This portable trommel screen is powered by a gas engine and it only has approximately 50 hours of use. The trommel drum is 69” long x 39” diameter. This trommel screen also features a continuous feed hopper and a ½” x ¼” screen. This unit comes with a 17’ long by 17” wide Ebersol conveyor powered by a 240V electric motor also with only 50 hours of use as well. Both of these pieces of equipment are in good operating condition and have been under cover. Call today for more details on this great buy!