ABOUT Guaranteed to fit your Komatsu PC78US.SPECIFICATIONSFitmentKomatsu PC78USBrandMWEDurabilityHeavy DutyUndercarriage TypeSprocketSprocket Teeth21Sprocket Bolt Holes15ConditionNewWarranty12 Months / 1,000 Hours - 100% Coverage-UndercarriageWeight50...