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