Vintage Owatonna Tool Company anguard electric hydraulic pump, model HPM-12.
Specifications: Designed for high-pressure applications. It is a two-stage pump featuring a gear pump for low-pressure, high-volume flow, and an axial-piston pump for high-pressure power. Controls: Equipped with a three-position switch (Run, Off, Jog) and an electrical caution label. Safety Notice: Always disconnect the power supply before removing the cover; electrical work should be performed by a qualified electrician. Text then call, no email, cash only.
Pressure Rating: 10,000 PSI
Motor: 1/2 HP, 12,000 RPM (Vanguard Jr.) or 1-1/8 HP (standard Vanguard)
Voltage: 115V AC (standard), 50/60 Hz
Operation: 2-stage, 2-position/3-way or 3-position/4-way valve
Reservoir: Usually 1 to 2 gallons
Controls: Remote hand switch (often 6-10 ft cord) sells for close to 3K on EBay.