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.

November 12, 2009
Wide Base Mounting Guidelines
View (PDF 40kB)
Download (ZIP 37kB)

August 26, 2009
Application Guidelines for 22.5 x 8.25 and 24.5 x 8.25 Wheels
View (PDF 40kB)
Download (ZIP 37kB)

August 24, 2009
98367 Valve Extension Replacement Recommendation
View (PDF 155kB)
Download (ZIP 143kB)

September 8, 2008
Welding Rim Flange or Otherwise Heating Alcoa Aluminum Wheels
View (PDF 99kB)
Download (ZIP 92kB)

Altering Alcoa Wheels from Original Design and use of Adaptor Plates
View (PDF 58kB)
Download (ZIP 55kB)

Tire Balancers/Sealants
View (PDF 58kB)
Download (ZIP 55kB)

June 24, 2009
UPDATED - Sprinter 3500 rear wheel stud thread engagement (M-Series Sprinter wheel)
View (PDF 55kB)
Download (ZIP 51kB)

July 28, 2008
Sprinter 3500 rear wheel stud thread engagement (M-Series Sprinter wheel)
View (PDF 99kB)
Download (ZIP 92kB)

January 7, 2008
Wheel balance weights
View (PDF 107kB)
Download (ZIP 47kB)

January 2001
Changes to New Dodge, GM Models Affect Wheel Fitment
View (PDF 43kB)
Download (ZIP 36kB)

October 2000
Part Number 155 Hug-A-Lug® nut cover Screw-on ball seat nut cover with clamp
View (PDF 36kB)
Download (ZIP 30kB)

May 2000
European Wide Base 19.50 X 14.00 Trailer Wheel
View (PDF 35kB)
Download (ZIP 30kB)

November 1999
Wide Base and 9-Inch Wheel Fitment Check for Steer Axle Load Rating
View (PDF 39kB)
Download (ZIP 35kB)

April 1998
Mounting/demounting tires on Alcoa 22.5 non-symmetrical wide base wheels.
View (PDF 26kB)
Download (ZIP 22kB)

November 10, 1997
Rim flange wear.
View (PDF 54kB)
Download (ZIP 34kB)