As Chris Lowe had mentioned in another thread I have once again ( this is typical for me and online forums ) made a mess of this subject cause I have threads all over the place but cant be changed now.
Ive been going back and forth on what Im gonna do with this situation. Not being sure I wanted the risk of buying overseas, Ive tried to learn everything I can about these portable drill rigs, its tough but Im able to pick up little bits and pieces from peoples listings, Im able to see small differences in overall construction of the rig, there can be differences in drill stem diam, there are differences in how the machine drills.
Ive decided ( I think for sure ) on a SH260D drilling machine made by Sunmoy manufacturing. A video of machine in operation can be seen here
S2 D portable water well drilling rig,small drilling rig,mini drilling rig - YouTube
Most other machines I have been looking at on alibaba were closer in description to the Sunmoy S200D
SH260D is equipped with the gearbox and it is run by hydraulic motor, not by electrical-driven motor. S200D doesn't have gearbox. This is main difference, more powerful.
SH260D has an electrical motor that is 60HZ right out of the box and James Ye at Sunmoy has told me that this motor will run much more efficiently than the motor that is set up for 50HZ
S200D is equipped with 42mm diameter drilling pipe.
SH260D is equipped with 51mm diameter drilling pipes.
So the cost is different.
SH260D-100 is USD2800.
The SH260D-60 is USD2480 with 60 meters of drill pipes
Ive spent hours doing the best I can online researching these things, unfortunately Id like to add that I have messages AND called and left several messages to 2 of the larger U.S based portable well drilling suppliers and neither of them ever answers the phone, only one has called me back and left a message, when I immediately returned the call they again didnt pick up the phone.
Im gonna comment maybe more on that later but from what I have read online ( gotta be true right

) the U.S manufacturers make very little of the product but instead purchase vast majority of their machines from overseas.
Problem with Sunmoy is I cant purchase thru Alibaba, they do not sell there, I have to pay with paypal,( or check ) I have contacted paypal and they tell me I am covered if something were to happen.