The Milwaukee 3019-20PS M18™ 4-Gallon Backpack Sprayer with SWITCH TANK™ (Bare Tool) delivers instant, consistent spraying pressure with no manual pumping, plus an interchangeable tank system that helps prevent cross-chemical contamination. Built for professional landscape and property maintenance, it’s designed for comfort, speed, and precise application control.
Country of Origin: China
Key Features / Specifications
- Capacity: 4 gallons
- Pressure: Instant, constant, adjustable pressure up to 140 PSI
- Spray distance: Up to 24 ft vertical
- Flow control: 5-mode control knob with 0.1–0.52 GPM range
- Pump & seals: Dual diaphragm pump; Viton seals for durability with harsh chemicals
- SWITCH TANK system: Interchangeable tank assemblies reduce downtime and help eliminate cross-contamination
- Comfort: Padded straps, lumbar support, and hip belt for extended wear
- Battery system: M18 platform (battery/charger sold separately)
- In the box: 4-gallon sprayer tank assembly and hose/handle/wand assembly (powered base included with tool)
Ideal For:
- Landscape and grounds crews needing consistent pressure without pumping
- Herbicide, pesticide, and fertilizer applications where tank swapping helps avoid cross-chemical contamination
- Property owners and contractors who want one M18-powered system for multiple spraying jobs
- Users who want a professional backpack sprayer but already own M18 batteries and chargers