Former Link Service Limits
These former links do not appear on the wear chart pages. But, by using this procedure
and chart, you can calculate the percent worn measurement.
STEP 1 STEP 2
New Link Height - Worn Link Height = Amount Worn Amount Worn
Allowable Wear x 100 = Percent Worn
Track Link New Link Allowable
Model Pitch Part Number Height Wear Service
D2 6.12" 5B3129 & 30 3.00" .25" 2.75"
(155.4 mm) (76.2 mm) (6.4 mm) (69.9 mm)
D3 6.125" 6S3143 & 44 3.18" .26" 2.92"
155.3 mm (81 mm) (7 mm) (74 mm)
D4 6.75" 5K9423 & 24 3.66" .25" 3.41"
(171.5 mm) (93.0 mm) (6.4 mm) (86.6 mm)
6.75" 5K9457 & 58 3.66" .25" 3.41"
(171.5 mm) (93.0 mm) (6.4 mm) (86.6 mm)
6.75" 4K6647 & 48 3.66" .25" 3.41"
(171.5 mm) (93.0 mm) (6.4 mm) (86.6 mm)
6.75" 4K7039 & 40 3.66" .25" 3.41"
(171.5 mm) (93.0 mm) (6.4 mm) (86.6 mm)
6.75" 6B4645 & 46 3.53" .25" 3.28"
(171.5 mm) (87.7 mm) (6.4 mm) (83.3 mm)
D5 6.91" 5S683 & 84 4.06" .37" 3.69"
(175.5 mm) (103.1 mm) (9.4 mm) (93.7 mm)
D6 8.00" 9M5627 & 28 4.50" .30" 4.20"
(203.2 mm) (114.3 mm) (7.6 mm) (106.7 mm)
6.75" 2S5959 & 60 4.00" .34" 3.66"
(171.5 mm) (101.5 mm) (8.6 mm) (93.0 mm)
6.75" 7M8863 & 64 3.91" .30" 3.61"
(171.5 mm) (99.3 mm) (7.6 mm) (91.7 mm)
6.75" 1M1431 & 32 3.91" .30" 3.61"
(171.5 mm) (99.3 mm) (7.6 mm) (91.7 mm)
6.75" 5H8679 & 80 3.78" .30" 3.48"
(171.5 mm) (96.0 mm) (7.6 mm) (88.4 mm)
D7 8.50" 2S1749 & 50 4.75" .35" 4.40"
(215.9 mm) (120.7 mm) (8.9 mm) (111.8 mm)
8.50" 1M9001 & 02 4.75" .35" 4.40"
(215.9 mm) (120.7 mm) (8.9 mm) (111.8 mm)
8.00" 1S6433 & 34 4.63" .38" 4.25"
(203.2 mm) (117.6 mm) (9.7 mm) (108.0 mm)
8.00" 7M8085 & 86 4.50" .38" 4.12"
(203.2 mm) (114.3 mm) (9.7 mm) (104.6 mm)
34
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