WEAR LIMIT CHECKS UNDERCARRIAGE
14 - 7
SPECIFICATIONS - D39E-1 OR D39P-1
STANDARD GROUSER HEIGHT
100% REMAINING 53.6 mm (2.11 in) 25% REMAINING 30.2 mm (1.19 in)
75% REMAINING 46.0 mm (1.81 in) 0% REMAINING 22.4 mm (0.88 in)
50% REMAINING 38.1 mm (1.50 in) WEAR FACTOR 31.2 mm (1.23 in)
LINK HEIGHT
100% REMAINING 97.0 mm (3.82 in) 25% REMAINING 90.9 mm (3.58 in)
75% REMAINING 95.0 mm (3.74 in) 0% REMAINING 88.9 mm (3.50 in)
50% REMAINING 93.0 mm (3.66 in) WEAR FACTOR 8.1 mm (0.32 in)
BUSHING OD - DRY SEALED TRACK SYSTEM
100% REMAINING 53.8 mm (2.12 in) 25% REMAINING 51.6 mm (2.03 in)
75% REMAINING 53.1 mm (2.09 in) 0% REMAINING 50.8 mm (2.00 in)
50% REMAINING 52.3 mm (2.06 in) WEAR FACTOR 3.0 mm (0.12 in)
BUSHING OD - LUBRICATED TRACK SYSTEM
100% REMAINING 53.8 mm (2.12 in) 25% REMAINING 50.0 mm (1.97 in)
75% REMAINING 52.6 mm (2.07 in) 0% REMAINING 48.8 mm (1.92 in)
50% REMAINING 51.3 mm (2.02 in) WEAR FACTOR 5.1 mm (0.20 in)
INTERNAL PIN AND BUSHING WEAR (PITCH)
100% REMAINING 660.4 mm (26.00 in) 25% REMAINING 670.1 mm (26.38 in)
75% REMAINING 663.4 mm (26.12 in) 0% REMAINING 673.1 mm (26.50 in)
50% REMAINING 666.8 mm (26.25 in) WEAR FACTOR 12.7 mm (0.50 in)
FRONT IDLER FLANGE HEIGHT
100% REMAINING 17.8 mm (0.70 in) 25% REMAINING 22.4 mm (0.88 in)
75% REMAINING 19.3 mm (0.76 in) 0% REMAINING 23.9 mm (0.94 in)
50% REMAINING 20.8 mm (0.82 in) WEAR FACTOR 6.1 mm (0.24 in)
New Front Idler Flange Diameter 581.7 mm (22.9 in) New Front Idler Wear Diameter 546.1 mm (21.5 in)
TRACK ROLLER DIAMETER
100% REMAINING 187.5 mm (7.38 in) 25% REMAINING 173.0 mm (6.81 in)
75% REMAINING 182.6 mm (7.19 in) 0% REMAINING 168.4 mm (6.63 in)
50% REMAINING 177.8 mm (7.00 in) WEAR FACTOR 19.1 mm (0.75 in)
TOP IDLER DIAMETER
100% REMAINING 152.4 mm (6.00 in) 25% REMAINING 142.7 mm (5.62 in)
75% REMAINING 149.1 mm (5.87 in) 0% REMAINING 139.7 mm (5.50 in)
50% REMAINING 146.1 mm (5.75 in) WEAR FACTOR 12.7 mm (0.50 in)
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