IBLS Coupler and Safety Chain Standards
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Layout
Scale | Gauge | Couple Height (CH) | Chain Offset (CO) |
3/4" | 3-1/2" | 2-1/4 | |
1" | 4-3/4" | 4-7/16 | |
1-1/2" | 7-1/4" | 4-7/16" +0" -3/16" | 2-1/2" +/- 1/4" |
1-1/2" | 7-1/2" | 4-7/16" +0" -3/16" | 2-1/2" +/- 1/4" |
1.6" | 7-1/2" | 4-7/16" +0 -3/16" | 2-1/2" +/- 1/4" |