Natural Gas Integral Compressor, Mounted On Concrete/steel Skid, Hour Meter Reads: N/a; Overall Condition: Good; Unit Runs & Operates As It Should?: Yes; Psi: 1250; 5-1/4" X 3-3/4" X 8" Bore (muffler 11 X 22" Exhaust Pipe 10 X 1 Included), AJAX-cooper Engine, 60 Hp.