Farm-Ranch Trailer Hydraulic Dump Cylinder:  2" rod diameter, 4-1/2" outside diameter of the cylinder, 42-5/8" total overall length, 47" center to center pin connections fully retracted.  The cylinder weighs about 150 pounds.  We purchased it new, it was never installed.  It was going to be used to build a two axle farm dump trailer but our plans changed.  Selling for $400., no haggle price.  In Escondido, call (760)746-7209  No emails or texts