Your search for "cargo" revealed the following
Troublesome Truck Red/Brown with Cargo (2018) New no Box - TOMY
TOMY Train new no box as shown
$17.50 CAD
Lorry 1 with Cargo and Flatbed (Learning Curve 2001) Wooden - Used
Thomas brand used wooden Lorry with Cargo and Flatbed - rare
$27.50 CAD
$35.00 CAD
Deliver the Win Diesel missing Cargo (2021 Mattel) "All Engines Go" Used - Motorized
Thomas brand used motorized train as shown
$19.97 CAD
Harold’s Heliport Remote Control Portable Playset Lights and Sounds with 3 Cargo Pieces and Cargo Car #2 (Missing Door/Peeling Sticker) Used - Take Along
Thomas brand used take along set. Harold sometimes gets stuck when carrying cargo. Works without cargo Video shows the actual item:
$95.00 CAD
Percy at the Dieselworks Set #1 Missing Cargo Piece (see last picture) Wooden Rare - Used
Thomas brand used Percy at the Dieselworks set as shown in picture. Lights and sound fully working, includes cargo and cargo car See video for example of set - video is different than product.
$575.00 CAD
Snowy Storm Gordon & Tender and Cargo Car (2013) Used - Trackmaster Revolution
Thomas brand used battery Snowy Storm Gordon 2013 Mattel
$49.97 CAD
Elizabeth no 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
$14.97 CAD
Muddy Carly with Cargo Car (2021) "All Engines Go" Used - Motorized
Thomas brand Trackmaster Carly
$22.50 CAD