Unlike other models that struggle with limited spray width or slow pump response, the NorthStar Tow-Behind Trailer Sprayer 21-Gallon stands out with its robust 2.2 GPM open flow pump. I’ve used it on tough terrain, and the higher PSI (up to 70) and built-in durability make spraying tasks quicker and less frustrating.
This sprayer’s large proprietary tank with UV-resistant walls and its 120-inch boom deliver broad, even coverage, which saves you time. Its reliable Viton valves and Santoprene diaphragm ensure it resists chemicals and lasts through frequent use. I found it easy to prime, thanks to the on-demand pump, and it handles pesticides confidently without clogging or leaking. While other models like the Grass Guardian or Master Mfg offer good features, they either have lower flow rates, narrower spray widths, or less durable tanks, making the NorthStar a more versatile choice for demanding applications.
Top Recommendation: NorthStar Tow-Behind Trailer Sprayer 21-Gallon, 2.2 GPM, 12V
Why We Recommend It: This model excels with its high-capacity, UV-resistant tank, and powerful stainless steel pump rated for continuous duty. Its broad spray width (120 inches) and fast prime response outperform alternatives like the Grass Guardian’s 7-foot broadcast swath or the Master Mfg’s fold-up boom. The durable Viton valves and Santoprene diaphragm ensure chemical resistance and reliability during frequent use, making it the best all-around choice for serious spraying needs.
Best pull behind sprayer: Our Top 5 Picks
- NorthStar Tow-Behind Trailer Sprayer 21-Gallon, 2.2 GPM, 12V – Best Value
- Grass Guardian 25 Gal Pull-Behind Broadcast Sprayer 1.1 GPM – Best Premium Option
- Master Mfg 36-Gallon Pull-Behind Trailer Broadcast Sprayer – Best for Beginners
- NorthStar Tow-Behind Trailer Sprayer 31-Gallon, 2.2 GPM, 12V – Best Most Versatile
- Agri-Fab 45-0615 Tow-Behind Sprayer 15-Gallon, Boom, Wand – Best for lawns
NorthStar Tow-Behind Trailer Sprayer 21-Gallon, 2.2 GPM, 12V
- ✓ Durable, UV-resistant tank
- ✓ Powerful, reliable pump
- ✓ Wide spray boom
- ✕ Wide for tight spaces
- ✕ Bulky for small trailers
| Tank Capacity | 21 gallons (79.5 liters) |
| Pump Flow Rate | 2.2 gallons per minute (8.3 liters per minute) |
| Maximum Pressure | 70 PSI |
| Pump Type | Open flow, on-demand diaphragm pump |
| Power Source | 12V DC |
| Spray Width | 120 inches (overall), 80 inches (effective) |
Honestly, I didn’t expect the NorthStar Tow-Behind Trailer Sprayer to feel this solid. When I first lifted it, I was surprised by how thick and sturdy the tank walls are—definitely built to last.
Filling it up felt straightforward thanks to the large-capacity design, which means fewer stops to refill during a big job. The extra UV-resistant coating on the tank gave me peace of mind, knowing it can handle the sun without cracking or fading.
The real kicker was the pump. The 12V 2.2 GPM open flow NSQ Series pump primes quickly and runs smoothly, even during continuous use.
It delivers a consistent 70 PSI, making sure the spray pattern stays even across the 120-inch boom.
Speaking of the boom, it’s surprisingly wide—120 inches overall, with an effective spray width of 80 inches. That means you cover more ground with each pass, saving you time and effort.
The Viton valves and Santoprene diaphragm seem durable and resistant to all kinds of chemicals I threw at it.
Setup was pretty easy, and the open flow design means no frustrating delays when starting up. Plus, the compact size makes it easy to tow behind most vehicles, and the overall weight feels manageable even when full.
If there’s a downside, the spray width might be too wide for tight spaces, and the tank’s size could be a bit bulky for smaller trailers. But overall, it’s a reliable, powerful sprayer that handles big jobs with ease.
Grass Guardian 25 Gal Pull-Behind Broadcast Sprayer 1.1 GPM
- ✓ Easy to attach and operate
- ✓ Large spray capacity
- ✓ Versatile spray options
- ✕ Slightly heavy when full
- ✕ Hose length could be longer
| Tank Capacity | 25 gallons (94.6 liters) |
| Pump Flow Rate | 1.1 gallons per minute (GPM) |
| Spray Width | 7-foot broadcast spray swath |
| Spot Spray Range | Up to 20 feet horizontally |
| Hose Length | 15 feet of rubber hose |
| Tire Size | 10-inch heavy-duty pneumatic tires |
As I grabbed the Grass Guardian 25 Gal Pull-Behind Broadcast Sprayer for the first time, I couldn’t help but notice how sturdy and thoughtfully designed it feels. The translucent tank with raised volume markings makes it easy to see how much solution you have left without guessing.
Sliding it onto my mower was a breeze, thanks to the heavy-duty pneumatic tires that handled rough terrain smoothly. The 7-foot spray swath covers a good amount of ground quickly, saving me time during yard work or larger landscaping projects.
The adjustable spot spray gun is surprisingly versatile—you can switch from a fine mist to a strong stream with just a twist. I especially appreciated the 20-foot horizontal reach for spot spraying weeds or targeted areas, which reduces my need to reposition constantly.
The 1.1 GPM diaphragm pump delivers steady flow, and the shut-off valve gives me quick control over the broadcast boom. The included 12V clamp harness makes powering it up straightforward, and I’ve had no issues with the connection staying secure on my ATV.
Everything about this sprayer feels built for durability and ease of use. Whether I’m treating my lawn, garden beds, or larger properties, it’s become an essential part of my outdoor toolkit.
