explainer

Mini Excavator Bucket Sizes: Width, Teeth, and Cleanup Buckets

AGT Equipment Team
5 min read
Quick Answer: Choose bucket size by trench width, soil type, and finish quality. Use 8-12 inch buckets for narrow trenching, 16-20 inch buckets for general digging, and 24 inch or wider buckets for grading and cleanup. Tooth buckets cut compacted soil better; toothless buckets leave cleaner bottoms and finished surfaces.

What bucket width do you need?

Wider buckets move more material but reduce digging force per inch and need more hydraulic power. Narrow buckets dig cleaner trenches and are easier for small machines to pull through hard soil.

Bucket widthBest useNotes
8-10 inchIrrigation, wire, narrow utility trenchClean trench with less spoil
12-16 inchGeneral trenching and small excavationMost common small-machine range
20-24 inchDrainage, grading, material movementGood balance of volume and control
40 inch and widerCleanup, finish grading, loose materialUse on compatible machines only

Teeth or toothless edge?

  • Use teeth for clay, roots, compacted fill, and first-pass digging.
  • Use toothless buckets for cleanup, grading, and smooth trench bottoms.
  • Keep spare teeth, pins, and hardware on hand for high-hour work.
  • Confirm pin size before ordering a bucket for a non-AGT machine.

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