Looks like the one my brother got for his kids about a month ago.
It's a Kinroad XT70GK-2/XT90GK-2(OLD MODEL).
It is the older model. The newer ones have the front wheels that bolt on with 3 bolts.
Here is a link to their site for the PDF of the parts diagram.
http://www.runmasterusa.com/parts-ca...20MODEL%29.pdf