Earlier this month, Trainworx announced that it will produce a new tooling: Freightliner Cascadia Tractors.
Pre-orders for these cars are due by November 30, 2017 with an estimated summer 2018 delivery.
These trucks will run $39.95, be available in 6 paint schemes and come in both mid-roof and raised-roof versions for each paint scheme.
Here is the original announcement.
Here is a link to Trainworx's Product Announcements Page.