Cfm 11000; Model P2280; Series Premier 2000; Test Number N/A; 20" Vacuum @ 360 Rpm, 550 HP Double Extended Shaft Approx. Dimensions are as follows: A: 135" Overall Length B: 59" Width C: 58" Height D: 27" Center of shaft E: 7.25" Shaft Dia. F: 12" Inlet G: 10" Outlet Owners Manual Available