Here is the full list of all 76 Mining Mechs achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Dig 5.000 blocks
Collect 100 jewelry
Collect 100 trash
Unlock the crane mech
Have $1.000.000
Collect 30 sapphire
Collect 100 uranium
Collect 100 azurite
Collect 100 amethyst
Collect 20 emerald
Unlock the scorpion mech
Collect 100 gold
Collect 100 realgar
Sell for a total value of $1337
Unlock the kangaroo mech
Collect 100 tin
Collect 10 ruby
Collect 100 diamond
Reach a depth of 1000m
Collect 100 copper
Collect 100 silver
Bounce on top of the airship
Make a deal with the devil
Find a Hellstone
Pass the airlock
Reach a depth of 900m
Collect 10 treasures
Reach a depth of 800m
Unlock the rhino mech
Pass the plated stone barrier
Reach a depth of 700m
Collect diamond ore
Dig 2.000 blocks
Reach a depth of 600m
Reach a passive income of $100
Find out how high you can fly
Collect uranium ore
Unlock the turtle mech
Pass the outpost gate
Reach a depth of 500m
Collect amethyst ore
Collect 100 cobalt
Have $100k cash
Deliver 1000 dirt
Collect gold ore
Reach a depth of 400m
Collect a ruby gem
Unlock the worm mech
Get a mech to max level
Reach a depth of 300m
Collect azurite ore
Dig 1000 blocks
Unlock the beetle mech
Collect an emerald gem
Reach a depth of 200m
Use a booster
Use a teleporter
Use confetti
Collect realgar ore
Sell $10k worth of ore at once
Unlock the snake mech
Collect cobalt ore
Reach a depth of 100m
Find a treasure chest
Collect a sapphire gem
Use an explosive
Find cheese
Reach mech level 3
Collect trash
Collect jewelry
Connect your first mine
Collect silver ore
Collect copper ore
Collect tin ore
Complete the Tutorial