressure reduction: Slashes bearing load to extend component life by 2x+—eliminating frequent replacements.
Splined idler-shaft connection: Locks in unbeatable reliability while aligning the idler’s lifespan with other critical undercarriage parts.
Heavy-duty rock guard: Acts as a rugged barrier against dirt, rubble, and debris, shielding vulnerable components from costly damage.

2.2 Efficiency-Focused Design: Minimize Downtime, Maximize Output

Detachable bushing-equipped bearing blocks: Remove and service without disassembling the track—cuts maintenance time by up to 40%.
Dedicated lubrication injectors: Target high-wear surfaces with precise lubricant delivery, preventing friction-related failures.
Expanded bearing surface + optimized oil flow: Boosts track stability and responsiveness, even in rough mining conditions.

2.3 Cost-Smart Engineering: Lower TCO, Higher Returns

Rotating shaft + stationary bushings: Reduces contact stress and wear, slashing unplanned stoppages that eat into profits.
Prolonged track system life: Lowers overall mining operational costs by minimizing downtime and replacement frequency.
50% less bearing stress: Directly translates to fewer bearing failures, reducing both parts costs and labor for repairs.

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.

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