Track Rollers
Caliper Depth Gauge Ultrasonic
Inches (mm) % Worn Inches (mm) Inches (mm)
7.09 (180.0) 0 0.63 (16.0) 2.01 (51.1)
7.07 (179.5) 4 0.64 (16.5) 2.00 (50.8)
7.05 (179.0) 8 0.65 (16.5) 1.99 (50.5)
7.03 (178.5) 12 0.66 (17.0) 1.98 (50.3)
7.01 (178.0) 16 0.67 (17.0) 1.97 (50.0)
6.99 (177.5) 20 0.68 (17.5) 1.96 (49.8)
6.97 (177.0) 24 0.69 (17.5) 1.95 (49.5)
6.95 (176.5) 28 0.70 (18.0) 1.94 (49.3)
6.93 (176.0) 32 0.71 (18.0) 1.93 (49.0)
6.91 (175.5) 36 0.72 (18.5) 1.92 (48.8)
6.89 (175.0) 40 0.73 (18.5) 1.91 (48.5)
6.87 (174.5) 44 0.74 (19.0) 1.90 (48.3)
6.85 (174.0) 48 0.75 (19.0) 1.89 (48.0)
6.83 (173.5) 52 0.76 (19.5) 1.88 (47.8)
6.81 (173.0) 56 0.77 (19.5) 1.87 (47.5)
6.79 (172.5) 60 0.78 (20.0) 1.86 (47.2)
6.77 (172.0) 64 0.79 (20.0) 1.85 (47.0)
6.75 (171.5) 68 0.80 (20.5) 1.84 (46.7)
6.73 (171.0) 70 0.81 (20.5) 1.83 (46.5)
6.71 (170.5) 72 0.82 (21.0) 1.82 (46.2)
6.69 (170.0) 74 0.83 (21.0) 1.81 (46.0)
6.67 (169.5) 76 0.84 (21.5) 1.80 (45.7)
6.65 (169.0) 78 0.85 (21.5) 1.79 (45.5)
6.63 (168.5) 80 0.86 (22.0) 1.78 (45.2)
6.61 (168.0) 82 0.87 (22.0) 1.77 (45.0)
6.59 (167.5) 84 0.88 (22.5) 1.76 (44.7)
6.57 (167.0) 86 0.89 (22.5) 1.75 (44.5)
6.55 (166.5) 88 0.90 (23.0) 1.74 (44.2)
6.53 (166.0) 90 0.91 (23.0) 1.73 (43.9)
6.51 (165.5) 92 0.92 (23.5) 1.72 (43.7)
6.49 (165.0) 94 0.93 (23.5) 1.71 (43.4)
6.47 (164.5) 96 0.94 (24.0) 1.70 (43.2)
6.45 (164.0) 98 0.95 (24.0) 1.69 (42.9)
6.43 (163.5) 100 0.96 (24.5) 1.68 (42.7)
6.41 (163.0) 102 0.97 (24.5) 1.67 (42.4)
6.39 (162.5) 104 0.98 (25.0) 1.66 (42.2)
6.37 (162.0) 106 0.99 (25.0) 1.65 (41.9)
6.35 (161.5) 108 1.00 (25.5) 1.64 (41.7)
6.33 (161.0) 110 1.01 (25.5) 1.63 (41.4)
6.31 (160.5) 112 1.02 (26.0) 1.62 (41.1)
6.29 (160.0) 114 1.03 (26.0) 1.61 (40.9)
6.27 (159.5) 116 1.04 (26.5) 1.60 (40.6)
6.25 (159.0) 118 1.05 (26.5) 1.59 (40.4)
6.23 (158.0) 120 1.06 (27.0) 1.58 (40.1)
Flange diameter is 8.35" (212 mm)
Undercarriage Code: 607, 608
767
E300B, EL300B, EL300 — 8.00" (203.2 mm)
Excavators