Made an upgrade of the 9398 with XL motors and gave it 30% more additional parts. This is my MK2 version as my first upgrade was not as successful. Also it uses
LEGO® TECHNIC 4X4 CRAWLER 9398 - Jeftinije.hr
Lego Technic 4x4 Crawler - 9398, Hobbies & Toys, Toys & Games on Carousell