Electric starter motor compatible with KUBOTA Excavator Engine: KX121-3, KX161-3 KUBOTA Compact Utility Tractor: L3430HSTC, L4330HSTC, L4740, L4740GST, L4740GST3, L4740HST, L4740HST3, L4740HSTC, L4740HSTC3, L48TL, L48TLB, L5030GST, L5030GST-L50, 3050, 3050 L5040GST, L5040GST3, L5240, L5240HST, L5240HST3, L5240HSTC, L5240HSTC3, L5740, L5740HST, L5740HST3, L5740HSTC, L5740HSTC3 Mini excavator KUBOTA: KX121-3R3, KX121-3R4, KX121-3R4A, KX121-3S, KX121-3S3, KX121-3S4, KX121-3S4A, KX121-3ST, KX161-3R1, KX161-3R2, KX161-3S, KX161-3S, KX161-3S, KX161-3S2, KX161-3S2, KX161-3ST, U45S, U45ST KUBOTA tractor: M59, MX4700DT, MX4700F, MX4700H, MX5000DT, MX5000F, MX5000SU, MX5100DT, MX5100F, MX5100H Excavator for KUBOTA tractor: L48 CHARACTERISTICS: mounting hole in mm: 105.00 overall length in mm: 220.40 length of flange in mm: 183.20 number of teeth: 9 Ø outside in mm: 77.00 CODE: 31-177 ORIGINAL CODE: KUBOTA 17123-63016 CZ