had it for about 3 months now and it's been working great. I use 30w oil in it. as long as it stays full, no problems. I use it for 1/2" and 5/8" ground rods. no issues at all. I run it off my 2500w inverter and a 100' drop cord.it could be a little more ergonomic but it's what you get for the price. I'd buy another if it goes out.