Track Rollers
9S Rim
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
8.01 (203.5) 0 0.65 (16.5) 1.88 (47.8)
7.97 (202.5) 6 0.67 (17.0) 1.86 (47.2)
7.93 (201.5) 12 0.69 (17.5) 1.84 (46.7)
7.89 (200.5) 18 0.71 (18.0) 1.82 (46.2)
7.85 (199.5) 24 0.73 (18.5) 1.80 (45.7)
7.81 (198.5) 30 0.75 (19.0) 1.78 (45.2)
7.77 (197.5) 36 0.77 (19.5) 1.76 (44.7)
7.73 (196.5) 42 0.79 (20.0) 1.74 (44.2)
7.69 (195.5) 48 0.81 (20.5) 1.72 (43.7)
7.65 (194.5) 54 0.83 (21.0) 1.70 (43.2)
7.61 (193.5) 60 0.85 (21.5) 1.68 (42.7)
7.57 (192.5) 66 0.87 (22.0) 1.66 (42.2)
7.53 (191.5) 72 0.89 (22.5) 1.64 (41.7)
7.49 (190.0) 76 0.91 (23.0) 1.62 (41.1)
7.45 (189.0) 80 0.93 (23.5) 1.60 (40.6)
7.41 (188.0) 84 0.95 (24.0) 1.58 (40.1)
7.37 (187.0) 88 0.97 (24.5) 1.56 (39.6)
7.33 (186.0) 92 0.99 (25.0) 1.54 (39.1)
7.29 (185.0) 96 1.01 (25.5) 1.52 (38.6)
7.25 (184.0) 100 1.03 (26.0) 1.50 (38.1)
7.21 (183.0) 104 1.05 (26.5) 1.48 (37.6)
7.17 (182.0) 108 1.07 (27.0) 1.46 (37.1)
7.13 (181.0) 112 1.09 (27.5) 1.44 (36.6)
7.09 (180.0) 116 1.11 (28.0) 1.42 (36.1)
7.05 (179.0) 120 1.13 (28.5) 1.40 (35.6)
Flange diameter is 9.31" (236 mm)
Undercarriage Code: 433, 452
644
225, 219, 215 S.A., FB221, FB217, DL221 — 7.50" (190 mm) & 6.91" (175.5 mm)
Excavators