20 Ton Air Hydraulic Can Crusher SHop Press Oil Filter 20 ton air can crusher Maximum pressing capacity: 20 Tons (40,000 lbs); Air pressure range: 120PSI to 140PSI max Operating methods: Air operated and manually operated; Air inlet size: 1/4" x 18 NPT Ram stroke: 6-1/2"; 2 Press plates: 2" x 3/4" x 7"; Drainage hole: 3/8"; Working dimensions: 0" - 12-3/4" Drain hose length: 39" L; Press head: 1-7/8" x 1-1/2"; Filter crushing head: 4-1/2" x 3"