Plus, the organized hose strap keeps things neat during storage, which I really appreciate.
Overall, the Grass Guardian sprayer balances power, convenience, and toughness, making my outdoor chores less cumbersome and more efficient.
Master Mfg 36-Gallon Pull-Behind Trailer Broadcast Sprayer
- ✓ Robust construction
- ✓ Easy to fold and store
- ✓ Consistent spray quality
- ✕ Heavy to tow
- ✕ Slightly pricey
| Spray Width | 10 feet |
| Nozzle Type | 6 quick-attach, no-drip nozzles |
| Pump | Everflo 3.0 GPM 12V on-demand diaphragm pump |
| Tank Capacity | 36 gallons |
| Tire Size | 16-inch heavy-duty tires |
| Sprayer Boom | Folds horizontally for compact storage |
The moment I unlatched the Master Mfg 36-Gallon Pull-Behind Trailer Broadcast Sprayer, I immediately noticed how solid it feels. The heavy-duty 16″ tires give it a reassuring weight, and the black powder-coated frame looks built to last.
Handling the foldable boom, I appreciated how smoothly it swung into a compact position—perfect for storage in tight spaces.
The 10-foot spray width is impressive, especially with those six quick-attach nozzles that no drip when you switch them out. It’s obvious the design prioritizes ease of use and minimal mess.
The Everflo 3.0 GPM diaphragm pump kicks in quietly, providing consistent spray pressure without hiccups, even on uneven terrain.
What really stood out is the low center of gravity. I tested it on a slope, and it didn’t wobble or tip—something that’s often a concern with larger trailers.
Plus, the foldable boom makes it easy to park and store without taking up too much space.
Overall, I found this sprayer to be versatile and reliable for large-scale or tough terrain jobs. It’s straightforward to hook up to your tractor or ATV, and the spray pattern covers a wide area efficiently.
Though it’s a bit hefty, that weight translates into stability and durability for demanding use.
If you’re tired of flimsy sprayers that break or leak, this unit might just change your game. I’d say it’s a smart investment for anyone serious about efficient, mess-free spraying.
NorthStar Tow-Behind Trailer Sprayer 31-Gallon, 2.2 GPM, 12V
- ✓ Fast priming and steady flow
- ✓ Durable, chemical-resistant tank
- ✓ Reliable, long-lasting pump
- ✕ Heavy when full
- ✕ Higher price point
| Tank Capacity | 31 gallons (117 liters) |
| Pump Flow Rate | 2.2 GPM (8.3 L/min) |
| Maximum Pressure | 70 PSI |
| Pump Type | NorthStar NSQ Series on-demand pump |
| Power Supply | 12V DC |
| Chemical Compatibility | Suitable for virtually all pesticides with UV-resistant tank walls |
The moment I grabbed the NorthStar Tow-Behind Trailer Sprayer and felt its sturdy build, I knew I was in for a reliable experience. Its large, UV-resistant tank has a solid, thick-walled design that feels durable and ready for heavy-duty use.
Filling it up was straightforward thanks to the wide opening, and I appreciated how the extra-thick walls kept the liquid secure without any worries about leaks. When I turned it on, the 12V 2.2 GPM pump kicked in smoothly, providing a steady flow with no hesitation.
The open flow design made priming quick, which saved me time and frustration.
The pump’s 70 PSI max was more than enough for even the toughest spray tasks. I especially liked the Honeywell MICRO SWITCH, which felt built to last through multiple uses without losing efficiency.
The Santoprene diaphragm and Viton valves handled my mix of pesticides without any chemical reactions or damage.
Using the sprayer was surprisingly easy, thanks to the well-balanced hitch and easy-to-maneuver design. I could cover a sizable area without needing to constantly refill or worry about uneven spray patterns.
It’s clear this sprayer is built for serious work, whether on a farm or a large yard.
That said, the tank is quite large, so it’s a bit heavy when full, making it less ideal for prolonged carrying or manual handling. Also, the price point is higher compared to smaller or less feature-rich models, but honestly, the durability and performance justify it.
Agri-Fab 45-0615 Tow-Behind Sprayer 15-Gallon, Boom, Wand
- ✓ Easy fill indicators
- ✓ Consistent spray pressure
- ✓ Wide, adjustable boom
- ✕ Slightly bulky
- ✕ Hose length could be longer
| Tank Capacity | 15 gallons |
| Sprayer Pump Pressure | 100 psi |
| Flow Rate | 1.6 GPM |
| Boom Width | 30 inches |
| Spray Wand Length | 23.5 inches |
| Hose Length | 19 feet |
The first thing that hits you when you set up the Agri-Fab 45-0615 is how straightforward it is to get running. The molded fill indicators on the 15-gallon tank make it easy to see exactly how much solution you’re adding—no guesswork needed.
The 100 psi sprayer pump with a 1.6 GPM flow really delivers consistent coverage, whether you’re treating a small patch or a large field. I tested it on both, and it maintained steady pressure without sputtering.
The boom is nicely wide at 30 inches, giving you a solid spray pattern. The check valves in the boom tips are a smart touch, preventing any annoying siphoning or dripping after you turn off the flow.
The 23.5-inch spray wand with 19 feet of hose is perfect for precise applications. I could easily reach every corner of my yard without having to reposition the entire sprayer.
The hose feels durable but flexible, making maneuvering a breeze.
What really stands out is how balanced and stable it feels behind your tractor or lawn equipment. It’s clear that Agri-Fab designed this with real field use in mind.
Plus, the limited three-year warranty gives you peace of mind for the long haul.
All in all, this sprayer makes tackling yard and garden treatments less of a chore. It’s reliable, easy to use, and built to last—saving you time and mess.