Hot Wheels Twin Mill 2021

The Hot Wheels Twin Mill was released in 2021 in the Hot Wheels id line, in “Mainline Chase Series” (2/8), toy number GTD63.

Cars with a built-in NFC chip that could be scanned into the Hot Wheels id app.

Paint: Spectraflame Blue; wheels: Chrome RA6.

The Twin Mill casting first appeared in 1969 and has 47 releases in our database, most recently in 2025.

The Mainline Chase Series series of 2021 has 8 cars.

We have not had this car on the channel yet. Request it – the most requested cars get unboxed first.

Collectors & photos

No real photo of this car yet. Own it? Upload a photo – it appears here with your name.

What is the toy number of the Hot Wheels Twin Mill?

The toy number is GTD63 (2021). It is printed on the back of the card.

Which series is the Hot Wheels Twin Mill from?

It was released in 2021 in the Hot Wheels id line, series “Mainline Chase Series” (2/8).

Has Wheel Wonderland unboxed the Twin Mill?

Not yet – you can request it on this page.

The 10 closest versions – see all on the casting page.

No.	Model	Series	Series #	Toy #	Case	Color	Year
093	Twin Mill TH	HW Game Over Treasure Hunt	3/5	FYF95	D		2019
–	Twin Mill	HW Greats	3/3	FXB52		Spectraflame Orange	2019
–	Twin Mill	Boulevard	16	GJT88		Metallic Blue	2020
–	Twin Mill	Mystery Models Series 2	5	GJM51		Gloss Light Blue	2020
–	Twin Mill	HW Metro	1/4	GML08		Spectraflame Black	2020
061	Twin Mill	HW Dream Garage	3/5	GRY10			2021
–	Twin Mill	Hot Wheels id	2/8	GTD63			2021
–	Twin Mill	HW Legends 5-Pack	5/5	GTN38			2021
–	Twin Mill	Mainline Chase Series	2/8	GTD63		Spectraflame Blue	2021
191	Twin Mill	Then and Now	2/10	HCV62			2022