But with so many options—tanks, trailers, quad bike units, and battery-powered models—how do you pick the right one? This guide will walk you through everything you need to know about choosing the best weed sprayer, whether you're after a small setup for your garden or a full weed sprayer unit for your tractor.
1. Why You Need a Quality Weed Sprayer
Weeds aren’t just ugly—they can choke out your lawn, ruin crops, and reduce the value of your property. A good weed sprayer allows you to apply herbicide efficiently, safely, and with minimal waste. The right setup depends on how much land you’re working with and what kind of spraying you’ll be doing.
Whether you're in the market for a weed sprayer for sale or looking to upgrade your current setup, it's all about matching the sprayer to your needs.
2. The Main Types of Weed Sprayers
Let’s break down the main categories you’ll see when shopping for weed sprayers in Australia.
Handheld & Backpack Sprayers
Great for spot spraying in gardens or small patches of land. They’re affordable, but not ideal for big jobs.
Weed Sprayer Tank and Pump Systems
These setups involve a tank (ranging from 20L to over 200L) paired with a pump. They can be mounted on various vehicles and are excellent for medium to large spraying areas. If you're after flexibility, a weed sprayer tank and pump combo is a solid choice.
Weed Sprayer Units
A complete weed sprayer unit usually comes with a tank, pump, hose, and sometimes a spray gun or boom. These are perfect for mounting on vehicles or trailers and are a popular choice for farmers and landowners.
Boom Kits and Trailer Sprayers
Weed sprayer boom kits offer a wide spray path—ideal for paddocks and broadacre spraying. Trailer setups are towed behind tractors or ride-on mowers and can cover vast areas without refilling often. If you’re after a weed sprayer for large areas, these are your go-to.
3. Battery vs Petrol vs Manual Weed Sprayers
Sprayers come in a range of power options. Here's how they stack up:
Battery-Powered Weed Sprayers
Easy to use, quiet, and low-maintenance. Weed sprayer battery-powered units are perfect for suburban or lifestyle block owners. Look for weed sprayer 12V or 12-volt models for compact yet efficient performance. These battery-operated weed sprayers typically mount on trolleys or ATVs.
Manual Pump Sprayers
Best for small jobs or when you don't want to deal with wiring or batteries. Budget-friendly but labour-intensive.
Petrol-Powered Sprayers
Ideal for commercial use or big farms. High pressure, powerful spraying, and made to handle the tough stuff.
4. Vehicle-Mounted Weed Sprayers: From ATVs to Tractors
If you’ve got a bit of land, it makes sense to mount your sprayer to a vehicle. Here are your main options:
ATV & Quad Bike Sprayers
A weed sprayer for ATV or weed sprayer for quad bike mounts directly onto the back of your all-terrain vehicle. These are great for getting around rugged paddocks and tight trails while spraying efficiently.
Ride-On Mower Sprayers
Got a large lawn or acreage and already own a mower? A weed sprayer for ride-on mower is a great way to maximise your setup. These often use 12V power from the mower’s battery.
Tractor-Mounted Sprayers
For serious acreage, a weed sprayer for tractor is essential. These units can handle hundreds of litres, and with the right boom kit, you can spray large rows or fields in one go.
5. Spraying Large Areas? Here's What You Need
Covering a lot of ground? Time to think big.
Weed Sprayer Trailers
A weed sprayer trailer tows behind your tractor or ute and often includes large tanks (up to 600L or more). They’re ideal for farms, lifestyle blocks, and vineyards.
Boom Kits
Add a weed sprayer boom kit to your setup for wider coverage in a single pass. Perfect for spraying fence lines, paddocks, or crops.
Weed It Sprayers
If you want to get high-tech, look into a Weed It sprayer for sale. These precision systems use sensors to detect and target individual weeds, reducing chemical use and saving you money in the long run.
6. What to Consider Before Buying a Weed Sprayer
Here’s a handy checklist to help you pick the right model:
- Tank Size: For small jobs, 20–50L will do. For larger properties, look at 100L–600L.
- Pump Pressure: Higher PSI (pounds per square inch) = better reach and finer misting.
- Power Source: Go for battery powered, 12V, or petrol depending on your setup.
- Boom Width: Wider booms = faster coverage. Perfect for large fields.
- Mounting Style: Make sure it fits your ATV, quad, ride-on mower, or tractor.
- Build Quality: UV-stable polyethylene tanks and stainless-steel components last longer.
- Hose Length & Nozzles: Useful for spot-spraying hard-to-reach places.
If you're shopping online, you’ll often find weed spray units for sale in bundles that include booms, tanks, and all accessories, making life easier.
7. Best Weed Sprayers for Sale in Australia (2025 Update)
Here are a few crowd favourites worth checking out:
- 100L 12V ATV Weed Sprayer with Boom Kit
Compact, affordable, and easy to mount on your quad or ride-on.
- 200L Trailer Weed Sprayer with Pump and Hose Reel
Great for spraying large paddocks without refilling often.
- 300L Weed Sprayer Tank with Boomless Nozzles
A good middle ground for semi-commercial use with fast coverage.
- Weed It Smart Sprayer System
A premium option for serious farmers using GPS and sensors for precise spraying.
No matter your budget or property size, there’s a weed sprayer for sale out there that’ll suit your needs.
8. Tips for Using Your Weed Sprayer Safely & Effectively
- Always follow the chemical label instructions for mix ratios and application rates.
- Clean your tank and nozzles after every use to prevent clogging and corrosion.
- Store in a cool, dry place, especially battery-operated models.
- Wear protective gear including gloves, goggles, and a long-sleeve shirt.
- Use at the right time—spray in the morning or late afternoon when there’s no wind.
Final Thoughts: Find the Right Weed Sprayer for the Job
Choosing the right weed sprayer can make weed control easier, faster, and more effective. Whether you’re spot spraying your garden or covering hundreds of hectares, there's a model that’s just right for you.
From weed sprayer tanks and pumps to battery-powered units, ATV-mounted setups, and trailer sprayers, the options are plenty—and growing. The key is to match your sprayer to the size of your property, the type of vehicle you have, and how often you’ll be using it.
Happy spraying!