Milwaukee M18 Switch Tank

Last updated: November 9, 2026

Milwaukee M18 Switch Tank

A powerful 4-gallon sprayer for Milwaukee M18 owners, especially pros spraying harsh chemicals.

  • 4 galTank
  • 140 PSISpray power
  • 80 gal/chargeRuntime or airflow
  • 18 V, sold separatelyPower source
Check price at Amazon$399

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • 140 PSI reaches high hedges and trees
  • Switch Tank system lets the pump base take other tank types
  • Dual diaphragm pump with Viton seals for harsh chemicals
  • Hip belt and lumbar support
Cons
  • Sold without battery or charger
  • Tank warranty is only one year

How it scores

The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model number3019-20PS
Spraying
Tank4 gal
Max pressure140 PSI
Max flow0.5 GPM
Power
Battery18 V, sold separately
Gallons per charge80 gal
Tanks per charge20
Features
Adjustable pressureYes
AgitatorNo
Gauge or control panelNo
Build
Warranty3 years

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