Hyundai Final Drive 31N8-40055 for R250 R290 R300 R305

New / unused replacement final drive / travel motor assembly for Hyundai crawler excavators. Main part number: 31N8-40055 Reference number: 31N840055 Related / comparison numbers: 31N8-40054, 31N8-40050, 31N8-40051, 31N8-40052, 31N8-40053, 31N8-40060, 31N8-40061, 31N8-40062 Part type: final drive / travel motor / travel device / track motor / final drive assy Suitable for Hyundai R250, R290, R300 and R305 excavators. Also commonly listed for Hyundai R250LC-7, R250LC-7A, R290LC-7, R290LC-7A, R290LC-7H, R300LC-7 and R305LC-7 applications, depending on machine specification and serial number. This is a travel drive assembly used in the crawler excavator undercarriage drive system. It is suitable for repair, service and rebuild work where the original final drive or travel motor number matches 31N8-40055 or the listed reference numbers. Please compare the part number, final drive tag, hydraulic ports, sprocket mounting, bolt pattern, gear ratio, brake specification, side of installation and machine serial number before purchase. Fitment must be verified before installation. Hyundai 31N8-40055 final drive, 31N840055 travel motor, Hyundai R250 final drive, R250LC-7 travel motor, Hyundai R290 final drive, R290LC-7 travel device, Hyundai R300 final drive, R300LC-7 track motor, Hyundai R305 final drive, R305LC-7 travel motor, 31N8-40054, 31N8-40050, 31N8-40051, 31N8-40062, excavator final drive replacement.