RD411-21703 Kubota KX057-4 KX161-3S U45ST Bottom Roller
Application: Kubota Mini Excavator KX057-4, KX161-3S, U45ST, U55, U55-4
OE: RD411-21703, RD441-21700, RD411-21702, RD441-21702, RD461-21900, RD579-21700
Raw Material: 50Mn/40MnB
Warranty: 24 Months Or 2000 Hours
Hardness: HRC55-57
MOQ: 1PCS
