Winches are sold without wire rope. The breaking strength of new wire rope should be 5 times the size of the largest load for lifting application and 3 times the size of the largest load for pulling applications.
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Breaking Strength of 7x19 Wire Rope (lb)
Wire Rope Diameter (inch)
Galvanized Aircraft Cable
304 Stainless Steel Wire Rope
1/8"
3,000
1,760
3/16"
4,200
3,700
1/4"
7,000
6,400
5/16"
9,800
9,000
3/8"
14,400
12,000
Breaking Strength of 6x37 Wire Rope (lb)
Wire Rope Diameter (inch)
IWRC IPS (Improved Plow Steel) Wire Rope
IWRC EIPS (Extra Improved Plow Steel) Wire Rope
3/8"
12,400
15,100
7/16"
16,500
20,400
1/2"
23,000
26,600
9/16"
29,000
33,600
5/8"
35,800
41,200
3/4"
51,200
58,800
7/8"
69,200
79,600
1"
89,800
103,400
1-1/8"
113,000
130,000
1-1/4"
138,800
159,800
1-1/2"
197,800
228,000
Values shown are for reference only. When selecting a wire rope, use the breaking strength specified by the rope manufacturer.