Your search for "cargo" revealed the following
Cake Cargo Car with Lights and Sound (Mattel) Wooden - Used
Thomas brand used wooden Happy Birthday Cake with NO Sound.
$17.50 CAD
Elizabeth with Cargo Capsule Plarail Wind Up - Used
Capsule Plarail trains are approximately 2" long and 1" high. They are much smaller than standard Thomas & Friends trains and are not the same scale as TOMY, Wooden, Trackmaster or other railway systems. Small parts recommended for 3+ years old
$19.97 CAD
Flour Car with Removable Cargo (Mattel) Good Condition Wooden - Used
Thomas brand used wooden flour car with cargo
$17.50 CAD
BRIO Lighthouse Boat with Cargo and Person (Poor Condition) 33677 Wooden - Used
BRIO brand Boat
$39.97 CAD
Hector with Cargo (2007) with Card Good Condition Used - Take N Play
Thomas brand take n play Hector
$34.97 CAD
Thomas - Minis Fizz' N Go Thomas with Cargo New - MINIS
New Mini lot as shown, please note packaging may be old and and worn
$25.00 CAD
Catherine & Tender with Cargo (Learning Curve 1999) Very Good Condition Rare Wooden - Used
Thomas brand used wooden 1999 Britt Allcroft Catherine and tender
$79.98 CAD
Lexi and Tender with Cargo Car no Cargo (2013) Good Condition Used - Trackmaster Revolution
Thomas brand used Battery Lexi 2013 Mattel
$32.50 CAD