Hitachi EX100-5 Excavator Machinery Bulldozer OEM Undercarriage Spare Parts Forge Steel Front Idler Assembly

The Hitachi EX100-5 Excavator OEM Undercarriage Front Idler Assembly is a precision-forged steel component designed for maximum durability and performance in heavy-duty construction and mining applications.

The CHT idler features advanced engineering with a keyed joint between idler and axle that enhances bearing contact area and torque transmission. This design synchronizes service life with other undercarriage components to prevent uneven wear.

• Manufacturing Process: Alkali phenolic resin sand casting or sodium silicate-bonded sand casting
• Surface Hardness: HRC 48-58 with 4-6mm hardened layer (HRC 45 maintained)
• Precision Machining: Performed on large-scale CK5110 CNC vertical lathe

• 50% reduced bearing pressure extends component life by 2x
• Splined idler-shaft connection ensures reliability
• Heavy-duty rock guard protects against debris

• Detachable bearing blocks reduce maintenance time by 40%
• Dedicated lubrication injectors prevent friction failures
• Expanded bearing surface improves track stability

• Rotating shaft with stationary bushings reduces wear
• Prolonged track system life lowers operational costs
• 50% less bearing stress reduces failures and repairs

• 35 years experience in excavator parts manufacturing
• Factory-direct pricing with world-class quality
• Fast delivery within 30 days after contract
• Professional technical support and after-sales service
• Complete quality inspection and maritime logistics