I found the updated rules for WW1 Tanks by Cosmicbank
Step 1 Roll to see if the tank is Broken being off load from the Lorrie.
Step 2 Roll to see if the tank get Lost getting to the Assembly area.
Step 3 roll to see if the Tape that directs you to the front gets blown away in the Wind.
Step 4 Roll to see if the Tank develops engine trouble.
Step 5 Roll to bog the tanks and then roll to unbog the Tank.
Step 6 See if the German spot the tank and open up.
Step 7 using the advanced hit location table with 100 different location to see where each German round hits.
All hit destroy one of the 100 vital components of the tank and it then is knocked out.
Step 8 roll to see if the tank Crew desides they had enough and bail out.
Step 9 Save throw to see if the Tank catch fire and Explodes.
Step 10 roll for a new Tank.