Holding the NorthStar Tow-Behind Trailer Sprayer 21-Gallon for the first time, I was surprised by how solid and well-balanced it feels. The sturdy tank walls and smooth-handling fittings tell you this sprayer is built to last, even with heavy-duty use. When tested in the field, its 2.2 GPM pump delivered consistent spray, and the 120-inch boom coverage made quick work of large areas.
After comparing it to models like the Chapin 98444 and Workhorse 7-Nozzle Boom Kit, it became clear this sprayer offers the best mix of durability, chemical resistance, and effective coverage. The NorthStar’s proprietary UV-resistant tank stands out against the thinner walls of other models, and its reliable pump ensures fast priming and long-lasting operation. For serious farmers or landscapers wanting a dependable, powerful boom sprayer that’s ready for all pesticide challenges, the NorthStar Tow-Behind Trailer Boom Sprayer shines as the top choice.
Top Recommendation: NorthStar Tow-Behind Trailer Boom Sprayer 31-Gallon, 2.2 GPM
Why We Recommend It: This model offers a larger 31-gallon tank compared to others, with an on-demand 2.2 GPM NorthStar NSQ Series pump that ensures faster priming and durability. Its UV-resistant tank and Viton valves provide superior chemical resistance, making it more reliable over time. The extensive 120-inch boom coverage surpasses the 30- and 40-gallon options, allowing wider and more efficient spraying in fewer passes. These features, combined with its proven reliability in thorough testing, make it the best overall choice for heavy-duty, professional use.
Best boom sprayer for tractor: Our Top 5 Picks
- NorthStar Tow-Behind Trailer Sprayer 21-Gallon, 2.2 GPM, 12V – Best for Crop Spraying
- Chapin 98444 40-Gallon Farm Tank Sprayer with 2-Nozzle Boom – Best for Large Farms
- Workhorse Sprayers 7-Nozzle Boom Kit for UTV, 140″ Coverage – Best for Vineyard
- Agri-Fab 45-0615 Tow-Behind Sprayer Boom and Spray Wand 15 – Best for Agriculture
- NorthStar Tow-Behind Trailer Boom Sprayer 31-Gallon, 2.2 GPM – Best for Commercial Use
NorthStar Tow-Behind Trailer Sprayer 21-Gallon, 2.2 GPM, 12V
- ✓ Fast priming and steady flow
- ✓ Rugged UV-resistant tank
- ✓ Wide, even spray coverage
- ✕ Heavier than smaller models
- ✕ Slightly higher price point
| Pump Type | NorthStar NSQ Series on-demand pump |
| Flow Rate | 2.2 GPM (8.3 L/min) |
| Maximum Pressure | 70 PSI (4.8 bar) |
| Tank Capacity | 21 gallons (79.5 liters) |
| Spray Width | 120 inches (10 feet) overall, 80 inches effective |
| Power Supply | 12V DC |
Getting a consistent spray across a large field can feel like chasing your tail, especially when your old sprayer struggles with priming or runs out of pressure mid-job. I found myself fighting with unreliable pumps and uneven coverage that left me frustrated.
Then I tried the NorthStar Tow-Behind Trailer Sprayer, and it was a game-changer. Its 12V 2.2 GPM open flow pump kicks in fast, priming quickly and maintaining steady pressure.
With a maximum of 70 PSI, it handled thick pesticides and fertilizers without hesitation.
The large 21-gallon tank feels sturdy, with thick UV-resistant walls that stand up to the sun and chemicals. The design is smart—extra-thick walls mean fewer worries about leaks or damage over time.
Plus, the proprietary construction makes it compatible with most pesticides, so I didn’t have to worry about corrosion.
The boom is impressive, stretching 120 inches wide with an effective spray of 80 inches. It distributes product evenly, giving me full coverage with fewer passes.
The Viton valves and Santoprene diaphragm ensure reliable operation, even after hours of use.
What really stood out was the durability and ease of use. The continuous duty pump kept going without overheating, and I appreciated the simple controls.
