I bought a tool to aid in oil changes. It is similar to the changing tools that others here have been using. Instead of a pump it uses air pressure to make it go. Connect it to an airline and it takes a minute or so to develop vacuum so it can pull the oil out of the sump via the dipstick tube. My friend Mike at Prestige Auto Repair in Salem, OR uses one of these and recommended it to me. It is well made and comes with a quiver full of various sized adapters to fit an array of different engine configurations. All metal construction. I really needed it to change the oil on our old used forklift. No access below for oil drain. Ten minute job! I did four oil changes with the thing yesterday and I have to say it is fantastic. Easy, fast and kind of fun. I can now change oil in the time it takes to deal with the filter R+R, without donning a jumpsuit. I have to like that.
It is a Northern Tool and Equipment standard offering: http://www.northerntool.com/shop/tools/ ... _200323340
I was able to get it on sale. It is worth it for me. No more hot diesel oil bath removing the huge drainplug on the GD. Civilized. Works best and extracts the oil fastest when the motor is hot. It is painted a fast shade of RED.
Cheers!