Track Rollers
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
8.76 (222.5) 0 0.74 (19.0) 2.06 (52.3)
8.72 (221.5) 5 0.76 (19.5) 2.04 (51.8)
8.68 (220.5) 10 0.78 (20.0) 2.02 (51.3)
8.64 (219.5) 15 0.80 (20.5) 2.00 (50.8)
8.60 (218.5) 20 0.82 (21.0) 1.98 (50.3)
8.56 (217.5) 25 0.84 (21.5) 1.96 (49.8)
8.52 (216.5) 30 0.86 (22.0) 1.94 (49.3)
8.48 (215.5) 35 0.88 (22.5) 1.92 (48.8)
8.44 (214.5) 40 0.90 (23.0) 1.90 (48.3)
8.40 (213.5) 45 0.92 (23.5) 1.88 (47.8)
8.36 (212.5) 50 0.94 (24.0) 1.86 (47.2)
8.32 (211.5) 55 0.96 (24.5) 1.84 (46.7)
8.28 (210.5) 60 0.98 (25.0) 1.82 (46.2)
8.24 (209.5) 65 1.00 (25.5) 1.80 (45.7)
8.20 (208.5) 70 1.02 (26.0) 1.78 (45.2)
8.16 (207.5) 75 1.04 (26.5) 1.76 (44.7)
8.12 (206.0) 80 1.06 (27.0) 1.74 (44.2)
8.08 (205.0) 85 1.08 (27.5) 1.72 (43.7)
8.04 (204.0) 90 1.10 (28.0) 1.70 (43.2)
8.00 (203.0) 94 1.12 (28.5) 1.68 (42.7)
7.96 (202.0) 96 1.14 (29.0) 1.66 (42.2)
7.92 (201.0) 98 1.16 (29.5) 1.64 (41.7)
7.88 (200.0) 100 1.18 (30.0) 1.62 (41.1)
7.84 (199.0) 102 1.20 (30.5) 1.60 (40.6)
7.80 (198.0) 104 1.22 (31.0) 1.58 (40.1)
7.76 (197.0) 106 1.24 (31.5) 1.56 (39.6)
7.72 (196.0) 108 1.26 (32.0) 1.54 (39.1)
7.68 (195.0) 110 1.28 (32.5) 1.52 (38.6)
7.64 (194.0) 112 1.30 (33.0) 1.50 (38.1)
7.60 (193.0) 114 1.32 (33.5) 1.48 (37.6)
7.56 (192.0) 116 1.34 (34.0) 1.46 (37.1)
7.52 (191.0) 118 1.36 (34.5) 1.44 (36.6)
7.48 (190.0) 120 1.38 (35.0) 1.42 (36.1)
Flange diameter is 10.24" (260 mm)
Undercarriage Code: 1655
417
D7 — 8.50" (215.9 mm)
Cat Classic Undercarriage