Sec Cat 345, 349 Tb Linkage 80 Ditching Bucket Bucket, Ditch Cleaning 80 Smooth Edge Ditching Bucket. 17 1/2 Between Ears, 4 1/4 Pin Hole, 22 3/4 Center To Center Of Pins. Fits Cat 345B, 345c., To Fit Make: CATERPILLAR, To Fit Model: 345B, 345c, 345, 345cl, 345d, 345dl, 349d, 349dl, 349e, 349el