Mitchell 1, a Snap-on company, has added color air brake diagrams to its June update of Tractor-Trailer.net, its comprehensive web-based truck repair manual system.

The pneumatic diagrams will include the same widely-used features as the Tractor-Trailer.net electrical wiring diagrams. In addition, the line colors were designed to conform to TMC's Recommended ...

Mitchell 1 — a Poway, Calif.-based Snap-on company — has added color air brake diagrams to its June update of Tractor-Trailer.net, its comprehensive Web-based truck repair manual system. The ...