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 MOC RC Buggy 9398-C by Cfachini | Rebrickable - Build with LEGO
Lego Technic, 9398 – dba.dk – Køb og Salg af Nyt og Brugt
LEGO Technic All-Terrain Vehicle 42139, 6-Wheeled Off Roader Model Truck Toy, ATV Construction Set, Birthday Gift Idea for Kids, Boys and Girls - Walmart.com
LEGO MOC Ultimate MK2 4x4 Crawler 9398 Upgrade by Cyborg-Samurai | Rebrickable - Build with LEGO
LEGO Set 9398-1 4 x 4 Crawler (2012 Technic) | Rebrickable - Build with LEGO