OTR Winch Load Calculator
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 and Load Weight, Slope Degrees and Ground Effect Percentage from a drop down menu and 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 and 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 and you can then see what the maximum winch load you would likely ever have so you never get stuck again.

Download the winch load calculator here

OTR Metric Tire Size Calculator
OTR Trading made yet another handy application for all the 4x4 extreme fanatics out there. As any 4x4 or car enthusiast should know, when you are dealing with formulas dealing with gear ratios and such - you will need to know the tire diameter in inches. This calculator will offer just that for you and allow you to quickly work out the inches diameter from your metric size of your tires for your 4x4 or your normal road car.

The great part about this calculator is that you can work out any of the data you are missing and so it is not only a tire diameter calculator. Let's start with its basic functionality of working out the tire diamter for your 4x4 vehicle:
You will enter the specifications of your tire (for your P or LT which mean passenger vehicle or light truck or 4x4). For example if you enter LT275/95/R18 into our tire size calculator it would easily tell you that the tire diameter of your 4x4 is 38.6 inches. It will also be able to tell you the section width as well as the section height.

A fantastic feature of this calculator is that it lets you calculate any of the values if you enter the three other values.

This calculator lets you work out the following, all in one!:
- You can solve the section width of your 4x4 light truck / vehicle or normal for your normal road / passenger car.
- You can solve the aspect ration (width) of your 4x4 tires.
- You can solve the rim or mag diameter of your 4x4 wheels.
- You can solve the tire diameter or size of your 4x4 wheels.
- Lastly, you can solve the section height of your 4x4 trucks tires.

This is a calculator that no 4x4 extreme or 4x4 hobbyist should be without as it will make life a breeze when it comes to doing your gear ratio and other calculations that require these details for your 4x4 vehicle.
We hope you enjoy this 4x4 'off the road' tire size calculator.

If you are interested in 4x4 off road tires, 4x4 mags or rims as well as 4x4 winches, accessories or even on road tires, be sure to visit our site!

Downlaod the OTR Metric Tire Size Calculator