EX400 BOTTOM ROLLER PART NO.:9242601
Product Overview
Part Number: 9242601
Fit Machine: Hitachi EX400 Heavy Excavator
This track roller (bottom roller) is a heavy-duty aftermarket replacement undercarriage wear part designed for Hitachi EX400 crawler excavators. Forged from high-strength alloy steel with full-surface deep carburizing quenching heat treatment, it adopts a triple-layer anti-leak oil seal system. The roller bears the full weight of the excavator and maintains stable track chain operation on stone quarries, mining zones and heavy earthmoving construction sites.
Core Advantages
Precision Machined Replacement Installation Dimensions
Roller width, spindle length and mounting hole sizes are precisely machined to perfectly fit Hitachi EX400 excavators. Direct bolt-on installation is available without cutting or extra modification.
Ultra Deep Hardened Roller Surface
Deep carburizing quenching treatment achieves high surface hardness and superior wear resistance, greatly extending service life on rocky and muddy working sites.
Triple Multi-Layer Mud-Proof Oil Seal
High-temperature and sediment-resistant composite rubber seals block mud and water ingress while preventing grease leakage, significantly prolonging maintenance intervals.
Oversized Heavy-Duty Internal Bearing
Delivers powerful load-bearing capacity and smooth steady rotation to avoid track shaking, jumping and track 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 Equipment
This aftermarket replacement track roller perfectly fits Hitachi EX400 crawler excavator.
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 EX400 heavy excavators, widely applied to open-pit quarries, large earthmoving projects and road construction machinery chassis load-bearing systems.
Packing & Shipping
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 heavy mining & 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, competitive wholesale price without middle markup
- 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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