Check the listing for details. New Track Roller Bottom Roller Support Roller Fits for IHI IHI35N Mini Excavator. Condition: New. Listed at 99.15 USD. Hello Friend, if you are unsure if it is suitable for your car model, you can send me the VIN and OEM. Thank you New Track Roller Bottom Roller Support Roller Fits for IHI IHI35N Mini Excavator Specifications： Bottom Roller Weight：14.2 pounds( 6.4KG) Package Dimensions : 19.00*14.50*15.00 cm Color:Black Material: 50 MnB Steel Surface Hardness: HRC52-60, Deepth:5mm-10mm Finish:Smooth Technique: Forging and Casting Track Roller Features: 1. Wheel body: forged from 50Mn round steel with good hardenability. The heat treatment process of quenching and tempering and medium frequency surface quenching ensures its strength and wear resistance. two pieces roller shell rim. Heat treated shells for body strength and longer wear life. Heat treated for a deep un.