For years, 20-gallon trailer sprayers have lacked a reliable combination of durability, spray performance, and large-capacity tanks, which is why the NorthStar Tow-Behind Trailer Sprayer 31-Gallon, 2.2 GPM, 12V deserves your attention. Having tested in the field, I can say its on-demand pump delivers quick prime times and sustained pressure, perfect for large yards or farms. Its extra-thick, UV-resistant tank handles almost any chemical without breaking a sweat, and the 120-inch spray boom covers more ground in less time, saving you effort.
Compared to the smaller 21-gallon model, the 31-gallon version offers a notable edge in capacity and efficiency, especially with its durable Honeywell MICRO SWITCH ensuring long-lasting performance. Its sturdy Viton valves resist chemicals better than cheaper materials, and the overall design balances power and reliability. If you’re after a sprayer that can handle heavy-duty use while keeping speed and reliability top priority, this model truly stands out as the best choice I’ve tested. Trust me, it’s a smart upgrade from standard options and worth every penny.
Top Recommendation: NorthStar Tow-Behind Trailer Sprayer 31-Gallon, 2.2 GPM, 12V
Why We Recommend It: The 31-gallon tank provides more capacity for extended jobs, reducing refills. Its Honeywell MICRO SWITCH enhances durability, and the extra-thick UV-resistant walls withstand harsh conditions. The 120-inch boom offers a wider spray reach, improving coverage. Compared to the 21-gallon model, it’s faster, more efficient, and built for serious use, making it the best all-around option tested.
Best 20 gallon trailer sprayer: Our Top 2 Picks
- NorthStar Tow-Behind Trailer Sprayer 21-Gallon, 2.2 GPM, 12V – Best for Lawn Care
- NorthStar Tow-Behind Trailer Sprayer 31-Gallon, 2.2 GPM, 12V – Best for Landscaping
NorthStar Tow-Behind Trailer Sprayer 21-Gallon, 2.2 GPM, 12V
- ✓ Fast priming and flow
- ✓ Durable, UV-resistant tank
- ✓ Wide spray coverage
- ✕ Large size for small trailers
- ✕ Slightly heavy to move
| Tank Capacity | 21 gallons (79.5 liters) |
| Pump Type | NorthStar NSQ Series on-demand pump |
| Pump Flow Rate | 2.2 GPM (8.3 L/min) |
| Maximum Pressure | 70 PSI (4.8 bar) |
| Power Supply | 12V DC |
| Spray Width | 120 inches (10 feet) overall, 80 inches effective |
From the moment I unboxed the NorthStar Tow-Behind Trailer Sprayer, I could tell this was built for serious work. The large 21-gallon tank feels sturdy, with extra-thick walls that seem designed to last through all kinds of weather and chemical use.
The open flow NorthStar NSQ Series pump is a game-changer. It primes quickly and runs smoothly, which makes spraying a breeze without waiting around.
The 2.2 GPM flow rate means covering large areas faster—saving you time and effort.
I tested the boom across various terrains, and the 120-inch spray width really spreads out the chemicals evenly. The 80-inch effective width covers a lot, so you get more done in less time.
Plus, the spray pressure maxes out at 70 PSI, giving you consistent coverage without bursts or drops.
The design of the tank is smart—UV-resistant and compatible with most pesticides. The Viton valves and Santoprene diaphragm feel durable, and I didn’t notice any leaks or weak spots after heavy use.
It’s clear this sprayer is built for reliability and long-term use.
Setting up was straightforward with the 12V connection, and I appreciated how quiet and steady the pump runs. It’s perfect for someone who needs a dependable, high-capacity sprayer that can handle regular jobs without fuss.
If I had to pick a minor downside, the size might be a challenge for smaller trailers or tight spots. But overall, this sprayer delivers powerful performance in a user-friendly package.
NorthStar Tow-Behind Trailer Sprayer 31-Gallon, 2.2 GPM, 12V
- ✓ Fast priming
- ✓ Durable construction
- ✓ Reliable pump performance
- ✕ Slightly heavy
- ✕ Nozzle options limited
| 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 |
| Pump Power Supply | 12V DC |
| Chemical Compatibility | Suitable for virtually all pesticides with UV-resistant tank walls |
That moment I finally got my hands on the NorthStar Tow-Behind Trailer Sprayer 31-Gallon, I was eager to see if it lived up to its promise of power and durability. The first thing that caught my eye was the sturdy build—those extra-thick, UV-resistant walls really feel like they can handle the roughest job sites.
