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