2017 Series refers to the third range of vehicles released in blind bags throughout 2017. In this series, the vehicles no longer have weights inside them.
The Classics theme refers to the characters in their normal liveries.
- Diesel 10
The Animal theme features characters transformed into animals.
The Aquatic theme (also known as Underwater) features characters as sea creatures.
The Monster theme (also known as Monster Mash) features characters based off early horror film monsters.
The Construction theme features characters as machines and building site materials.
- Construction Thomas
- Construction Toby
- Construction Millie
- Construction Diesel 10
- Construction Victor
The Night Time theme features characters with designs inspired by the night.
The Space theme features characters with space exploration themed designs.
The Steel theme (also known as Steelworks) features characters with steel and rusting designs.
The Tootsie theme features engines in the colours of Tootsie Roll Industries candy wrappers. They are only released in the US and Canada.
- Tootsie Roll Thomas
- Andes Gordon
- Sugar Babies Bill
- Charleston Chew Diesel
- Charms Rosie
- Tootsie Roll Pop Luke
- The Series 2 Collector's Checklist does not feature the Space theme, despite Space Spencer and Space Scruff already being released at that point.
- This is the first year where new moulds including Duck, Annie and Clarabel did not receive a variant.