I'm experimenting with the technic set 42099 and i still have a few MOC ideas to test. I'm trying to make each new alternative model faster than the previous while learning to
Lego Technic Pull Test Featuring The Big Bulldozer MOC, 42099 + 6x6 mod, 42100 Liebherr and 9398! 4K - YouTube
LEGO MOC 42099 Ultimate MOD by Lego technic world | Rebrickable - Build with LEGO
TUG OF WAR! Lego Technic 42099 6x6 Mod Vs The Grazer All Tracked Tank. Winner stays on Episode 7! 4K - YouTube