There are different
Caterpillar Cranes that can be seen all around Sodor, they have mainly been used in quarries and other work sites, and there were even some scrapped cranes that were also seen several times.
Season 3 - One Good Turn, Oliver Owns Up, and Heroes
Season 4 - Trucks, Steam Roller, Train Stops Play, Thomas and Stepney, Bowled Out, Toad Stands By, Thomas and the Special Letter, Special Attraction, and Fish
Season 5 - Horrid Lorry, Double Teething Troubles, Toby's Discovery, Something in the Air, Happy Ever After, Make Someone Happy, and Rusty and the Boulder
Season 7 - Something Fishy ( scrapped), Peace and Quiet ( scrapped; non-scrapped in stock footage), and Harold and the Flying Horse ( stock footage)
Season 8 - Thomas to the Rescue ( scrapped), Percy's Big Mistake ( scrapped version), and Edward the Great ( scrapped)
Season 9 - Thomas and the Rainbow ( scrapped), Henry and the Flagpole, and Toby's Afternoon Off ( scrapped)
Season 10 - Thomas and the Shooting Star ( scrapped), and James the Second Best ( scrapped)
Season 11 - Dream On
Season 12 - Steady Eddie ( scrapped), and Rosie's Funfair Special ( scrapped)
ERTL ( discontinued; as "Crane")
The ERTL models for the caterpillar cranes incorrectly refers to them as a 'he' as if there is only one of them and as if they're sentient.
A crane at the Skarloey Railway State Quarry
A scrapped crane near Tidmouth Sheds