Axle Spacing Report Calculator Help
This is a tool
to help you calculate permitted and legal weights. It will not print a valid axle
spacing report. This page can be printed by following the instructions below (see
Spacing Report Number – Allows an existing axle spacing report to be displayed
(for axle spacing report numbers 10001 and greater only). Enter the desired axle
spacing report number and click Look Up. This is helpful if a previous axle spacing
report has axle spacing and tire values that close resemble the desired vehicle
No. – Indicates a specific axle on the vehicle, where axle number
1 represents the front axle of the combination.
spacing (ft). This can be entered in two different ways:
Feet with hundredths
of a foot; 23.50
Feet – inches; 23-6
(Remember to use “–“ to separate feet and inches)
per Axle – Number of tires on that entire axle.
size – This can be entered as metric or inches. Inches can be specified
in hundredths (for example, 12.75).
Axle and Drop axle – This has three functions – You can click on it for
To designate steer axle
steered by the driver – Click on STEER AXLE
To designate a self-steering
drop axle - Click both STEER and DROP AXLE
To designate a non-steering
drop axle – Click only DROP AXLE
– Once you have entered the above values, click “Calculate” at the top of the page
to calculate permitted and legal weights.
Weight - These fields will automatically populate with the maximum weights
allowed per axle. Keep in mind there are other factors to consider (spacing, number
of tires, tire size) Example: Each axle of a tandem is allowed 22,000 lbs. maximum
but the two axles together can not exceed 43,000 lbs. because that is the tandem
Refer to Axle Restrictions
and Remarks for additional weight restrictions on axles that have a “*” following
their Permitted Weight value.
Total Permitted and
These fields will populate
with the maximum weights allowed for the configuration using tire size, axle spacings
and axle weights.
This will be for normal loads, to see if a permit for the desired weight can be
issued for a specific vehicle combination. This tool cannot be used on loads such
as the cranes, grandfathered vehicles and 8 tire axles. It also cannot be used for
super loads. Super loads are limited not only by RCW weights but each bridge structure
that the load affects on its route.
Axles: Click to display additional axles if you require more than 10 axles.
This field will populate
with the weight limits per axle groups listed.
To print the calculated
weight information, click File/Page Setup and change your left and right print margins
to .25 inches and click OK. Then click File/Print to send the page to your printer.