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