Your search for "cargo" revealed the following
Cargo Car Red or Orange with Tan Cargo Wooden - Used
Thomas Brand Red Cargo Car with Tan Cargo
$9.97 CAD
BRIO 33934 Large Countryside and Cargo Set (No Trains) Wooden - Used
used wooden BRIO set as shown
$75.00 CAD
Sodor Cargo Co. Crane #5 Wooden - Used
Thomas brand used Cargo Crane for the wooden railway. You may want to add cargo cars and you can purchase them here
$34.97 CAD
Pop Out Cargo Car Library Car (Learning Curve) Good Condition Wooden - Used
Thomas brand used wooden library car
$27.50 CAD
BRIO 32732 Clayton with Cargo #1 Theodore Tugboat Wooden - Used
Brio brand Clayton
$125.00 CAD
$150.00 CAD
Holiday Cargo Delivery Track Pack Used - Trackmaster Revolution
Thomas brand snowy track pack
$200.00 CAD
Salty with Cargo Car (2013 Mattel) "All Engines Go" Used - Motorized
Salty (2013) Mattel for Trackmaster
$32.50 CAD
Glow in the Dark Thomas and Green Cargo Car no Cargo (2013) Good Condition Used - Trackmaster Revolution
Thomas brand used battery glow in the dark Thomas
$27.50 CAD