D9R BOTTOM ROLLER DF PART NO.:196-9955
Product Overview
Part Number: 196-9955
Fit Machine: CAT D9R Heavy Mining Crawler Bulldozer
This track roller (bottom roller) is a heavy-duty aftermarket replacement undercarriage wear part made for CAT D9R large mining bulldozers. Forged from high-strength alloy steel with full-surface deep carburizing quenching heat treatment, it is fitted with a triple-layer anti-leak mud-proof oil seal system. The roller bears the full heavy weight of the bulldozer and ensures steady track chain movement under harsh working environments such as open-pit mines, stone quarries and heavy earthmoving sites.
Core Advantages
Precision Machined Replacement Installation Dimensions
Roller width, spindle length and mounting hole sizes are precisely machined to fit CAT D9R bulldozers seamlessly. Direct bolt-on installation is available without cutting, welding or any modification.
Ultra Deep Hardened Roller Surface
Deep carburizing quenching delivers ultra-high surface hardness and outstanding anti-wear performance, greatly prolonging service life on rocky, muddy mining job sites.
Triple Multi-Layer Mud-Proof Oil Seal
High temperature and sediment resistant composite rubber seals effectively block mud, water ingress and grease leakage, significantly extending maintenance intervals for mining dozers.
Oversized Heavy-Duty Internal Bearing
Features exceptional load-bearing capacity and stable smooth rotation, preventing track shaking, jumping and chain derailment under full mining working loads.
Strict Factory Full Inspection
Each bottom roller undergoes hardness testing, hydraulic leak testing and dimensional calibration before packaging to guarantee consistent stable quality.
Compatible Machine
This aftermarket replacement roller fits CAT D9R heavy crawler mining bulldozer 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 CAT D9R mining bulldozers, widely used in open-pit quarries, large mine sites and heavy earthmoving 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 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 and excavator chassis spare parts for over 10 years:
- Full product range including track roller, top roller, idler, sprocket, segment and track shoe compatible with CAT, Komatsu, 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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