Looking for a pull-behind water tank or sprayer to cover your lawn with minimal effort? This guide showcases five top options that pair well with lawn mowers and tractors. Each product is best for a specific need—larger lawns, precision spot spraying, or compact storage. Use the quick comparison table below to decide which model fits your spraying workflow, then read detailed sections to understand who each option is best for and why. The table also notes capacity, spray width, and key strengths for easy side-by-side decisions.
| Product | Tank Capacity | Key Benefit | Best For |
|---|---|---|---|
| Grass Guardian 25 Gallon Pull-Behind Trailer | 25 gal | 7′ broadcast swath, spot spray up to 20 ft | Medium to large lawns, general spraying |
| NorthStar Tow-Behind Sprayer | 21 gal | 2.2 GPM pump, 120″ spray width | Professional-grade, wide-area coverage |
| Brinly ST-152BH-A Tow Behind Sprayer | 15 gal | Collapsible boom, self-storing | Compact storage, narrow spaces |
| Ameri-Kart Boat Water Tank B517201 | 24.5 gal | Poly tank, durable white container | All-purpose water transport and spraying |
| Agri-Fab 48-In Tow-Behind Aerator | — | Soil aeration to improve uptake | Lawn health and root development |
Grass Guardian 25 Gallon Pull-Behind Trailer Broadcast Sprayer
The Grass Guardian model features a 25-gallon translucent tank with raised volume markings for easy monitoring. It delivers a 7-foot broadcast spray swath and supports spot spraying up to 20 feet horizontally. This makes it well-suited for mid-sized lawns where uniform coverage saves time and reduces overlap. Best for homeowners and property managers who want straightforward, visually guided mixing and spraying without frequent refills.
Best for: homeowners with medium lawns who need reliable, even coverage and simple volume checks. The 7′ swath helps limit passes, reducing time spent traversing the yard. Cautions: ensure compatibility with chemicals and avoid overfilling beyond the tank’s markings. The data supports a practical, general-purpose spray setup rather than specialized edge work.
NorthStar Tow-Behind Trailer Boom Broadcast Sprayer
The NorthStar sprayer uses a commercial-grade NSQ series pump rated at 2.2 GPM and 70 PSI. It includes a 21-gallon UV-resistant tank on a rugged steel cart with 12-inch pneumatic wheels. A standout feature is the spring-loaded breakaway boom with 120 inches of spray width and independent nozzle control, offering precise coverage and resilience on uneven terrain. This model is best for pros or avid DIYers who need fast, wide-area spraying with durable construction.
Best for: users who prioritize professional-grade components, long operation cycles, and wide-area coverage. Choose this if you frequently spray large lawns or fields. Caution: the setup is heavier and may require a stronger towing vehicle and more maintenance than smaller units.
Agri-Fab 45-0595 Push Sprayer
This model is a 6-gallon white-tank sprayer with a 1.0 GPM, 40 PSI Delavan pump and a 12-volt battery. It includes a rugged translucent tank with molded fill indicators in gallons. While not strictly tow-behind, it remains a versatile option for smaller jobs and when a compact, portable solution is preferred. Best for: small lawns or tight spaces where a push sprayer is more maneuverable than hitch-mounted options. Limitation: not a tow-behind unit, so mobility is manual rather than vehicle-towed.
Ameri-Kart Boat Water Tank B517201
The Ameri-Kart boat water tank offers a 24.5-gallon capacity in a polyethylene white container. Its dimensions (approximately 30″ L x 18″ W x 10.5″ H) suggest a compact footprint suitable for trailer or small workshop setups. This tank can serve general water transport or be paired with sprayer equipment for lawn applications. Best for: users who want a straightforward, durable water reservoir with simple mounting options. Caution: check compatibility with any spray attachments and ensure proper sealing to prevent leaks during transport.
Agri-Fab 48-In Tow-Behind Lawn Plug Aerator
This aerator is designed to pull plugs up to 3 inches deep, improving soil aeration, water uptake, and nutrient penetration. Although it’s not a sprayer, it complements a lawn care setup by enhancing root development and lawn health. Best for: those focusing on long-term lawn improvement and soil health. Limitation: does not spray or hold liquids; use with a separate sprayer if you need irrigation or chemical coverage.
Buying Guide: Tow-Behind Water Tanks And Sprayers
Key considerations for choosing a pull-behind water tank or sprayer include capacity, spray width, pump type, and tank material. Match these factors to your lawn size, terrain, and preferred workflow.
- Capacity and coverage: Larger tanks (20–25 gallons) reduce refills on mid-sized lawns. Wider spray booms increase area coverage but may require slower, more controlled passes.
- Pump performance: Higher GPM and PSI support faster application, but require stable power sources and vehicle capability. Continuous-duty ratings matter for frequent, long sessions.
- Construction and durability: UV protection, corrosion resistance, and breakaway booms improve longevity in outdoor conditions. Fully powder-coated frames resist rust and wear.
- Storage and maneuverability: Collapsible booms and compact tank footprints help with storage in garages or sheds. Consider whether a tow behind unit fits your trailer hitch and lift system.
- Chemical compatibility and safety: Confirm tank materials are compatible with the chemicals you plan to use. Ensure seals, fittings, and valves meet safety standards for agricultural use.
How To Choose For Your Yard Size And Setup
For mid-sized lawns with a standard riding mower or compact tractor, a 21–25 gallon tow-behind sprayer with a wide spray width is typically ideal. If storage space is limited or you frequently navigate tight gates, a 15-gallon unit with a compact design or a tow-behind sprayer with a collapsible boom can be advantageous. If you primarily need water transport rather than chemical spraying, prioritize tank durability and mounting options. For soil improvement alongside spraying, pair a conditioning aerator with a compatible sprayer to optimize root growth and nutrient uptake.
Frequently Asked Questions
- What size tow-behind sprayer is best for a typical suburban lawn?
Answer: A 20–25 gallon tank with a spray width around 60–120 inches is a common balance of coverage and manageability for typical suburban lawns. - Can I spray Roundup or other herbicides with these tanks?
Answer: Yes, provided the tank material is compatible and you follow label directions for the chemical. Use dedicated hoses and valves where required by the chemical product. - Do tow-behind sprayers require special hitch hardware?
Answer: Most units use standard hitch connections, but verify fit with your mower or tractor and any trailer or lift equipment you use. - Is a collapsible boom worth it?
Answer: Yes, for storage and maneuverability in tight spaces. It reduces space needs when not in use and helps you pass through narrow gates. - What maintenance is needed after spraying?
Answer: Rinse the tank and lines after each use, check seals for wear, and inspect the boom and nozzles for clogs or damage to maintain consistent spray patterns. - Can these tanks be used for non-agricultural applications?
Answer: Yes, many are suitable for water transport, irrigation, and general liquid handling in home landscapes and small farms.