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