Bushings for Sealed Track
External Wear
Allowable Wear
Caliper Lesser Greater Ultrasonic
Inches (mm) % Worn % Worn Inches (mm)
2.32 (58.9) 0 0 0.40 (10.2)
2.31 (58.7) 10 7 0.39 (9.9)
2.30 (58.4) 20 14 0.38 (9.7)
2.29 (58.2) 30 21 0.37 (9.4)
2.28 (57.9) 40 28 0.36 (9.1)
2.27 (57.7) 50 35 0.35 (8.9)
2.26 (57.4) 60 42 0.34 (8.6)
2.25 (57.2) 70 49 0.33 (8.4)
2.24 (56.9) 80 56 0.32 (8.1)
2.23 (56.6) 90 63 0.31 (7.9)
2.22 (56.4) 95 68 0.30 (7.6)
2.21 (56.1) 100 72 0.29 (7.4)
2.20 (55.9) 105 76 0.28 (7.1)
2.19 (55.6) 110 80 0.27 (6.9)
2.18 (55.4) 115 84 0.26 (6.6)
2.17 (55.1) 120 88 0.25 (6.4)
2.16 (54.9) 92 0.24 (6.1)
2.15 (54.6) 96 0.23 (5.8)
2.14 (54.4) 100 0.22 (5.6)
2.13 (54.1) 104 0.21 (5.3)
2.12 (53.8) 108 0.20 (5.1)
2.11 (53.6) 112 0.19 (4.8)
2.10 (53.3) 116 0.18 (4.6)
2.09 (53.1) 120 0.17 (4.3)
Undercarriage Code: 605, 606
770
E300 — 7.50" (190 mm)
Excavators