Available buckets for each model of excavator:

U10 & K008: 8″, 10″, 12″, and 16″

U17 & KX018: 9″, 12″, 16″, and 18″

U27: 9″, 12″, 16″, 18″, and 24″

U35, KX030, KX033, & KX040: 12″, 16″, 18″, and 24″

U48, U55, & KX057: 12″, 18″, 24″, 30″, and 36″

KX080: 18″, 24″, 30″, and 36″