I have a little hydraulic jack that doesn't work on it's side so I'd guess that unless it was designed to, it wouldn't.
Maybe when I get home tonight, I'll push my tractor onto it's side and see what happens!
LL
2001 Toro 20023 Personal Pace
2002 John Deere Trimmer/Edger/Blower
2003 Craftsman DYT 4000 - 25HP/48" w/bagger
2003 Toro 826LE Snowblower
2004 Mantis Tiller/Dethatcher/Aerator/Edger
2005 Husqvarna 145BT Backpack Blower
Rubbermaid 10CF Trailer
Craftsman 40" Plug Aerator