E450

E450 —8.50" (215.9 mm) Pins and Bushings for Sealed Track

Internal Wear

Inches (mm) % Worn

34.05 (865.0) 0 34.10 (866.0) 10 34.15 (867.5) 20 34.20 (868.5) 30 34.25 (870.0) 40 34.30 (871.0) 50 34.35 (872.5) 60 34.40 (874.0) 70 34.45 (875.0) 80 34.50 (876.5) 90 34.55 (877.5) 100 34.60 (879.0) 105 34.65 (880.0) 110 34.70 (881.5) 115 34.75 (882.5) 120

E450 —8.50" (215.9 mm) Bushings for Sealed Track

External Wear

Allowable Wear Caliper Lesser Greater Ultrasonic Inches (mm) % Worn % Worn Inches (mm) 2.81 (71.4) 0 0 0.46 (11.7) 2.80 (71.1) 9 7 0.45 (11.4) 2.79 (70.9) 18 14 0.44 (11.2) 2.78 (70.6) 27 21 0.43 (10.9) 2.77 (70.4) 36 28 0.42 (10.7) 2.76 (70.1) 45 35 0.41 (10.4) 2.75 (69.9) 54 42 0.40 (10.2) 2.74 (69.6) 63 49 0.39 (9.9) 2.73 (69.3) 72 56 0.38 (9.7) 2.72 (69.1) 81 63 0.37 (9.4) 2.71 (68.8) 90 70 0.36 (9.1) 2.70 (68.6) 96 76 0.35 (8.9) 2.69 (68.3) 100 79 0.34 (8.6) 2.68 (68.1) 104 82 0.33 (8.4) 2.67 (67.8) 108 85 0.32 (8.1) 2.66 (67.6) 112 88 0.31 (7.9) 2.65 (67.3) 116 91 0.30 (7.6) 2.64 (67.1) 120 94 0.29 (7.4) 2.63 (66.8) 97 0.28 (7.1) 2.62 (66.5) 100 0.27 (6.9) 2.61 (66.3) 103 0.26 (6.6) 2.60 (66.0) 106 0.25 (6.4) 2.59 (65.8) 109 0.24 (6.1) 2.58 (65.5) 112 0.23 (5.8) 2.57 (65.3) 115 0.22 (5.6) 2.56 (65.0) 118 0.21 (5.3) 2.55 (64.8) 121 0.20 (5.1)

Track Shoes

Triple Grouser

.51" (13 mm)

1.02" (26 mm)

Depth Gauge Ultrasonic Inches (mm) % Worn Inches (mm) 1.40 (35.5) 0 1.95 (49.5) 1.35 (34.5) 6 1.90 (48.3) 1.30 (33.0) 12 1.85 (47.0) 1.25 (32.0) 18 1.80 (45.7) 1.20 (30.5) 24 1.75 (44.5) 1.15 (29.0) 30 1.70 (43.2) 1.10 (28.0) 36 1.65 (41.9) 1.05 (26.5) 42 1.60 (40.6) 1.00 (25.5) 48 1.55 (39.4) 0.95 (24.0) 54 1.50 (38.1) 0.90 (23.0) 60 1.45 (36.8) 0.85 (21.5) 65 1.40 (35.6) 0.80 (20.5) 70 1.35 (34.3) 0.75 (19.0) 75 1.30 (33.0) 0.70 (18.0) 80 1.25 (31.8) 0.65 (16.5) 85 1.20 (30.5) 0.60 (15.0) 90 1.15 (29.2) 0.55 (14.0) 95 1.10 (27.9) 0.50 (12.5) 100 1.05 (26.7) 0.45 (11.5) 105 1.00 (25.4) 0.40 (10.0) 110 0.95 (24.1) 0.35 (9.0) 115 0.90 (22.9) 0.30 (7.5) 120 0.85 (21.6)

Idlers

Depth Gauge Ultrasonic Center Flange Wear Inches (mm) % Worn Inches (mm) Inches (mm)

0.88 (22.5) 0 1.06 (26.9) 0.00 (0.0) 0.90 (23.0) 7 1.04 (26.4) 0.02 (0.5) 0.92 (23.5) 14 1.02 (25.9) 0.04 (1.0) 0.94 (24.0) 21 1.00 (25.4) 0.06 (1.5) 0.96 (24.5) 28 0.98 (24.9) 0.08 (2.0) 0.98 (25.0) 35 0.96 (24.4) 0.10 (2.5) 1.00 (25.5) 40 0.94 (23.9) 0.12 (3.0) 1.02 (26.0) 45 0.92 (23.4) 0.14 (3.5) 1.04 (26.5) 50 0.90 (22.9) 0.16 (4.0) 1.06 (27.0) 55 0.88 (22.4) 0.18 (4.5) 1.08 (27.5) 60 0.86 (21.8) 0.20 (5.0) 1.10 (28.0) 65 0.84 (21.3) 0.22 (5.5) 1.12 (28.5) 70 0.82 (20.8) 0.24 (6.0) 1.14 (29.0) 75 0.80 (20.3) 0.26 (6.5) 1.16 (29.5) 80 0.78 (19.8) 0.28 (7.0) 1.18 (30.0) 85 0.76 (19.3) 0.30 (7.5) 1.20 (30.5) 90 0.74 (18.8) 0.32 (8.0) 1.22 (31.0) 95 0.72 (18.3) 0.34 (8.5) 1.24 (31.5) 100 0.70 (17.8) 0.36 (9.0) 1.26 (32.0) 105 0.68 (17.3) 0.38 (9.5) 1.28 (32.5) 110 0.66 (16.8) 0.40 (10.0) 1.30 (33.0) 115 0.64 (16.3) 0.42 (10.5) 1.32 (33.5) 120 0.62 (15.7) 0.44 (11.0)

Flange width: 4.02" (102 mm) NOTE: Ultrasonic measurement is to determine flange wear only.