It’s a solid upgrade if you’re tired of inconsistent sprayers that slow you down.
Overall, this sprayer makes large-scale spraying smoother and more efficient. It’s a sturdy, reliable tool that takes the hassle out of applying pesticides or fertilizers on your tractor.
Just fill, connect, and spray—simple as that.
Chapin 98444 40-Gallon Farm Tank Sprayer with 2-Nozzle Boom
- ✓ Large, chemical-resistant tank
- ✓ Easy setup and connection
- ✓ Effective triple filtration
- ✕ Heavy when full
- ✕ Slightly pricey
| Tank Capacity | 40 gallons (151 liters) |
| Tank Material | Translucent chemical-resistant poly |
| Pump Flow Rate | 2.5 GPM (gallons per minute) diaphragm pump |
| Power Source | 12V battery (vehicle electrical system) |
| Hose Length | 180 inches (15 feet) |
| Filtration System | Triple filtration including in-tank filter, filter cap basket, and shut-off filter |
The first thing that catches your eye when you unbox the Chapin 98444 is its massive 40-gallon tank. It’s made from a translucent poly material, so you can easily see the chemical levels without guesswork.
The 6-inch opening makes refilling and cleaning straightforward, which is a huge plus when you’re juggling multiple tasks.
Setting it up is surprisingly simple. The included wiring harness with alligator clips connects quickly to your tractor’s 12V battery.
You’ll appreciate how the diaphragm pump can run dry without damage—no more worrying about clogged lines or needing to shut everything down mid-job.
The boom itself is a game-changer. With two nozzles on a sturdy 2-inch boom, covering large areas feels effortless.
The 20-inch poly spray wand offers excellent reach, and the reinforced hose makes maneuvering easy without kinks or fuss.
Filling and draining are hassle-free thanks to the built-in 3/4-inch port in the 2-inch drain. Plus, the triple filtration system keeps clogging to a minimum, saving you time and frustration.
The locking S-clips on the ratchet straps add extra security, so you won’t worry about the sprayer shifting or bouncing during your work.
Overall, this sprayer feels sturdy and well-designed, perfect for farm or large lawn use. It handles fertilizers, weed control chemicals, and other liquids with ease, making your job faster and less messy.
The only downside? It’s a bit on the heavy side when full, so plan accordingly for transportation.
Workhorse Sprayers 7-Nozzle Boom Kit for UTV, 140″ Coverage
- ✓ Heavy-duty construction
- ✓ Wide 140″ coverage
- ✓ Easy to install
- ✕ Slightly heavy to handle
- ✕ Assembly required
| Material | Heavy-duty corrosion-resistant steel alloy |
| Coverage Width | 140 inches |
| Number of Nozzles | 7 adjustable nozzles |
| Boom Adjustment Range | Over 300 degrees of adjustable angles |
| Mounting Compatibility | 2-inch receiver hitch |
| Sprayer Compatibility | Universal boom components suitable for various sprayers |
Many folks assume that setting up a boom sprayer like this one is a headache, but I found the opposite to be true. The Workhorse 7-Nozzle Boom Kit instantly upgrades a basic spot sprayer into a professional-grade equipment.
The first thing I noticed was its sturdy build—heavy-duty metal that felt solid in my hands. It’s designed to resist weather, corrosion, and chemicals, so I didn’t have to worry about rust or damage after a few rain showers.
Installation was surprisingly straightforward. The quick-attach system and spring-loaded wings made mounting and folding a breeze, even for a DIYer.
I appreciated the universal boom components, which fit my 2-inch receiver hitch without fuss. Once attached, the adjustable nozzles and 300-degree tilt gave me control over spray patterns, making coverage super even.
The 140-inch range covered a large area quickly, saving me time on my large property. I tested spraying pesticides and weed killer, and the even flow from all seven nozzles meant no patchy spots.
The fold-out design helped me reach tricky corners, and the durability meant I didn’t worry about wear and tear after multiple uses.
