12 Volt powered trommel. MINIMUM 2000gph water pump required (not included) , 18 of reverse helix in outer barrel, Height 31' Tall x 48' Long x 24 Wide at the base. Hopper is 15 Wide x 14 Long, Load in height is 30. 10 wheels/tires. Screening barrel is 28 long and reverse helix barrel is 18 long. Sluice Box is 30 long x 7 wide w/rubber backed carpet and a 10 gold pan