Western Star Truck Sales announced its limited edition 2013 calendar is now available.

The engineering-inspired "Tough by Design" calendar features Western Star trucks across various applications, from logging and mining to on-highway and heavy-haul. Each month highlights Western Star's customization capabilities.

Artist Jeff Foster returns for the third year to illustrate the specialization of each truck with blueprint-style drawings that complement original truck photography by Paul Hartley.

Presented in a horizontal 18-inch by 27-inch format, the "Tough by Design" calendar is available to order through the Western Star website at