Idlers
Depth Gauge Ultrasonic Center Flange Wear
Inches (mm) % Worn Inches (mm) Inches (mm)
0.74 (19.0) 0 0.41 (10.4) 0.00 (0.0)
0.76 (19.5) 12 0.39 (9.9) 0.02 (0.5)
0.78 (20.0) 24 0.37 (9.4) 0.04 (1.0)
0.80 (20.5) 36 0.35 (8.9) 0.06 (1.5)
0.82 (21.0) 48 0.33 (8.4) 0.08 (2.0)
0.84 (21.5) 52 0.31 (7.9) 0.10 (2.5)
0.86 (22.0) 55 0.29 (7.4) 0.12 (3.0)
0.88 (22.5) 58 0.27 (6.9) 0.14 (3.5)
0.90 (23.0) 61 0.25 (6.4) 0.16 (4.0)
0.92 (23.5) 64 0.23 (5.8) 0.18 (4.5)
0.94 (24.0) 67 0.21 (5.3) 0.20 (5.0)
0.96 (24.5) 70 0.19 (4.8) 0.22 (5.5)
0.98 (25.0) 73 0.17 (4.3) 0.24 (6.0)
1.00 (25.5) 76 0.15 (3.8) 0.26 (6.5)
1.02 (26.0) 79 0.13 (3.3) 0.28 (7.0)
1.04 (26.5) 82 0.11 (2.8) 0.30 (7.5)
1.06 (27.0) 85 0.09 (2.3) 0.32 (8.0)
1.08 (27.5) 88 0.07 (1.8) 0.34 (8.5)
1.10 (28.0) 91 0.05 (1.3) 0.36 (9.0)
1.12 (28.5) 94 0.03 (0.8) 0.38 (9.5)
1.14 (29.0) 97 0.01 (0.3) 0.40 (10.0)
1.16 (29.5) 100
NOTE: Ultrasonic measurement is to determine
1.18 (30.0) 103
flange wear only.
1.20 (30.5) 106
1.22 (31.0) 109
1.24 (31.5) 112
1.26 (32.0) 115
1.28 (32.5) 118
1.30 (33.0) 121
NOTE: Ultrasonic measurement is to determine
flange wear only. Flange width: 3.74" (95 mm)
Undercarriage Code: 1315
396
D5B — 6.91" (175.5 mm)
Cat Classic Undercarriage