Technical Bulletins


Alcoa keeps you up-to-date with the latest developments in wheel technology and maintenance. Get the most current news and technical tips from Alcoa.


June 2014

UPDATE - Application Guidelines for 22.5 x 8.25 and 24.5 x 8.25 Wheels

View (PDF 262kB) 


UPDATED - Wide Base Mounting Guidelines

View (PDF 730kB)


March 2013

Application Guidelines for Balance Weights on Dura-Flange® Wheels

View (PDF 240kB) 


September 1, 2012

INMETRO Roll Stamp Identification

View (PDF 224kB) 


September 17, 2010
Application Guidelines for Two-Piece Flange Nuts
View (PDF 208kB)


Application Guidelines for Tire Balancing Agents and Sealants

View (PDF 174kB)


Application Guidelines for Valve Maintenance

View (PDF 160kB)


June 24, 2009
UPDATED - Sprinter 3500 rear wheel stud thread engagement (M-Series Sprinter wheel)

View (PDF 55kB) 


September 8, 2008
Welding Rim Flange or Otherwise Heating Alcoa Aluminum Wheels

View (PDF 225kB)


Altering Alcoa Wheels from Original Design and Use of Adaptor Plates

View (PDF 58kB)


Tire Balancers/Sealants

View (PDF 58kB)


January 7, 2008
Wheel balance weights

View (PDF 107kB)


January 2001
Changes to New Dodge, GM Models Affect Wheel Fitment

View (PDF 43kB)


October 2000
Part Number 155 Hug-A-Lug® nut cover Screw-on ball seat nut cover with clamp

View (PDF 36kB)


May 2000
European Wide Base 19.50 X 14.00 Trailer Wheel

View (PDF 35kB)


November 1999
Wide Base and 9-Inch Wheel Fitment Check for Steer Axle Load Rating

View (PDF 39kB)


April 1998
Mounting/demounting tires on Alcoa 22.5 non-symmetrical wide base wheels

View (PDF 26kB)


November 10, 1997
Rim flange wear

View (PDF 54kB)