Track Rollers
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
5.43 (138.0) 0 0.59 (15.0) 1.65 (41.9)
5.41 (137.5) 5 0.60 (15.0) 1.64 (41.7)
5.39 (137.0) 10 0.61 (15.5) 1.63 (41.4)
5.37 (136.5) 15 0.62 (15.5) 1.62 (41.1)
5.35 (136.0) 20 0.63 (16.0) 1.61 (40.9)
5.33 (135.5) 25 0.64 (16.5) 1.60 (40.6)
5.31 (135.0) 30 0.65 (16.5) 1.59 (40.4)
5.29 (134.5) 35 0.66 (17.0) 1.58 (40.1)
5.27 (134.0) 40 0.67 (17.0) 1.57 (39.9)
5.25 (133.5) 45 0.68 (17.5) 1.56 (39.6)
5.23 (133.0) 50 0.69 (17.5) 1.55 (39.4)
5.21 (132.5) 55 0.70 (18.0) 1.54 (39.1)
5.19 (132.0) 60 0.71 (18.0) 1.53 (38.9)
5.17 (131.5) 64 0.72 (18.5) 1.52 (38.6)
5.15 (131.0) 67 0.73 (18.5) 1.51 (38.4)
5.13 (130.5) 70 0.74 (19.0) 1.50 (38.1)
5.11 (130.0) 73 0.75 (19.0) 1.49 (37.8)
5.09 (129.5) 76 0.76 (19.5) 1.48 (37.6)
5.07 (129.0) 79 0.77 (19.5) 1.47 (37.3)
5.05 (128.5) 82 0.78 (20.0) 1.46 (37.1)
5.03 (128.0) 85 0.79 (20.0) 1.45 (36.8)
5.01 (127.5) 88 0.80 (20.5) 1.44 (36.6)
4.99 (126.5) 91 0.81 (20.5) 1.43 (36.3)
4.97 (126.0) 94 0.82 (21.0) 1.42 (36.1)
4.95 (125.5) 97 0.83 (21.0) 1.41 (35.8)
4.93 (125.0) 100 0.84 (21.5) 1.40 (35.6)
4.91 (124.5) 103 0.85 (21.5) 1.39 (35.3)
4.89 (124.0) 106 0.86 (22.0) 1.38 (35.1)
4.87 (123.5) 109 0.87 (22.0) 1.37 (34.8)
4.85 (123.0) 112 0.88 (22.5) 1.36 (34.5)
4.83 (122.5) 115 0.89 (22.5) 1.35 (34.3)
4.81 (122.0) 118 0.90 (23.0) 1.34 (34.0)
4.79 (121.5) 121 0.91 (23.0) 1.33 (33.8)
Flange diameter is 6.61" (168 mm)
Undercarriage Code: 516, 531
514
311, 312, 313, 314 — 6.75" (171.5 mm)
Excavators