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