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In 1963 the standard 2x4-wheel trucks 169000 GRL
(LDLMT+LTWT) was increased to 177000.
Yes, the GRL categories are based on journal size.
On 5/21/2022 9:44 AM, Edward wrote:
Just a note here.
\When a car is reweighed and re-stenciled, both the LDLMT and
LTWT are done, along with the weigh station's code and date.
Those two measurements are interrelated and based on the
carrying capacity of the journals in the trucks.
For example, a 100,000 LB capacity 40' car has a combined LD LMT
and LT WT of 169,000 LBS minus the LT WT to get the stenciled LD
So, when adding LD LMT and LT WT together, you get the maximum
rating for the journals.
There is a chart that tells the maximum lading is for various
sized journal bearings.
A larger journal size for a 100,000 LB capacity could be 177,000
On re-stenciling, the patch would contain the numbers for LD LMT
and LT WT with the weigh code and date is a fresher patch and is
sometimes done on a non-matching paint field, especially if
re-weighed off the home road.