Yes, it requires some assembly, but all parts and instructions are clear. It’s built for heavy-duty use, so if you’re maintaining large outdoor spaces or a farm, this sprayer offers serious value.
Just keep in mind that it’s a bit heavy, so some help might be needed for mounting. Overall, it’s a reliable, versatile upgrade for your tractor setup.
Agri-Fab 45-0615 Tow-Behind Sprayer Boom and Spray Wand 15
- ✓ Reliable 100 psi pump
- ✓ Wide spray coverage
- ✓ Durable build quality
- ✕ Initial setup takes time
- ✕ Slightly heavy for prolonged use
| Sprayer Pump Pressure | 100 psi |
| Flow Rate | 1.6 GPM |
| Tank Capacity | 15 gallons |
| Boom Width | 30 inches |
| Spray Wand Length | 23.5 inches |
| Hose Length | 19 feet |
The moment I grabbed the Agri-Fab 45-0615 sprayer, I immediately noticed how sturdy and well-balanced it felt in my hands. The 15-gallon tank has molded fill indicators, which made mixing solutions quick and mess-free—no more guessing or spills.
When I turned on the 100 psi pump, the spray flow was consistent, covering my fields evenly without sputtering.
The boom width of 30 inches means I could cover a decent area with each pass, saving me time. The check valves in the boom tips prevented any unwanted siphoning or dripping, which is a real plus when moving between different sections of my yard.
The 23 1/2-inch spray wand and 19-foot hose gave me precise control for spot treatments and hard-to-reach spots.
Using the sprayer on my tractor was straightforward. The design aligns well with my tractor hitch, and the build quality feels robust, promising durability.
I appreciated how quiet the pump was during operation, and the three-year limited warranty offers peace of mind. It’s obvious that this sprayer is built for serious use, especially given it’s made in the USA.
Overall, this boom sprayer balances power, precision, and ease of use. It’s perfect for both small farms and large yards needing reliable coverage.
The only minor hiccup was the initial setup, which took a few minutes to get everything dialed in. But once in action, it performed flawlessly.
NorthStar Tow-Behind Trailer Boom Sprayer 31-Gallon, 2.2 GPM
- ✓ Fast priming and flow
- ✓ Durable construction
- ✓ Chemical resistant valves
- ✕ Bulky size
- ✕ Requires space for storage
| Pump Type | On-demand, open flow 12V diaphragm pump |
| Flow Rate | 2.2 GPM (8.3 liters per minute) |
| Maximum Pressure | 70 PSI |
| Tank Capacity | 31 gallons (117 liters) |
| Chemical Compatibility | Suitable for virtually all pesticides, with UV-resistant, extra-thick walls |
| Durability Features | Honeywell MICRO SWITCH, Santoprene diaphragm, Viton valves for chemical resistance and long service life |
From the moment I pulled this NorthStar Tow-Behind Trailer Boom Sprayer out of the box, I could tell it was built for serious work. The large 31-gallon tank feels rugged, with thick walls that scream durability.
I especially appreciated how the UV-resistant coating keeps it looking fresh after multiple uses under the sun.
Firing up the 12V 2.2 GPM pump was a breeze. The instant flow and fast priming meant I was spraying in no time, without the usual hassle of waiting for pressure to build.
The Honeywell MICRO SWITCH impressed me with its durability, feeling solid and responsive every time I flipped the switch.
The Santoprene diaphragm and Viton valves handle chemicals like a champ—no worries about corrosion or leaks. The max 70 PSI gives just enough pressure for even coverage without overdoing it.
It’s perfect for both herbicide and fertilizer applications, with a design that’s compatible with most pesticides.
What really stood out was the ease of use. The large, easy-to-access fill cap made refilling quick, and the on-demand pump kept everything running smoothly during extended spraying sessions.
Plus, the trailer hitch setup is straightforward, making it simple to attach to your tractor and hit the field.
Sure, it’s a bit bulky, so storage might be a concern if space is tight. But overall, this sprayer combines power, reliability, and user-friendly features that make it a top choice for serious farmers or large-scale gardeners.