The Milwaukee M18 4-Gallon Sprayer Backpack Kit blends cordless freedom with professional-grade reliability, giving you a portable misting toolkit designed for extended outdoor projects. Built on Milwaukee’s trusted M18 platform, this backpack sprayer pairs a rugged 4-gallon HDPE tank with a comfortable, adjustable harness, so you can cover larger areas with less refilling and more control.
Why this sprayer stands out
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4-gallon HDPE tank delivers dependable chemical resistance and durability, letting you treat lawns, gardens, and tree lines without frequent stops.
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Cordless operation powered by the M18 system for true mobility—no power cord to tether you to outlets or extension cables.
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48-inch hose provides extended reach and minimizes bending, so you can spray along fence lines, under shrubs, and around obstacles with ease.
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Adjustable spray tip lets you dial in a fine mist for even coverage or switch to a targeted jet for precise applications.
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Adjustable shoulder strap and ergonomic backpack design reduce fatigue during long spraying sessions.
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Impressive reach up to a 24 ft vertical spray distance, helping you reach tall plants, hedges, and overhead areas without ladders.
Ideal use cases
- Lawn care and broad-area treatments: herbicides, insecticides, and foliar feeds applied evenly across expansive spaces.
- Garden and landscape maintenance: spot treatment around shrubs, mulched beds, and tree bases with controlled spray patterns.
- Orchards, vineyards, and tree lines: scalable coverage that minimizes refills while maintaining precision.
- Nurseries and estates: quick, mobile spraying for routine upkeep and seasonal applications.
How this kit improves your workflow
- Backpack design distributes weight evenly, helping you spray longer without shoulder strain.
- The 48" hose and adjustable tip give you flexibility to adapt to different plant heights and spray densities.
- Cordless freedom means you can move smoothly across lawns, fields, and hard-to-reach corners without swapping outlets.
- 4-gallon capacity reduces the frequency of refills, letting you complete larger projects in fewer sessions.
Tips to get the most out of your sprayer
- Before you start, prime the line and test spray on a small section to confirm coverage and droplet size.
- Choose the appropriate spray tip setting for the target area to minimize drift and ensure uniform application.
- Plan your route to maintain consistent spacing and avoid over-application near sensitive plants.
- After use, flush the tank and lines with water to extend the life of seals and reduce residue buildup.
Specifications at a glance
- 4 gal
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Tank material: HDPE
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Hose length: 48 inches
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Sprayer type: Backpack Sprayer
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Adjustable spray tip: Yes
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Shoulder strap: Yes
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Vertical spray distance: up to 24 ft
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Power source: Cordless (M18 platform)
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Dimensions (approximate): 22.5 in (H) x 10.5 in (L) x 15 in (W)
Whether you're a landscape professional tackling large properties or a dedicated home gardener elevating your spraying game, the Milwaukee M18 4-Gallon Sprayer Backpack Kit delivers durable, flexible, and efficient performance—so you can spray smarter, not harder.
