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