Calculating Line Pull

Winch and Hoist Application Guidelines

Pulling Application Req's

Required Line Pull = W x (GR + CF)
W = Weight
CF = Coefficient of Friction
GR = Grade Resistance

Coefficients of Friction

~.40-.60 Steel on Steel
~.40-.60 Wood on Concrete
~.30-.70 Steel on Concrete
~.02-.05 Load on Wheels
~.05-.10 Load on Rollers

Grade Resistance

% Grade
GR
50.050
100.100
200.196
300.288
400.372
500.448
600.513
700.573
800.624
900.669
1000.701
2000.896
4000.970
Vertical1.000

Allied Power Products, Inc. has specialized in providing winches, hoists, capstans and cranes to meet our customers’ specific application requirements for more than 30 years. Contact us today for a solution to your application needs.