Steel Specifications

	Excavator Weight (tons) Cutting Edge Hardening Cutting Edge (mm) Tooth Specification Digging Buckets 1-1.5 Birnell 250 15 Bolt-on 2-3.5 Birnell 250 20 Bolt-on 4-5 Birnell 250 20 Bolt-on 6-7 Birnell 250 25 KingMet 10 10-14 Birnell 400 30 KingMet 15 15-22 Birnell 400 40 KingMet 20 23-33 Birnell 400 50 KingMet 40 34-45 Birnell 400 60 KingMet 55 36-55 Birnell 400 50 KingMet 65 Grading Buckets 1-1.5 Birnell 250 12.5 n.a. 2-3.5 Birnell 250 15 n.a. 4-5 Birnell 250 20 n.a. 6-7 Birnell 250 20 n.a. 10-14 Birnell 250 25 n.a. 15-22 Birnell 250 30 n.a. 23-33 Birnell 400 30 n.a. 34-45 Birnell 400 40 n.a.