Design Engineering

Eaton introduces new series of compact piston-type open circuit pumps


General DPN

Eaton Corp announced the availability of a new series of compact piston-type open circuit pumps with the “latest technology” for moderate flow, high-pressure applications.

The new 620 Series is rated at 280 bar and 2,200 rpm with a displacement of 98 cc/revolution. Due to these ratings, the 620 series is “an ideal choice for a variety of mobile and stationary applications including wheel loaders, motor graders, concrete equipment, salt and sand spreaders, vacuum trucks, telehandlers, refuse trucks, rail maintenance, forestry equipment, and drill rigs,” according to Eaton.

The pumps are designed to be very compact, have Tier-4 hydraulic components, and feature a 15-degree swash plate angle that “allows the pump body to be up to 27 mm shorter than competitive pumps.” The bearing design achieves 13,600 hour B-10 life and the control piston has an anti-friction coating.

Future models of the 620 series will include displacements of 65 cc, 74 cc, and 120 cc per revolution.



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