Ratgard now has their Cargo-R.A.T. Heavy carrier available for sale over on their website.
From the release:
The Cargo-R.A.T Heavy Carrier is a tracked truck based on Remodulelizable All Terrain vehicle(R.A.T) platform.
The Cargo-R.A.T Heavy Carrier set include a set of Cargo and a set of 3X3 R.A.T. Total 60pcs resin kits.
This set is 58$, shipping to the worldwide, you can contact me with email@example.com.