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Recommended tire pressures 1 for cold
tires. The recommended tire pressures are
valid for the maximum permissible load and
up to the maximum permissible vehicle
speed.
Please also note:
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Information on permissible weights and loads
on the vehicle identification plate
(/ page 450).
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Information on tire pressure in the tire pres‐
sure t able (/ page 420).
Further related subjects:
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Determining the maximum permissible load
(/ page 427)
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Notes on tire pressure (/ page 419).
Determining the maximum permissible load
The following steps have been developed as
required of all manufacturers under Title 49,
Code of U.S. Federal Regulations, Part 575, pur‐
suant to the "National Traffic and Motor Vehicle
Safety Act of 1966".
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Step 1: locate the statement "The combined
weight of occupants and load should never
exceed XXX kg or XXX lbs." ("The combined
weight of occupants and load should never
exceed XXX kg or XXX lbs.") on your vehicle's
Tire and Loading Information placard.
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Step 2: determine the combined weight of
the driver and passengers that will be travel‐
ing in your vehicle.
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Step 3: subtract the combined weight of the
driver and passengers from XXX kg or
XXX lbs.
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Step 4: the resulting figure equals the per‐
missible cargo and luggage load capacity. For
example: If "XXX" equals 1400 lbs and there
are five occupants in your vehicle with a
weight of 150 lbs each, the maximum cargo
and luggage load capacity is 650 lbs (1400 -
750 (5 x 150) = 650 lbs).
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Step 5: determine the combined weight of
luggage and load that the vehicle will be car‐
rying. For safety reasons, this weight may not
safely exceed the available cargo and lug‐
gage load capacity calculated in step 4.
Even if you have calculated the total load care‐
fully, you should still make sure that the maxi‐
mum permissible gross mass and the maximum
permissible axle load of your vehicle are not
exceeded. Details can be found on the vehicle
identification plate.
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Have your loaded vehicle – including driver,
occupants and load – weighed on a vehicle
weighbridge.
The measured values may not exceed the
maximum permissible values stated on the
vehicle identification plate.
Further related subjects:
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Calculation example for determining the max‐
imum load (/ page 428)
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Tire and Loading Information placard
(/ page 426)
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Tire pressure table (/ page 420)
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Vehicle identification plate
Wheels and tires
427
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