Here's some of mine,got more in my garage loft inc 3 big models I have not even opened yet.
New tracked crane.

Pneumatic with a small battery powered pump logging truck,got this for my 16th birthday but by then I had grown out of lego technic,only really finished it around 2 years ago 18 years later!

My favourite to build,Volvo 350 loader,fully working and it's got some power as there's reduction gears on all 4 wheels,diffs,center steering,it can lift a good weight and drive over nearly anything.my sons favourite.

Recovery truck and 1 of my 2 lego model team tractor units,these are really brittle now,got this 1 a few years ago as you can build it into a flat front truck and my other 1 I have had since I was about 12



My favourite,the huge excavator.this thing is big,well detailed and fully working,the gearbox is a bit clunky and slow but it's great yo build and play with (so my son says!)


Pneumatic excavator,think I got this when I was 11/12 so will be around 24 years old.

Got a few more I'll take pics of later!