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