USED ROOTS DRESSER ROTARY LOBE BLOWER, 4" INLET & OUTLET. MODEL NO: 56 U RAI, SERIAL NO: 0209951024.
MAX PRESSURE: 13 PSI. BELT DRIVE FROM MOTOR TO BLOWER.
MOTOR PULLEY: 7", BLOWER PULLEY: 5.25". MOTOR: 15 HP, 1760 RPM, 575 V. UNIT IS COMPLETE ON BASE WITH EXHAUST MUFFLERS