Doozer excavator track rollerXiamen Doozer Construction Machinery Co.,Ltd supply high performance and reliability track rollers used for crawler type heavy equipments,Website:http://www.mining-parts.net,such as excavators,dozers,applicable for hitachi,daewoo,kobelco,sumitomo,hyundai,samsung,volvo,mitubishi.Our track roller for excavators are specially designed, engineered and manufactured for high impact applications.Bulldozer track rollers are designed for applications that call for the maximum wear resistance.We use good material to ensure quality and consistency,and our heat treatment process provides hardness in high wear areas,and elastic core to resist shock and impact loads.We have strict quality management to produce effective and stable products,and meet customer's demand.Track roller EX300 9114682:?�Track roller must hold the weight of �excavator along with load,it requires precision,strength and durability.?�Other names:Bottom roller,Lower roller,Support roller,Down roller?�Suit for model: Ex300 Track roller,Bottom roller,Lower roller for hitachi excavator �?�Forging roller shell?�OEM dimension and quality,supply to North America marketMany stocks,quick delivery timeTrack roller InformationProduct NameEX300 Track Roller OEM no.9114682 friction welding bottom roller,lower rollerProduct Informationundercarriage parts/Track rollerMaterial50Mn/40MnBFinishSmoothColorsBlack or yellowTechniqueForging