Model # Wolverine a-14-22 14 HP single cylinder Robin Subaru electric start engine 4 way wedge 22 gpm 2 stage hyd. pump 7 second cycle time log clamp 4'''' x 24'''' cylinder unlimited log length can be fed will take up to 18'''' diameter log variable speed winch automatic bar oil system For additional information please give us a call at 1-800-765-7297