Idlers
Extended Life Idler
Has circulator side plate indentations
Depth Gauge Ultrasonic Center Flange Wear
Inches (mm) % Worn Inches (mm) Inches (mm)
0.94 (24.0) 0 0.49 (12.4) 0.00 (0.0)
0.96 (24.5) 4 0.47 (11.9) 0.02 (0.5)
0.98 (25.0) 8 0.45 (11.4) 0.04 (1.0)
1.00 (25.5) 12 0.43 (10.9) 0.06 (1.5)
1.02 (26.0) 16 0.41 (10.4) 0.08 (2.0)
1.04 (26.5) 20 0.39 (9.9) 0.10 (2.5)
1.06 (27.0) 24 0.37 (9.4) 0.12 (3.0)
1.08 (27.5) 28 0.35 (8.9) 0.14 (3.5)
1.10 (28.0) 32 0.33 (8.4) 0.16 (4.0)
1.12 (28.5) 36 0.31 (7.9) 0.18 (4.5)
1.14 (29.0) 40 0.29 (7.4) 0.20 (5.0)
1.16 (29.5) 44 0.27 (6.9) 0.22 (5.5)
1.18 (30.0) 48 0.25 (6.3) 0.24 (6.0)
1.20 (30.5) 50 0.23 (5.8) 0.26 (6.5)
1.22 (31.0) 52 0.21 (5.3) 0.28 (7.0)
1.24 (31.5) 54 0.19 (4.8) 0.30 (7.5)
1.26 (32.0) 56 0.17 (4.3) 0.32 (8.0)
1.28 (32.5) 58 0.15 (3.8) 0.34 (8.5)
1.30 (33.0) 60 0.13 (3.3) 0.36 (9.0)
1.32 (33.5) 62 0.11 (2.8) 0.38 (9.5)
1.34 (34.0) 64 0.09 (2.3) 0.40 (10.0)
1.36 (34.5) 66 0.07 (1.8) 0.42 (10.5)
1.38 (35.0) 68 0.05 (1.3) 0.44 (11.0)
1.40 (35.5) 70 0.03 (0.8) 0.46 (11.5)
1.42 (36.0) 72 0.01 (0.3) 0.48 (12.0)
1.44 (36.5) 74
NOTE: Ultrasonic measurement is to determine
1.46 (37.0) 76
flange wear only.
1.48 (37.5) 78
1.50 (38.0) 80
1.52 (38.5) 82
1.54 (39.0) 84
1.56 (39.5) 86
1.58 (40.0) 88
1.60 (40.5) 90
1.62 (41.0) 92
1.64 (41.5) 94
1.66 (42.0) 96
1.68 (42.5) 98
1.70 (43.0) 100
1.72 (43.5) 102
1.74 (44.0) 104
1.76 (44.5) 106
1.78 (45.0) 108
1.80 (45.5) 110
1.82 (46.0) 112
1.84 (46.5) 114
1.86 (47.0) 116
1.88 (48.0) 118
1.90 (48.5) 120
Flange width: 3.74" (95 mm)
Undercarriage Code: 1581
158
D6H, D6R, 527 — 8.00" (203.2 mm)
Elevated Sprocket Machines