Hitachi EX40 Excavator Machinery Durable Undercarriage Spare Parts Forge Steel Front Idler Assembly for Sale with OEM Quality

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, doubling component lifespan and cutting unplanned downtime from frequent part swaps.
• Splined idler-shaft connection: Aligns the idler’s life with other undercarriage parts, stopping uneven wear that shortens system life and boosting reliability.
• Heavy-duty rock guard: Shields vulnerable parts from dirt/debris in dusty/gravelly sites, avoiding costly repairs and premature failures.

2.2 Efficiency-Focused Design: Minimize Downtime

• Detachable bushed bearing blocks: Enable fast servicing (no track disassembly), slashing 40% of maintenance time to get gear online quicker.
• Dedicated lubrication injectors: Prevent friction failures and unexpected downtime, keeping daily operations steady.
• Expanded bearing surface + optimized oil flow: Boosts track stability in rough mining—critical for consistent output.

2.3 Cost-Smart Engineering: Lower TCO

• Rotating shaft + stationary bushings: Reduces friction/wear, cutting profit-draining unplanned stoppages and hidden costs.
• Prolonged track life: Lowers total ops costs via less downtime and part replacements, delivering long-term savings.
• 50% less bearing stress: Means fewer bearing failures, slashing parts and repair labor expenses.

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

1. World-class quality

2. Factory sale directly with reasonable price

3. 35 years' experience in Excavator & Bulldozer spare parts manufacturing

4. Fast delivery within 30 days after contract established

5. Professional sales team, quality inspection and report, maritime logistics guidance

6. After-sale services: video technical support, 24h online support

7. Feedback

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.

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 Sangang Group, Xinyu Iron and Steel Group, Hang Zhou Iron & Steel, Baogang Group etc. We strictly control cost and quality from raw materials and transportation. Not only can we manufacture the products with specific raw material according to customer requests, but also provide customers with personalized customization, YinTai strives to maximize customer benefits.

YinTai produces the complete set of bulldozer and excavator spare parts, including track chain, track shoe, track roller, carrier roller, idler, sprocket, recoil spring, bucket tooth/adapter, blade, etc. Our products are suitable for , KOMATSU, HITACHI, DAEWOO, and other world-famous construction machinery brands. Relying on the 35-year manufacturing experience of QiXing Enterprise, our products have won a good reputation all over the world by our high quality and good services.

Innovation for development, by the good faith to beat the market, increasing investment in science and technology. In order to ensure excellent product quality and competitive advantage in price, YinTai Machinery keeps innovating and improving its quality from raw materials to production, technology and management. Our products are the favorites to Chinese customers and sell all around the world which is deeply favored by the majority of customers.