Idlers
Extended Life Idlers
(Has circular side plate indentations)
Depth Gauge Ultrasonic Center Flange Wear
Inches (mm) % Worn Inches (mm) Inches (mm)
0.78 (20.0) 0 0.49 (12.4) 0.00 (0.0)
0.80 (20.5) 6 0.47 (11.9) 0.02 (0.5)
0.82 (21.0) 12 0.45 (11.4) 0.04 (1.0)
0.84 (21.5) 18 0.43 (10.9) 0.06 (1.5)
0.86 (22.0) 24 0.41 (10.4) 0.08 (2.0)
0.88 (22.5) 30 0.39 (9.9) 0.10 (2.5)
0.90 (23.0) 36 0.37 (9.4) 0.12 (3.0)
0.92 (23.5) 42 0.35 (8.9) 0.14 (3.5)
0.94 (24.0) 48 0.33 (8.4) 0.16 (4.0)
0.96 (24.5) 54 0.31 (7.9) 0.18 (4.5)
0.98 (25.0) 60 0.29 (7.4) 0.20 (5.0)
1.00 (25.5) 66 0.27 (6.9) 0.22 (5.5)
1.02 (26.0) 72 0.25 (6.3) 0.24 (6.0)
1.04 (26.5) 76 0.23 (5.8) 0.26 (6.5)
1.06 (27.0) 78 0.21 (5.3) 0.28 (7.0)
1.08 (27.5) 80 0.19 (4.8) 0.30 (7.5)
1.10 (28.0) 82 0.17 (4.3) 0.32 (8.0)
1.12 (28.5) 84 0.15 (3.8) 0.34 (8.5)
1.14 (29.0) 86 0.13 (3.3) 0.36 (9.0)
1.16 (29.5) 88 0.11 (2.8) 0.38 (9.5)
1.18 (30.0) 90 0.09 (2.3) 0.40 (10.0)
1.20 (30.5) 92 0.07 (1.8) 0.42 (10.5)
1.22 (31.0) 94 0.05 (1.3) 0.44 (11.0)
1.24 (31.5) 96 0.03 (0.8) 0.46 (11.5)
1.26 (32.0) 98 0.01 (0.3) 0.48 (12.0)
1.28 (32.5) 100
NOTE: Ultrasonic measurement is to determine
1.30 (33.0) 102
flange wear only.
1.32 (33.5) 104
1.34 (34.0) 106
1.36 (34.5) 108
1.38 (35.0) 110
1.40 (35.5) 112
1.42 (36.0) 114
1.44 (36.5) 116
1.46 (37.0) 118
1.48 (37.5) 120
Flange width: 3.74" (95 mm)
Undercarriage Code: 154, 1551, 353
340
D6, 955 — 8.00" (203.2 mm)
Low Sprocket Machines