Four-Ball Pumps
air compressors, tools, ARO, diaphragm pumps, impact wrench, air compressor, compressed air, blowers, lifting and material handling, engine startingIngersoll Rand
ARO four-ball pumps are available in a wide range of ratios, displacements, and materials of construction to meet your application needs. For additional help with selecting the pump that best fits your application, please contact our technical support staff at 1-800-495-0276.

650439-X4B
650439-R4B 2:1 Ratio, 4 1/4" Air Motor
21.3 GPM (80.6 LPM) max flow
650640-X4B
650640-C4B 3:1 Ratio, 6" Air Motor
29.3 GPM (110.8 LPM) max flow
650639-X4B
650639-C4B 4:1 Ratio, 6" Air Motor
21.3 GPM (80.6 LPM) max flow
650840-X4G-B
650840-R4G-B.tif 5:1 Ratio, 8" Air Motor
32.8 GPM (124.0 LPM) max flow
650839-X4G-B
650839-R4G-B.tif 7:1 Ratio, 8" Air Motor
23.5 GPM (88.8 LPM max flow