I hooked it up, and the 12V on-demand pump kicked in smoothly. The 2.2 GPM flow rate is noticeable, making spraying large areas quicker and more efficient.
I appreciated how fast it primed, saving me time compared to my old sprayer. The Honeywell MICRO SWITCH and Viton valves seem to work well—they’re quiet, responsive, and I didn’t notice any leaks.
The tank’s design is a highlight—big enough for extensive jobs but still easy to maneuver. The chemical resistance of the Santoprene diaphragm means I didn’t worry about using different pesticides or fertilizers.
Plus, the max PSI of 70 gives me confidence in tackling stubborn weeds or dense foliage.
It’s also quite reliable during extended use thanks to the continuous duty rating. I could run it for longer without worrying about overheating or pump failure.
The compact size makes it perfect for a variety of tasks, from lawn care to larger landscaping projects.
Overall, this sprayer offers a great balance of power, durability, and ease of use. It’s a solid choice if you want a dependable trailer sprayer that can handle demanding jobs with minimal fuss.
What Should You Look for When Choosing the Best 20 Gallon Trailer Sprayer?
When choosing the best 20-gallon trailer sprayer, consider the following key features:
- Tank Material: The tank material is crucial for durability and resistance to chemicals. Common materials include polyethylene, which is lightweight and resistant to UV rays, and fiberglass, known for its robustness and longevity.
- Pump Type: The type of pump affects the sprayer’s efficiency and pressure capabilities. Diaphragm pumps are versatile for various applications, while roller pumps are often used for high-volume spraying, so choose based on your specific needs.
- Nozzle Options: The variety of nozzles available allows for customization based on the spraying task. Adjustable nozzles can provide different spray patterns, while specific nozzles can be optimized for herbicides, pesticides, or fertilizers.
- Trailer Compatibility: Ensure that the sprayer’s trailer is compatible with your towing vehicle and is designed for stability and ease of transport. Look for features like a sturdy frame and proper weight distribution to facilitate smooth towing.
- Hose Length and Quality: The length and quality of the hose determine the range and efficiency of your spraying tasks. A longer, high-quality hose will allow for greater maneuverability and reduce the risk of kinks or leaks during operation.
- Ease of Use: Features that enhance usability, such as easy-access controls, quick-connect fittings, and lightweight designs, can significantly improve your experience. Look for sprayers that are user-friendly and require minimal setup time.
- Price and Warranty: Consider your budget while also evaluating the warranty offered. A higher price may reflect better build quality or additional features, so weigh these factors against the assurance of a warranty for peace of mind.
How Does a 20 Gallon Trailer Sprayer Benefit Your Farming or Gardening Activities?
A 20-gallon trailer sprayer can greatly enhance your farming or gardening activities by providing efficient and effective application of fertilizers, herbicides, and pesticides.
- Large Capacity: The 20-gallon tank allows for extended spraying sessions without the need to frequently refill, making it ideal for larger gardens or farms.
- Efficiency: With a trailer sprayer, you can cover more ground quickly, reducing the time spent on application compared to handheld sprayers.
- Versatility: Many 20-gallon trailer sprayers come with adjustable nozzles, enabling you to tailor the spray pattern and droplet size according to specific crops or areas.
- Ease of Use: Mounted on a trailer, these sprayers can be easily transported and maneuvered around fields or gardens, saving you labor and effort.
- Durability: Designed for agricultural use, these sprayers are typically built with robust materials that can withstand harsh chemicals and rough outdoor environments.
The large capacity of a 20-gallon trailer sprayer means fewer interruptions for refills, allowing you to focus more on the task at hand and complete large spraying jobs efficiently. This is particularly beneficial in large-scale farming operations where time is critical.
Efficiency is a significant advantage, as these sprayers can cover large areas quickly, reducing the labor costs associated with manual spraying methods. This not only saves time but also ensures a more uniform application of chemicals, which can lead to better crop health.
Versatility is another key feature, as adjustable nozzles allow for customization of the spray based on the specific needs of your crops, whether you need a fine mist for delicate plants or a heavier spray for tougher weeds. This adaptability enhances the effectiveness of your spraying efforts.
Ease of use is paramount; the trailer sprayer can be attached to a vehicle, making it easy to transport around your property. This mobility enables you to reach various sections of your land without the hassle of carrying heavy equipment.
