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