Track Rollers
9G Rim
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
9.56 (243.0) 0 0.88 (22.5) 2.40 (61.0)
9.52 (242.0) 4 0.90 (23.0) 2.38 (60.5)
9.48 (241.0) 8 0.92 (23.5) 2.36 (59.9)
9.44 (240.0) 12 0.94 (24.0) 2.34 (59.4)
9.40 (239.0) 16 0.96 (24.5) 2.32 (58.9)
9.36 (237.5) 20 0.98 (25.0) 2.30 (58.4)
9.32 (236.5) 24 1.00 (25.5) 2.28 (57.9)
9.28 (235.5) 28 1.02 (26.0) 2.26 (57.4)
9.24 (234.5) 32 1.04 (26.5) 2.24 (56.9)
9.20 (233.5) 36 1.06 (27.0) 2.22 (56.4)
9.16 (232.5) 40 1.08 (27.5) 2.20 (55.9)
9.12 (231.5) 44 1.10 (28.0) 2.18 (55.4)
9.08 (230.5) 48 1.12 (28.5) 2.16 (54.9)
9.04 (229.5) 52 1.14 (29.0) 2.14 (54.4)
9.00 (228.5) 56 1.16 (29.5) 2.12 (53.8)
8.96 (227.5) 60 1.18 (30.0) 2.10 (53.3)
8.92 (226.5) 64 1.20 (30.5) 2.08 (52.8)
8.88 (225.5) 68 1.22 (31.0) 2.06 (52.3)
8.84 (224.5) 72 1.24 (31.5) 2.04 (51.8)
8.80 (223.5) 76 1.26 (32.0) 2.02 (51.3)
8.76 (222.5) 80 1.28 (32.5) 2.00 (50.8)
8.72 (221.5) 84 1.30 (33.0) 1.98 (50.3)
8.68 (220.5) 88 1.32 (33.5) 1.96 (49.8)
8.64 (219.5) 92 1.34 (34.0) 1.94 (49.3)
8.60 (218.5) 96 1.36 (34.5) 1.92 (48.8)
8.56 (217.5) 100 1.38 (35.0) 1.90 (48.3)
8.52 (216.5) 103 1.40 (35.5) 1.88 (47.8)
8.48 (215.5) 106 1.42 (36.0) 1.86 (47.2)
8.44 (214.5) 109 1.44 (36.5) 1.84 (46.7)
8.40 (213.5) 112 1.46 (37.0) 1.82 (46.2)
8.36 (212.5) 115 1.48 (37.5) 1.80 (45.7)
8.32 (211.5) 118 1.50 (38.0) 1.78 (45.2)
8.28 (210.5) 121 1.52 (38.5) 1.76 (44.7)
Flange diameter is 11.31" (287 mm)
Undercarriage Code: 491
701
245 — 10.25" (260.4 mm)
Excavators