It seems as if i have lost the overview, with too many files. I could import one of the sended gmt with no problem into 3dsmax 2012. Try this script please: EDIT removed the download for the zip, because it contained a wrong file. The download with the files that work is here now.
Use the last script and the zip from my first upload, that includes the hardwareshader folder with the rf1 shaders, that are needed, too.
I have removed the former uploaded zip files and uploaded the zip that includes the files with that the import of rf1 gmt into 3dsmax works for me in 3dsmax 2012 and 2017. Here it is