Off The Road Winch Load Calculator Version 1 descriptions OTR Trading has made this winch load calculator available to you for you to work out the load that a 4x4 winch would take based on the parameters you feed it. You can use this 4x4 winch load calculator on an electric or hydraulic winch scenario. You enter your vehicles Total Weight & Load Weight Slope Degrees & Ground Effect Percentage from a drop down menu & it will make all the calculations to see what 4x4 winch load rating would suit you. One doesnt easily come by a winch load calculator & that is why Off The Road Trading decided to make this little application to make it easier for everyone out there looking to get an electric or hydraulic winch. Since most people dont know what kind of rated winch they should get it is a common question which often needs to be answered by a winch sales person but no more is that needed with OTRs winch load calculator. If you want to be really safe you can enter extreme values for all the required fields of the winch load calculator & you can then see what the maximum winch load you would likely ever have so you never get stuck again.