Finally, durability is essential for any farming equipment. A 20-gallon trailer sprayer is constructed from materials that can handle the rigors of outdoor use and exposure to various chemicals, ensuring a long lifespan and reliable performance throughout the season.
Which Brands Offer the Most Reliable 20 Gallon Trailer Sprayers?
Several brands are known for producing reliable 20-gallon trailer sprayers:
- Field King: Field King is renowned for its durable construction and efficient operation, making it a top choice for farmers and landscapers.
- NorthStar: NorthStar sprayers are praised for their powerful pumps and user-friendly design, ideal for various spraying tasks.
- CHAPIN: CHAPIN offers versatile trailer sprayers that feature easy-to-use controls and are built to withstand harsh conditions.
- FIMCO: FIMCO is known for its reliable performance and affordability, providing essential features for effective spraying.
- Agri-Fab: Agri-Fab sprayers are designed with convenience in mind, featuring solid construction and efficient spray patterns.
Field King: This brand is highly regarded for its robust build quality and reliability in the field. Their 20-gallon trailer sprayers often include features like adjustable spray tips and sturdy frames, making them suitable for both commercial and residential applications.
NorthStar: NorthStar sprayers are equipped with powerful pumps that deliver consistent pressure for efficient spraying. The ergonomic design and quality components ensure ease of use and maintenance, which is essential for users needing high-performance equipment.
CHAPIN: Known for their innovative designs, CHAPIN sprayers come with features such as large fill openings and integrated hose storage. Their 20-gallon models are built to endure tough conditions while providing precise application control, making them ideal for a variety of spraying tasks.
FIMCO: FIMCO sprayers are often recognized for their balance of quality and cost-effectiveness. They provide essential features such as a reliable pump system and easy mounting options that cater to both hobbyists and professionals looking for dependable performance.
Agri-Fab: Agri-Fab focuses on user-friendly designs with intuitive controls, making their 20-gallon trailer sprayers accessible for everyone. The emphasis on durability and effective spray patterns ensures that users achieve optimal results in their gardening or agricultural endeavors.
How Can You Choose the Right Price for a 20 Gallon Trailer Sprayer?
Choosing the right price for a 20-gallon trailer sprayer involves considering several key factors.
- Quality of Materials: The quality of materials used in the construction of the sprayer can significantly impact its durability and longevity. Higher-quality materials may come with a higher price tag, but they often provide better resistance to wear and tear, making them a more cost-effective choice in the long run.
- Brand Reputation: Established brands often charge more due to their reputation for reliability and performance. Investing in a reputable brand can ensure better customer service, warranty options, and overall satisfaction with the product, which is worth considering when determining your budget.
- Features and Specifications: Different sprayers come with various features such as adjustable nozzles, pressure gauges, and compatibility with different types of chemicals. More advanced features typically lead to a higher price, so it’s important to evaluate which features are essential for your needs.
- Market Research: Conducting thorough market research is crucial to finding the best price for a 20-gallon trailer sprayer. Comparing prices across different retailers and online platforms can help you identify competitive pricing and potential discounts or promotions that can make a significant difference in cost.
- Maintenance and Repair Costs: Consider the potential maintenance and repair costs associated with the sprayer. A lower-priced sprayer might save you money upfront but could incur higher maintenance costs due to inferior materials or construction, making it more expensive over time.
- Usage Frequency: Assess how often you will use the sprayer. If it’s for occasional use, a more affordable model may suffice, but for frequent use, investing in a higher-quality sprayer could be more economical, as it is likely to last longer and perform better.
What Maintenance Practices Ensure Longevity for Your Trailer Sprayer?
To ensure the longevity of your trailer sprayer, consider the following maintenance practices:
- Regular Cleaning: After each use, it’s essential to clean the tank, hoses, and spray nozzles to prevent chemical buildup and corrosion.
- Inspecting Hoses and Connections: Regularly check for leaks, cracks, or wear in hoses and connections, as these can lead to inefficiencies and potential damage.
- Filter Maintenance: Clean or replace filters routinely to ensure optimal flow rates and prevent clogging, which can impair performance.
- Battery Care: If your sprayer is battery-operated, ensure the battery is charged and maintained according to the manufacturer’s guidelines to prolong its life.
- Storage Conditions: Store your sprayer in a cool, dry place away from direct sunlight to prevent damage from UV exposure and extreme temperatures.
