EX200 BOTTOM ROLLER PART NO.:9231278
Product Overview
Part Number: 9231278
Fit Machine: Hitachi EX200 Medium Excavator
This track roller (bottom roller) is a heavy-duty aftermarket replacement undercarriage wear part designed for Hitachi EX200 crawler excavators. Forged from high-strength alloy steel with full-surface deep carburizing quenching heat treatment, it is fitted with a double-layer anti-leak oil seal system. The roller bears the full weight of the excavator and supports track chain movement under municipal, earthmoving and small quarry construction working environments.
Core Advantages
Precision Machined Replacement Installation Dimensions
Roller width, spindle length and mounting hole sizes are precisely machined to fit Hitachi EX200 excavators seamlessly. Direct bolt-on installation is available without cutting or any modification.
Deep Hardened Roller Surface
The deep carburizing quenching process delivers high surface hardness and superior wear resistance, extending service life significantly on muddy and rocky construction sites.
Double Multi-Layer Mud-Proof Oil Seal
High-temperature and sediment-resistant composite rubber seals effectively block mud and water ingress while preventing grease leakage, greatly prolonging maintenance intervals.
Heavy-Duty Internal Bearing
Delivers powerful load-bearing capacity and smooth steady rotation to avoid track shaking, jumping and chain derailment.
Strict Factory Full Inspection
Each bottom roller undergoes hardness testing, hydraulic leak testing and dimensional calibration before packaging to guarantee consistent uniform quality.
Compatible Machine
This aftermarket replacement track roller fits Hitachi EX200 crawler excavator perfectly.
If you cannot confirm compatibility, send your machine model and photos of your old track roller to our sales team for fast professional matching.
Application
Load-bearing replacement bottom track roller for Hitachi EX200 excavators, widely used in municipal road construction, farm land leveling and small stone quarry machinery chassis load-bearing 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 service.
Why Choose MUYE Aftermarket Undercarriage Parts
MUYE Machinery has specialized in aftermarket mini & medium excavator chassis spare parts for over 10 years:
- Complete product lineup including track rollers, top rollers, idlers, sprockets and track shoes compatible with Hitachi, Komatsu, Kobelco, CAT, Sumitomo and more brands
- Direct factory supply with competitive wholesale prices, no extra markup from middlemen
- 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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