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