Jump to content
Sign in to follow this  
  • entry
  • comments
  • views

About this blog


Entries in this blog


Help with Mack designations

Hello; I am trying to find out about the designations that Mack has used in the past. I am looking at a truck, that the owner has identified as a 1980 R612-ST with a E6-315 engine and I am trying to find out what the letter abreviations mean? Thanks in advance

4400 White

4400 White

Sign in to follow this  

Welcome to BMT!

...The world's best antique, classic & modern Mack Truck support forum! Founded in 2000, BigMackTrucks.com is the place to go for everything related to Mack Trucks!


BigMackTrucks.com is owned and operated by Watt's Truck Center, New Alexandria, PA. This forum and it's contents are not affiliated with Mack Trucks, Inc. or Volvo Trucks North America.