D155 TOP ROLLER PART NO.:175-30-00030
Product Overview
Part Number: 175-30-00030
Fit Machine: Komatsu D155 Heavy Bulldozer
This carrier roller (top roller) is a heavy-duty aftermarket replacement undercarriage wear part designed for Komatsu D155 crawler bulldozers. Forged from high-strength alloy steel with full-surface deep carburizing quenching heat treatment, it is fitted with a triple-layer anti-leak oil seal system. The roller holds up the upper track chain, lowering track vibration, abrasion and derailment under open-pit mining, quarry and heavy earthmoving working conditions.
Core Advantages
Precision Machined Replacement Installation Dimensions
Roller width, spindle length and mounting hole sizes are precisely machined to fit Komatsu D155 bulldozers seamlessly. Direct bolt-on installation is available without cutting or any modification.
Ultra Deep Hardened Roller Surface
Deep carburizing quenching achieves high surface hardness and superior wear resistance, significantly prolonging service life on rocky, muddy mining job sites.
Triple Multi-Layer Mud-Proof Oil Seal
High-temperature and sediment-resistant composite rubber seals block water and mud ingress, prevent grease leakage and greatly extend bulldozer maintenance intervals.
Oversized Heavy-Duty Internal Bearing
Delivers exceptional load-bearing capacity and smooth steady rotation to avoid track shaking, jumping and chain derailment under full mining working loads.
Strict Factory Full Inspection
Each top roller undergoes hardness testing, hydraulic leak testing and dimensional calibration before packaging to guarantee consistent uniform quality.
Compatible Equipment
This aftermarket replacement top roller fits Komatsu D155 heavy crawler bulldozer perfectly.
If you cannot confirm compatibility, send your machine model and photos of your old top roller to our sales team for fast professional matching.
Application
Replacement upper track carrier roller for Komatsu D155 mining bulldozers, widely used in open-pit quarries, large earthmoving projects and mine-site heavy 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 bulldozer undercarriage spare parts, 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 bulldozer & excavator chassis spare parts for over 10 years:
- Complete product lineup including track rollers, top rollers, idlers, sprockets and track shoes compatible with Komatsu, CAT, Doosan, Hitachi, Volvo 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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