LEGO MOC 4x4 RC Off Road Truck - LEGO Technic 42099 B Model by grohl | Rebrickable - Build with LEGO
RacingBrick - After all the reviews it was time to take out these LEGO Technic RC trucks to the garden and have some off-road fun! 42070 vs 42099 vs 42129, who wins? :)
42099 motorized dump truck mod : r/legotechnic
Comparing the gearing upgrade options of the LEGO Technic 42099 4X4 X-treme Off-Roader - YouTube