This prototype truck chassis (Idea book 8889) from more than 30 years ago already had a lift axle like the one on the new Tow Truck, that's quite impressive! : r/legotechnic
Lego Technic 8889 Idea Book - [PDF Document]
8889 Blue 6x6 Truck w/ Auger from BrickLink Studio
LEGO Set 8889-1-c4 Repair truck (1984 Technic) | Rebrickable - Build with LEGO
LEGO Set 8889-1-c3 Car With Gull-wing Doors (1984 Technic) | Rebrickable - Build with LEGO
Technic Idea Books - Page 2 - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
Lego Technic 8889 Idea Book - [PDF Document]
Lego Idea Book 8889 (released 1984) - Old InstructionsOld Instructions
LEGO Technic (8860) for sale online | eBay
Lego Technic Idea Book 8889 Truck (1984) - YouTube