Milwaukee M18 Brushless Single Acting 60in3 10,000psi Hydraulic Pump Kit

Milwaukee M18 Brushless Single Acting 60 in³ 10,000psi Hydraulic Pump Kit

The Milwaukee 3120-21 M18™ Brushless Single Acting Hydraulic Pump Kit is a compact, high-pressure powerhouse designed to replace manual pumping with faster, easier, and far less exhausting operation. Delivering up to 10,000 PSI with 60 in³ of usable oil, this pump powers cylinders and tools quickly while reducing effort by up to 95% compared to hand pumps. Built for portability and control, it features a manual return valve, fluid level viewing window, and lightweight design—because getting the job done shouldn’t feel like a workout session.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 3120-21
• Brand / Series: Milwaukee M18™
• Product Type: Single-acting hydraulic pump kit
• Max Pressure: 10,000 PSI
• Oil Capacity: 60 in³ usable oil volume
• Performance: Up to 2.5X faster application speeds vs. manual pumps
• Effort Reduction: Up to 95% less muscle effort compared to hand pumps
• Motor: Brushless motor for efficiency and durability
• Compatibility: Works with all 10,000 PSI single-acting hoses and cylinders
• Control: Manual valve for precise return flow control
• Monitoring: Bladder window for quick fluid level checks
• Portability: Compact design, approx. 12.6 lbs
• Safety: Trigger lock-out to prevent accidental activation
• Coupler: 3/8" NPTF female quick-connect cone poppet coupler (pre-installed)
• Power System: M18™ REDLITHIUM™ battery platform

Kit Includes

• (1) M18™ Hydraulic Pump (3120-21)
• (1) M18™ REDLITHIUM™ XC 5.0 Battery (48-11-1850)
• (1) M18™ & M12™ Multi-Voltage Charger (48-59-1812)
• (1) Shoulder Strap
• (1) Pre-installed female coupler

Ideal For

• Hydraulic pressing, lifting, and tensioning applications
• Jobs requiring portable high-pressure hydraulic power
• Users looking to eliminate manual pumping and reduce fatigue
• Field work where compact size and battery operation are essential
• Anyone ready to trade arm fatigue for efficiency—and maybe keep some energy for the rest of the day