EXTRA IMPROVED PLOW STEEL IWRC
RATED CAPACITY IN TONS
 

ROPE
DIAMETER
(INCHES) 
SINGLE LEG
VERTICAL CHOKER VERTICAL
BASKET
3/16 1.6 1.4 3.2
1/4 2.9 2.5 5.7
5/16 4.4 3.9 8.8
3/8 6.3 5.5 13
7/16 8.6 7.5 17
1/2 11 9.8 22
9/16 14 12 28
5/8 17 15 35
3/4 25 22 49
7/8 33 29 67
1 43 38 87
1 1/8 55 48 109
1 1/4 67 59 134
1 3/8 81 71 161
1 1/2 96 84 191
1 5/8 111 97 222
1 3/4 128 112 257
1 7/8 146 128 292
2 166 145 332
Rated Capacities basket hitch based on D/d ration of 25 times the component rope diameter
Rated capacities based on pin diameter no larger than natural eye width or less than the nominal sling diameter
Rated capacities based on design factor of 5
Horizontal sling angles less than 30 degrees shall not be used
Rated capacities shown apply only to 6x19, 7x19, and 6x37 classification wire rope