More R-model chassis have been built and registered than any other class-8 vocational vehicle — around 360,000 since 1965, figures the maker, Mack Trucks. With more than 200,000 still at work, the ...

After nearly four decades of dependable service, the Mack RD, the last of the R ... And we believe the R-Model Legend accomplishes this objective." Tricked out with limited edition paint, badges, ...