what type valve is needed for dump trailer cylinder raise and lower? Forum › Forums › Help Me Find A Part › what type valve is needed for dump trailer cylinder raise and lower? This topic has 2 replies, 2 voices, and was last updated 13 years, 5 months ago by Bob Rooks. Viewing 1 reply thread Author Posts September 26, 2012 at 9:36 pm #35112 Bob RooksParticipant Offline Is it a scissor lift or just a single cylinder? How big is the trailer? $550.00 sounds like a reasonable price Want to keep costs down? People have been known to just use a farm jack to raise the front of the trailer. You could also use one of the long hydraulic jacks like those on engine hoists. Account deleted. September 27, 2012 at 9:07 pm #35113 Bob RooksParticipant Offline Please keep us updated on what you do. Others may benefit from it. Account deleted. Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In