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