Idlers
Extended Life Idler
Depth Gauge Ultrasonic Center Flange Wear
Inches (mm) % Worn Inches (mm) Inches (mm)
0.94 (24.0) 0 0.40 (10.2) 0.00 (0.0)
0.96 (24.5) 4 0.38 (9.7) 0.02 (0.5)
0.98 (25.0) 8 0.36 (9.1) 0.04 (1.0)
1.00 (25.5) 12 0.34 (8.6) 0.06 (1.5)
1.02 (26.0) 16 0.32 (8.1) 0.08 (2.0)
1.04 (26.5) 20 0.30 (7.6) 0.10 (2.5)
1.06 (27.0) 24 0.28 (7.1) 0.12 (3.0)
1.08 (27.5) 28 0.26 (6.6) 0.14 (3.5)
1.10 (28.0) 32 0.24 (6.1) 0.16 (4.0)
1.12 (28.5) 36 0.22 (5.6) 0.18 (4.5)
1.14 (29.0) 40 0.20 (5.1) 0.20 (5.0)
1.16 (29.5) 44 0.18 (4.6) 0.22 (5.5)
1.18 (30.0) 48 0.16 (4.1) 0.24 (6.0)
1.20 (30.5) 52 0.14 (3.6) 0.26 (6.5)
1.22 (31.0) 56 0.12 (3.0) 0.28 (7.0)
1.24 (31.5) 60 0.10 (2.5) 0.30 (7.5)
1.26 (32.0) 64 0.08 (2.0) 0.32 (8.0)
1.28 (32.5) 68 0.06 (1.5) 0.34 (8.5)
1.30 (33.0) 72 0.04 (1.0) 0.36 (9.0)
1.32 (33.5) 76 0.02 (0.5) 0.38 (9.5)
1.34 (34.0) 78
NOTE: Ultrasonic measurement is to determine
1.36 (34.5) 80
flange wear only.
1.38 (35.0) 82
1.40 (35.5) 84
1.42 (36.0) 86
1.44 (36.5) 88
1.46 (37.0) 90
1.48 (37.5) 92
1.50 (38.0) 94
1.52 (38.5) 96
1.54 (39.0) 98
1.56 (39.5) 100
1.58 (40.0) 102
1.60 (40.5) 104
1.62 (41.0) 106
1.64 (41.5) 108
1.66 (42.0) 110
1.68 (42.5) 112
1.70 (43.0) 114
1.72 (43.5) 116
1.74 (44.0) 118
1.76 (44.5) 120
Flange width: 3.31" (84 mm)
Undercarriage Code: 1411, 146, 1461
138
D5H, D6M, D6N, 517 — 7.50" (190 mm)
Elevated Sprocket Machines
6.80" (172.8 mm)