I thought I would pass on a little tip about crank up jacks. This weekend while at a show I was cranking up my jack a friend commented that he wished his cranked that easily. I told him about the 2 different gears on the jack. Push the handle in for quicker response when lowering and pull the handle out for when cranking up slower but easy to crank. He had no idea that there were 2 speeds. I also witnessed a young girl laboring to crank up the jack and stopped and showed her and her mother the 2 speeds.

This got me wondering that many people may not know that crank up jacks have this feature. I know I didn't when I first got my trailer nor did the guy that owned the stables that helped crank it up as I couldn't.

Not all jacks have the two speed option...

If the jack has a pancake shaped case on the side of the column , it likely has 2 speeds.

Do you mean oval? I think mine is oval and my pancakes are round. LOL

I did a search for  1 speed jacks and mostly 2 speeds came up. So if your trailer has any size to it, most likely it is a 2 speed.