LEGO reveals 12 new sets from Speed Champions, TLM2, and Technic, including 42100 Liebherr R 9800 mining excavator [News] - The Brothers Brick | The Brothers Brick
LEGO Technic Liebherr R 9800 Excavator 42100 Building Kit (4,108 Pieces)
There are 42 years between those two sets. 1977 vs 2019. What a huge progress! (LEGO 42100 and LEGO 850) : r/legotechnic