Floor jack base plate - the second picture shows the different floor jacks
SD bolt on - Most common newer style, has lip sticking up around threads of jack with saddle removed
HD bolt on - Most heavy duty floor jacks, has NO lip around threads of jack with saddle removed
Drop in - Older style floor jack, has 1.16" ˜ 1 3/16" diameter pin
will need to remove the saddle on your floor jack to check which style
you have. The styles are listed above. Our floor jack base plate will
bolt right onto SD (standard duty) floor jacks, these are generally 2-3
ton jacks, under 2 ton jacks might not work with our Jack Adapter. The
HD (heavy duty) style includes an extra machined step bushing that
installs over the factory bolt and then works with our floor base plate.
The HD style are generally 3-4 ton jacks and include a lot of name
brand expensive jacks. The old style Drop in, we include a pin that you
will press into our floor base plate. The old style is most jacks made
10 or so years ago. There are a couple other odd style floor jacks, so
make sure yours fits into one of our categories.
Floor base bolt
pattern - 4" x 6 ½" - The new floor base could also double as a
transmission jack base plate as long as your jack works with the bolt
pattern. The holes are actually designed to hold a strap to retain whatever you are working on.