Harbor Freight Tools


20V Cordless Variable Speed Grease Gun - Tool Only

This professional grease gun delivers 5 oz./min. of grease at 10,000 PSI for smooth, precise and continuous grease flow

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The HERCULES™ 20V Cordless Grease Gun delivers up to 5 oz./min. of grease at 10,000 PSI with a variable speed control for smooth, precise and continuous grease flow. The 48 in. flex hose with anti-kink spring guards delivers maximum reach for lubricating hard to reach fittings in automobiles, RVs, construction equipment, and agricultural equipment. The 14.5 oz. stainless steel barrel cartridge with non-flip follower accepts cartridge or bulk grease. Includes built-in hose and coupler storage.

  • High-performance industrial strength motor has variable speed control for flow rates up to 5 oz./min.
  • 10,000 PSI max for high pressure output for thorough packing
  • 14.5 oz. high capacity stainless steel barrel accepts cartridge or bulk grease
  • 48 in. flex hose with anti-kink spring guards for maximum reach
  • Ergonomic grip with shoulder strap mounts for easy transport
  • All metal drivetrain for added durability and extended tool life
  • No-mar foot design protects surfaces
  • Accessory port for adding bulk filler nipple
  • LED light for dark workspaces
  • Shoulder strap included

Replacement Parts in Stock

Call to Order: 1-800-444-3353

View Available Parts

Important Information

  • Tool only - Requires HERCULES™ 20 volt battery and charger, both sold separately.

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Fitting size (in.)
7/16 UNEF
Flow rate
5 oz./min.
Battery type
Battery voltage (volts)
Battery(s) Included (y/n)
14.5 oz.
Hose Length
48 in.
Product Weight
8.6 lb.
Shipping Weight
10.00 lb.
Thread size
1/8 in. NPT
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.