Upgrading to an electric tongue jack

I always go for the one with more lift. The lower size will work for sure just look at the tongue weight of your rig but the 2500 will work fine but if the 4500 is not that much more go for it. Also remember to check the hole size that your current crank up jack is. I think its 2 sizes to pick from and I think you measure from one hole to the next one or its measure the opening of the hole the jack goes through. Just remember not to switch the switch to fast from up to down or it will blow the fuse. I always try to remember to stop first then switch to down or up. easier said than done when in a hurry. If I ever went back to a pull behind again it must have an electric jack, world of difference for sure. good luck