Based on the common 3281cf 2-Bay covered hopper manufactured by TrinityRail.
Additional items
260mm length of Aluminum trim channel for 3/8 plywood. Hillman Model #11378 or equivalent.
Screws: leftover Kadee screws to fasten the bolsters to the aluminum channel. #2 pan head for joining the hopper sections to each other and the shell.
brake chain I use 3x2x0.5mm
Kadee #907 couplers
6mm ABS rod for truck posts.
Wheels/Trucks - I use Kadee #974 A.S.F 100-ton Roller Bearing Metal Trucks
Bondo Spot putty and Rust-oleum Sandable Filler Primer to get the shell smooth.
1mm half-round plastic strip for simulated welds.
PATIENCE
11/28/23 Added Apex style Roofwalks. Nicer print.
The author marked this model as their own original creation.