PC650-8 IDLER PART NO.:21M-30-00301
Product Overview
Part Number: 21M-30-00301
Fit Machine: Komatsu PC650-8 Heavy Mining Excavator
This idler wheel is a heavy-duty aftermarket replacement undercarriage wear part designed for Komatsu PC650-8 large open-pit mining excavators. It is cast from high-strength alloy steel and processed with full-rim deep quenching heat treatment. The idler adjusts track tension and guides track chains to prevent track deviation, slipping and derailment, delivering steady reliable performance under heavy-duty quarry and mining working environments.
Core Advantages
Precision Machined Replacement Dimensions
Outer diameter, spindle bore and mounting bracket dimensions are precisely machined to fit Komatsu PC650-8 excavators perfectly. Direct bolt-on installation is available without cutting or any extra modification.
Deep Hardened Wheel Rim
Carburizing quenching treatment on the wheel surface creates ultra-high wear resistance for extended service life on rocky and muddy mining job sites.
Multi-Layer Anti-Mud Sealed Lubrication Structure
Thick composite oil seals block sediment and water ingress while stopping grease leakage, significantly reducing maintenance downtime during mining production operations.
High Toughness Cast Body
Effectively resists cracking and permanent deformation under continuous full-load mining excavation cycles.
Strict Pre-Shipment Quality Inspection
Each idler undergoes hardness testing, hydraulic leak testing and dimensional calibration before packaging to guarantee consistent uniform quality.
Compatible Equipment
This aftermarket replacement idler fits Komatsu PC650-8 crawler heavy mining excavator perfectly.
If you cannot confirm compatibility, send your machine model and photos of your old idler to our sales team for quick professional verification.
Application
Track tension replacement idler wheel for Komatsu PC650-8 large mining excavators, widely deployed in open-pit mines, stone quarries and large-scale earthmoving heavy machinery chassis tension systems.
Packing & Delivery
Adopt shockproof export wooden cases and fumigated wooden pallets for outer packaging.
We support bulk wholesale orders, mixed full-set undercarriage spare parts orders, fast mass production lead time and global door-to-door logistics delivery service.
Why Choose MUYE Aftermarket Undercarriage Parts
MUYE Machinery has specialized in aftermarket heavy mining & mini excavator chassis spare parts for over 10 years:
- Complete product lineup including idlers, track rollers, top rollers, sprockets and track shoes compatible with Komatsu, Hitachi, Kobelco, CAT, Sumitomo and other mainstream construction machinery brands
- Direct factory supply with competitive wholesale prices, no extra markup from middle distributors
- All aftermarket undercarriage wear parts are covered by a 12-month quality warranty
- Professional technical team provides accurate model matching and installation guidance
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