Track Rollers
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
8.25 (209.5) 0 0.74 (19.0) 1.88 (47.8)
8.21 (208.5) 6 0.76 (19.5) 1.86 (47.2)
8.17 (207.5) 12 0.78 (20.0) 1.84 (46.7)
8.13 (206.5) 18 0.80 (20.5) 1.82 (46.2)
8.09 (205.5) 24 0.82 (21.0) 1.80 (45.7)
8.05 (204.5) 30 0.84 (21.5) 1.78 (45.2)
8.01 (203.5) 36 0.86 (22.0) 1.76 (44.7)
7.97 (202.5) 42 0.88 (22.5) 1.74 (44.2)
7.93 (201.5) 48 0.90 (23.0) 1.72 (43.7)
7.89 (200.5) 54 0.92 (23.5) 1.70 (43.2)
7.85 (199.5) 60 0.94 (24.0) 1.68 (42.7)
7.81 (198.5) 66 0.96 (24.5) 1.66 (42.2)
7.77 (197.5) 72 0.98 (25.0) 1.64 (41.7)
7.73 (196.5) 78 1.00 (25.5) 1.62 (41.1)
7.69 (195.5) 84 1.02 (26.0) 1.60 (40.6)
7.65 (194.5) 88 1.04 (26.5) 1.58 (40.1)
7.61 (193.5) 91 1.06 (27.0) 1.56 (39.6)
7.57 (192.5) 94 1.08 (27.5) 1.54 (39.1)
7.53 (191.5) 97 1.10 (28.0) 1.52 (38.6)
7.49 (190.0) 100 1.12 (28.5) 1.50 (38.1)
7.45 (189.0) 103 1.14 (29.0) 1.48 (37.6)
7.41 (188.0) 106 1.16 (29.5) 1.46 (37.1)
7.37 (187.0) 109 1.18 (30.0) 1.44 (36.6)
7.33 (186.0) 112 1.20 (30.5) 1.42 (36.1)
7.29 (185.0) 115 1.22 (31.0) 1.40 (35.6)
7.25 (184.0) 118 1.24 (31.5) 1.38 (35.1)
7.21 (183.0) 121 1.26 (32.0) 1.36 (34.5)
Flange diameter is 9.72" (247 mm)
Undercarriage Code: 480
691
235 — 8.00" (203.2 mm)
Excavators