Bushings for Sealed Track
External Wear
Grease Lubricated Track
Caliper Ultrasonic
Inches (mm) % Worn Inches (mm)
2.89 (73.4) 0 0.48 (12.2)
2.88 (73.2) 9 0.47 (11.9)
2.87 (72.9) 18 0.46 (11.7)
2.86 (72.6) 27 0.45 (11.4)
2.85 (72.4) 36 0.44 (11.2)
2.84 (72.1) 45 0.43 (10.9)
2.83 (71.9) 54 0.42 (10.7)
2.82 (71.6) 63 0.41 (10.4)
2.81 (71.4) 72 0.40 (10.2)
2.80 (71.1) 76 0.39 (9.9)
2.79 (70.9) 80 0.38 (9.7)
2.78 (70.6) 84 0.37 (9.4)
2.77 (70.4) 88 0.36 (9.1)
2.76 (70.1) 92 0.35 (8.9)
2.75 (69.9) 96 0.34 (8.6)
2.74 (69.6) 100 0.33 (8.4)
2.73 (69.3) 104 0.32 (8.1)
2.72 (69.1) 108 0.31 (7.9)
2.71 (68.8) 112 0.30 (7.6)
2.70 (68.6) 116 0.29 (7.4)
2.69 (68.3) 120 0.28 (7.1)
Undercarriage Code: 6101, 6201
558
330 FM, 345 — 8.50" (215.9 mm)
Excavators