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Electric Hydraulic Pumps

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Electric hydraulic pumps drive power units, presses, lifts, and bench-top systems where an electric motor turns the pump instead of an engine PTO. What defines the right unit is matching displacement (CID or GPM) and rated pressure to your motor's voltage and horsepower, along with rotation, mount, shaft, and port pattern. If your pump is discontinued or unmarked, send your specs for a cross-reference.

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Enerpac ZE-3140DB Electric Hydraulic Pump 3/2 Solenoid Dump Valve with Electric Box and LCD 10 gal Usable Oil 40 in3/min oil flow at 10,000 psi 115 V

Item SKU: ZE3140DB

Enerpac ZE-3140DB Electric Hydraulic Pump 3/2 Solenoid Dump Valve with Electric Box and LCD 10 gal Usable Oil 40 in3/min oil flow at 10,000 psi 115 V

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How to Choose an Electric Hydraulic Pump

Spec an electric hydraulic pump against the power unit or machine it feeds, not just the old part number. Confirm these before you order:

Displacement (CID / GPM): Cubic inches per revolution sets flow at a given motor RPM; verify the GPM your cylinder or motor circuit needs.
Max pressure (PSI): Match or exceed the system relief setting; running a pump near its ceiling shortens life.
Rotation: Clockwise or counterclockwise, viewed from the shaft end. Wrong rotation can starve the pump.
Mount: Confirm the mounting flange or bracket pattern matches your motor or reservoir adapter.
Shaft: Diameter, key or spline, and length so the coupling seats correctly.
Port: Inlet and outlet thread (typically NPT or SAE) and orientation for your plumbing.

Voltage, horsepower, and duty cycle of the electric motor also bound what the pump can deliver, so size the two together.

Which Hydraulic Pump Is Right for the Job?

Electric-driven units commonly use the same pumping elements found across the catalog, so the element type often matters more than the drive. Gear Pumps are the workhorse choice for fixed-displacement power units and tolerate contamination well. Hydraulic Vane Pumps run quieter and hold flow steady at moderate pressure. For high-pressure or variable-flow circuits, compare Piston Pumps. If your application is engine- or PTO-driven rather than electric, see Clutch Pumps or browse all Hydraulic Pumps to confirm fit.

Complete the System

A pump is one part of the power unit. Pair it with a correctly sized Hydraulic Reservoir Tanks for adequate oil volume and cooling, and protect it with Hydraulic Filters rated for your flow. On the work side, match the pump output to your Hydraulic Motors, and use Quick Couplers to connect implements and test equipment without breaking lines.

Cross-Referencing an Obsolete Electric Hydraulic Pump

Many electric pumps on older presses and power units are discontinued or carry only a worn nameplate. Working from manufacturer data since 1963, we cross-reference by displacement, pressure rating, rotation, mount, shaft, and port pattern to find a current equivalent. Note any numbers stamped on the housing, measure the shaft and ports, and request a cross-reference.

Electric Hydraulic Pumps – Frequently Asked Questions

How do I measure an electric hydraulic pump for replacement?

Record the displacement (CID or GPM) and max pressure (PSI) from the nameplate if legible, then confirm rotation, mounting pattern, shaft diameter and key or spline, and the inlet and outlet port threads. Those measurements let us match a current pump even when the original part number is gone.

What specs do I need to spec an electric hydraulic pump?

The core specs are displacement (CID/GPM), maximum rated pressure (PSI), rotation, mount, shaft, and port. You also need the electric motor's voltage and horsepower, since they limit the flow and pressure the assembly can actually produce.

Are electric hydraulic pumps a separate pump type from gear or vane pumps?

No. "Electric" refers to the motor that drives the pump, not the pumping element. The element inside is usually a gear, vane, or piston design, so the selection logic is the same as for any pump.

What is the difference between an electric hydraulic pump and a clutch pump?

An electric hydraulic pump is turned by an electric motor and suits stationary power units, presses, and bench systems with a power source. A Clutch Pumps setup is engaged off a vehicle engine via a belt and clutch, used on trucks and mobile equipment without a dedicated electric supply.

How do I know which rotation my pump needs?

Rotation is read looking at the shaft end of the pump, either clockwise or counterclockwise, and must match the motor's output direction. Installing the wrong rotation can prevent the pump from priming, so confirm it before ordering.

What size reservoir and filter should I pair with the pump?

A common starting point is a reservoir sized to hold several times the pump's GPM in oil volume for cooling and de-aeration, paired with a filter rated at or above the pump's flow. See Hydraulic Reservoir Tanks and Hydraulic Filters, and confirm the final figures against your system's duty cycle.

Can you cross-reference an obsolete or unmarked electric hydraulic pump?

Yes. If the pump is discontinued or the nameplate is unreadable, we identify a current equivalent from displacement, pressure, rotation, mount, shaft, and port data. Send your measurements and any visible numbers and we will match it.

How do I get pricing or a fit check on a specific pump?

Send your specs or the part you are replacing and we will confirm the right unit and quote it. Request a quote.

Electric Hydraulic Pumps

Enerpac ZE-3140DB Electric Hydraulic Pump 3/2 Solenoid Dump Valve with Electric Box and LCD 10 gal Usable Oil 40 in3/min oil flow at 10,000 psi 115 V

How to Choose an Electric Hydraulic Pump

Which Hydraulic Pump Is Right for the Job?

Complete the System

Cross-Referencing an Obsolete Electric Hydraulic Pump

Electric Hydraulic Pumps – Frequently Asked Questions

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