Measurement Guide
Table Of Contents
- Instructions for Measuring Your Truck Bed for a UWS Tool Box or Transfer Tank Truck tool boxes and transfer tanks can add extra utility and function to your pickup truck. However, getting the wrong size tool box or transfer tank can be quite frustra...
- Key Considerations & Definitions to Know Before Starting
- Written, Step-by-Step Instructions for Measuring Your Truck Bed for a Tool Box or Transfer Tank
- Step 1: Start by Measuring the Exterior Bed Rail Width — From A to B
- Step 2: Measure the Interior Wheel Well Rail Width — From C to D
- Step 3: For Transfer Tank Fitment, Measure the Wheel Well Width — From E to F
- Step 4: Measure the Vertical Bed Depth — From G to H
- Step 5: Measure the Length from the Forward Bulkhead to the Wheel Well Hump — From I to K
- Step 6: For Towing Applications, Measure the Length from the Forward Bulkhead to Tow Hitch — From I to J (Optional)
- Finally, You're Ready to Make Your Purchase & Install Your Truck Bed Tool Box or Transfer Tank
well hump begins and take your measurement to note how much space there is between the
bulkhead and where the wheel well begins. Place a piece of tape on the bed rail at this
measurement.
Be sure to write down this number and note as "distance to wheel well".
In the example above, the distance from I to K is 20". The piece of tape is placed on the bed
rail at the 20" mark.
Continuing on the previous measurement, you will measure downwards from the tape towards
the wheel well hump.
Measure the distance from the frame rail to where the wheel well hump begins. Be sure to
write down this number and note as "wheel well depth."
The distance from the bed rail to the wheel well hump in this example is about 14"
Step 6: For Towing Applications, Measure the Length from the Forward
Bulkhead to Tow Hitch — From I to J (Optional)
This step is essential for trucks equipped with 5th wheel or gooseneck hitches.
Finally, if you plan to tow and have 5th wheel frame rails or a gooseneck ball in the bed of your
truck, you will measure from the outside lip of the bed bulkhead — that's the lip of the wall of