Allis-Chalmers Centrifugal Pump. Model: 2000. S/N: 861-58807-02-01. Size: 2x1-1/2x9. Pump capacity: 45 gpm @ 65 tdh. Impeller diameter: 8.3 in. Field hydrotest pressure: 250 psi. Marathon Electric Motor, 2 and 1-1/2 hp, 1740/1430, 208-230/460 190/380 V, 6.2-6.2/3.1-5.6/2.8 amps, 60/50 Hz. Inlets: (1) 2 in. dia. suction. Outlets: (1) 1-1/2 in. dia. discharge. Overall dimensions: 47-1/2 in. L x 43-1/2 in. W x 77-1/2 in. H.