D8N IDLER PART NO.:6Y-0554
Product Overview
Part Number: 6Y-0554
Fit Machine: CAT D8N Heavy Crawler Bulldozer
This heavy-duty aftermarket replacement idler wheel is custom designed for CAT D8N mining bulldozers. Manufactured from high-strength alloy cast steel and treated with full-rim deep quenching heat treatment, this component maintains proper track tension and guides track chains smoothly. It effectively prevents track deviation, slipping and derailment, delivering stable reliable performance under harsh working conditions including open-pit mines, stone quarries and heavy earthmoving projects.
Core Advantages
Precision Replacement Size Design
All outer diameter, spindle bore and mounting bracket dimensions are precisely machined to perfectly fit CAT D8N bulldozers. It supports direct bolt-on installation without any cutting or modification.
Deep Hardened Wheel Rim
The rim surface undergoes carburizing quenching treatment to achieve ultra-high wear resistance, greatly extending service life on rocky, muddy mine construction sites.
Multi-Layer Anti-Mud Sealed Lubrication Structure
Thick composite oil seals block sediment and water ingress while stopping grease leakage, drastically reducing maintenance frequency during heavy-duty mining pushing operations.
High Toughness Cast Body
Robust one-piece casting structure resists cracking and permanent deformation under long-duration full-load mining pushing cycles.
Strict Pre-Shipment Quality Inspection
Every idler passes hardness testing, hydraulic leak testing and dimensional calibration before packaging to guarantee consistent stable quality.
Compatible Equipment
This aftermarket replacement idler fits CAT D8N crawler mining bulldozer perfectly.
If you cannot confirm compatibility, send your machine model and photos of your old idler to our sales team for fast professional verification.
Application
Track tension replacement idler wheel for CAT D8N bulldozers, widely applied in open pit mining, stone quarrying and large heavy earthmoving machinery chassis tension systems.
Packing & Delivery
Adopt shockproof export wooden cases and fumigated wooden pallets for outer packaging.
We offer bulk wholesale service, accept mixed orders of full-set bulldozer undercarriage spare parts, provide fast mass production lead time and global door-to-door delivery support.
Why Choose MUYE Aftermarket Undercarriage Parts
MUYE Machinery has focused on aftermarket heavy mining bulldozer & excavator chassis spare parts for more than 10 years:
- Complete product lineup covering idler, track roller, top roller, sprocket, segment and track shoe for CAT, Komatsu, Doosan, Hitachi, Volvo and other mainstream brands
- Direct factory supply with competitive wholesale prices, no extra markup from middlemen
- All aftermarket undercarriage wear parts come with a 12-month quality warranty
- Professional technical team to offer accurate model matching and installation guidance
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