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Enerpac | Two Speed, ULTIMA Steel Hydraulic Hand Pump, 41 in3 Usable Oil | P77

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Description & Features

Engineered for efficiency and durability, the Enerpac Two Speed, ULTIMA Steel Hydraulic Hand Pump is an excellent choice for demanding industrial applications. With its robust all-steel construction and a chrome-plated plunger, this hand pump delivers reliable performance under high pressures, up to 10,000 psi (700 bar). Its innovative two-stage operation minimizes handle strokes by up to 78%, making it ideal for scenarios requiring high initial flow and subsequent low flow, high-pressure output.

Designed with user comfort in mind, the pump features an ergonomic handle to reduce operator fatigue and a vent-free reservoir to prevent spills. The reservoir holds 41 in³ (672 cm³) of usable oil, ensuring sufficient capacity for various tasks. This model is perfect for operating both single-acting and double-acting cylinders, enhancing its versatility on the job site. Weighing in at just 15.6 lbs (7.1 kg), it is portable and easy to handle.

SKU: P-77

Supplier Part Number (MPN): P77

Alternate Part Numbers: MI-03689633, MINO-00284X33655

Specifications

Brand
Enerpac
Brand
Enerpac
Pack Size
1.00
UOM
EA
Max Operating Pressure
10,000 psi (700 bar)
Product Type
HydraulicPump
Reservoir Capacity
41 in³ (672 cm³)
Series
P
Subtype
Hand Pump - Two Speed
Weight
15.6 lbs (7.1 kg)
Supplier Part Number
P77
Product Weight
18.30 lbs

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Product Questions & Answers (2)

Question by: Dwayne T on Jul 14, 2025, 5:00 PM
trying to cut down on handle strokes. is this P77 one of them two speed pumps that shifts on its own?
Answer by: Customer Support on Jul 15, 2025, 6:52 PM
On the P77 you get a 2 stage hand pump that automatically switches from the high flow first stage to the low flow, high pressure second stage. That setup is meant to move a cylinder up to load contact quicker, then build pressure, and it can reduce handle strokes by as much as 78 percent versus a single speed pump.
Question by: Hubert R on Mar 20, 2026, 10:49 AM
how much oil does this pump hold, and is 41 cubic inches gonna be enough to run more than one cylinder at a time?
Answer by: Customer Support on Mar 21, 2026, 5:03 PM
At 41 in3 of usable oil, it sits on the smaller end of the P-Series range. Running multiple cylinders is possible, but the total oil demand of your cylinders combined needs to stay within that capacity. If you're moving larger bores or need extended stroke travel across several cylinders, you'd likely want to step up to a higher-capacity model in the same series. For single-cylinder work or lighter multi-cylinder setups with modest oil demand, 41 in3 gets the job done fine.

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