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