Anti Skid On
"With the Max am I correct in saying the gear is the same as the classic, but the geared engines created the issues due to the pylons being different?"
You will find this is a great site for all 737 technical queries:
The Boeing 737 Technical Site - Home Page (b737.org.uk)
In answer to your specific questions, while the Max's NLG is longer than that of the NG, the MLG is the same (other than the levered gear on the Max 10). The 737 doesn't have geared engines - you may be thinking of the P&W GTFs offered on the A320neo family.