Bottom Track Roller compatible for Kubota KX040-4 compatible for Mini Excavator RD148-21700

ApplicationCompatible for Kubota excavator model KX040-4OE/Part numberRD148-21700， KX040-4SpecificationCondition: New Fitment Type: Direct Replacement Color: Black Material: steel, iron Material: 50 MnB Steel Surface Hardness: HRC52-60 Deepth:5mm-10mm Finish:Smooth Technique: Forging and Casting Package Includes: 1x Bottom Roller (Showing as the picture)NotePlease confirm your vehicle condition and OE number before placing an order! Please note that this is an after-sales part, not an original part. We suggest that you seek professional installation to avoid unnecessary tr