Carrier Rollers

Caliper Ultrasonic Inches (mm) % Worn Inches (mm)

6.69 (170.0) 0 1.56 (39.6) 6.67 (169.5) 8 1.55 (39.4) 6.65 (169.0) 16 1.54 (39.1) 6.63 (168.5) 24 1.53 (38.9) 6.61 (168.0) 32 1.52 (38.6) 6.59 (167.5) 40 1.51 (38.4) 6.57 (167.0) 48 1.50 (38.1) 6.55 (166.5) 56 1.49 (37.8) 6.53 (166.0) 60 1.48 (37.6) 6.51 (165.5) 64 1.47 (37.3) 6.49 (165.0) 68 1.46 (37.1) 6.47 (164.5) 72 1.45 (36.8) 6.45 (164.0) 76 1.44 (36.6) 6.43 (163.5) 80 1.43 (36.3) 6.41 (163.0) 84 1.42 (36.1) 6.39 (162.5) 88 1.41 (35.8) 6.37 (162.0) 92 1.40 (35.6) 6.35 (161.5) 96 1.39 (35.3) 6.33 (161.0) 100 1.38 (35.1) 6.31 (160.5) 104 1.37 (34.8) 6.29 (160.0) 108 1.36 (34.5) 6.27 (159.5) 112 1.35 (34.3) 6.25 (159.0) 116 1.34 (34.0) 6.23 (158.0) 120 1.33 (33.8)

Track Rollers

Caliper Depth Gauge Ultrasonic Inches (mm) % Worn Inches (mm) Inches (mm)

8.86 (225.0) 0 0.71 (18.0) 2.50 (63.5) 8.82 (224.0) 5 0.73 (18.5) 2.48 (63.0) 8.78 (223.0) 10 0.75 (19.0) 2.46 (62.5) 8.74 (222.0) 15 0.77 (19.5) 2.44 (62.0) 8.70 (221.0) 20 0.79 (20.0) 2.42 (61.5) 8.66 (220.0) 25 0.81 (20.5) 2.40 (61.0) 8.62 (219.0) 30 0.83 (21.0) 2.38 (60.5) 8.58 (218.0) 35 0.85 (21.5) 2.36 (59.9) 8.54 (217.0) 40 0.87 (22.0) 2.34 (59.4) 8.50 (216.0) 45 0.89 (22.5) 2.32 (58.9) 8.46 (215.0) 50 0.91 (23.0) 2.30 (58.4) 8.42 (214.0) 55 0.93 (23.5) 2.28 (57.9) 8.38 (213.0) 60 0.95 (24.0) 2.26 (57.4) 8.34 (212.0) 65 0.97 (24.5) 2.24 (56.9) 8.30 (211.0) 70 0.99 (25.0) 2.22 (56.4) 8.26 (210.0) 75 1.01 (25.5) 2.20 (55.9) 8.22 (209.0) 80 1.03 (26.0) 2.18 (55.4) 8.18 (208.0) 84 1.05 (26.5) 2.16 (54.9) 8.14 (207.0) 88 1.07 (27.0) 2.14 (54.4) 8.10 (205.5) 92 1.09 (27.5) 2.12 (53.8) 8.06 (204.5) 96 1.11 (28.0) 2.10 (53.3) 8.02 (203.5) 100 1.13 (28.5) 2.08 (52.8) 7.98 (202.5) 104 1.15 (29.0) 2.06 (52.3) 7.94 (201.5) 108 1.17 (29.5) 2.04 (51.8) 7.90 (200.5) 112 1.19 (30.0) 2.02 (51.3) 7.86 (199.5) 116 1.21 (30.5) 2.00 (50.8) 7.82 (198.5) 120 1.23 (31.0) 1.98 (50.3)

Flange diameter is 10.28" (261 mm)

Track Links

931984 & 85

Depth Gauge Ultrasonic Inches (mm) % Worn Inches (mm) 5.23 (133.0) 0 1.32 (33.5) 5.21 (132.5) 5 1.30 (33.0) 5.19 (132.0) 10 1.28 (32.5) 5.17 (131.5) 15 1.26 (32.0) 5.15 (131.0) 20 1.24 (31.5) 5.13 (130.5) 25 1.22 (31.0) 5.11 (130.0) 30 1.20 (30.5) 5.09 (129.5) 35 1.18 (30.0) 5.07 (129.0) 40 1.16 (29.5) 5.05 (128.5) 45 1.14 (29.0) 5.03 (128.0) 50 1.12 (28.4) 5.01 (127.5) 55 1.10 (27.9) 4.99 (126.5) 60 1.08 (27.4) 4.97 (126.0) 64 1.06 (26.9) 4.95 (125.5) 68 1.04 (26.4) 4.93 (125.0) 72 1.02 (25.9) 4.91 (124.5) 76 1.00 (25.4) 4.89 (124.0) 80 0.98 (24.9) 4.87 (123.5) 84 0.96 (24.4) 4.85 (123.0) 88 0.94 (23.9) 4.83 (122.5) 92 0.92 (23.4) 4.81 (122.0) 96 0.90 (22.9) 4.79 (121.5) 100 0.88 (22.4) 4.77 (121.0) 104 0.86 (21.8) 4.75 (120.5) 108 0.84 (21.3) 4.73 (120.0) 112 0.82 (20.8) 4.71 (119.5) 116 0.80 (20.3) 4.69 (119.0) 120 0.78 (19.8)