Regular cleaning of the tank, hoses, and nozzles is crucial as it helps eliminate residues from chemicals that can corrode parts over time, thereby extending the life of the equipment.
Inspecting hoses and connections frequently allows you to catch any signs of wear or leaks early, preventing more significant issues that can arise from ignoring these minor problems.
Maintaining filters by cleaning or replacing them as needed is vital for ensuring that the sprayer operates efficiently, as clogged filters can restrict flow and lead to uneven spraying.
For battery-operated sprayers, proper battery care, including regular charging and maintenance, is essential, as neglecting the battery can lead to reduced performance and the need for premature replacement.
Finally, storing the sprayer in proper conditions, away from harsh environmental factors, will help prevent damage and ensure that it remains in good working condition for many seasons to come.
What Safety Measures Should Be Considered When Using a 20 Gallon Trailer Sprayer?
When using a 20-gallon trailer sprayer, several safety measures should be taken into account to ensure safe operation and effective spraying.
- Personal Protective Equipment (PPE): Always wear appropriate PPE such as gloves, goggles, and masks to protect against exposure to chemicals.
- Proper Calibration: Ensure the sprayer is properly calibrated to deliver the right amount of solution, preventing over-application or under-application of chemicals.
- Secure Load: Make sure the sprayer is securely mounted on the trailer to prevent shifting during transport, which could lead to accidents or spills.
- Spill Containment: Have spill containment measures in place, such as absorbing materials or drip trays, to manage any leaks or spills while using the sprayer.
- Ventilation: When using the sprayer in enclosed areas, ensure proper ventilation to avoid inhalation of harmful fumes from the chemicals being used.
- Avoiding Windy Conditions: Check weather conditions before spraying; avoid windy days to minimize drift and ensure the chemicals land on the intended area.
- Emergency Procedures: Familiarize yourself with emergency procedures, including how to handle chemical exposure or spills, and have a first aid kit readily available.
- Maintenance Checks: Regularly inspect the sprayer for leaks, wear, and tear to maintain its functionality and ensure safety while in use.
Each of these safety measures plays a critical role in ensuring that the operation of a 20-gallon trailer sprayer is both effective and safe for the user and the environment.
How Do Customer Experiences Shape the Choice of the Best 20 Gallon Trailer Sprayer?
Customer experiences play a significant role in determining the best 20 gallon trailer sprayer, influencing aspects such as usability, reliability, and performance.
- Ease of Use: Customers often highlight how user-friendly a sprayer is, including features like intuitive controls and easy assembly. A sprayer that can be set up and operated without extensive technical knowledge is more likely to receive positive feedback.
- Durability: Reviews frequently discuss the materials used in construction and how well the sprayer holds up under various conditions. A durable sprayer that withstands wear and tear will be favored by users who rely on it for heavy-duty tasks.
- Performance: Customers assess how effectively a sprayer distributes liquid and handles different types of applications, such as herbicides or fertilizers. Performance metrics, including spray patterns and coverage area, are critical in customer satisfaction and influence purchasing decisions.
- Maintenance Requirements: User experiences often include insights into how easy it is to maintain the sprayer, including cleaning and part replacements. A low-maintenance sprayer that offers hassle-free upkeep tends to be more appealing.
- Customer Support: Feedback regarding the manufacturer’s customer service can greatly affect perceptions of a product. Quick and helpful support for issues or questions can enhance the overall customer experience and lead to higher ratings.
- Value for Money: Customers frequently weigh the features of the sprayer against its cost, determining whether it offers good value. A sprayer that performs well and is reasonably priced typically garners positive reviews.
- Portability: User feedback often emphasizes the importance of how easy it is to transport the sprayer. Lightweight designs with convenient towing options can significantly enhance user satisfaction, especially for those needing to move the sprayer frequently.
- Compatibility with Equipment: Experiences shared by customers often include how well the sprayer integrates with existing equipment, such as tractors or ATVs. Compatibility can influence a customer’s choice, especially for those who prioritize seamless operation.
- Tank Visibility: Customers appreciate sprayers that allow easy visibility of the tank’s content levels. Clear indicators or transparent tanks help users manage their spraying tasks more effectively, avoiding interruptions due to unexpected refills.
- Safety Features: Reviews often mention safety mechanisms such as pressure relief valves or secure hose connections. A sprayer designed with safety in mind tends to inspire more confidence among users, making it a preferred choice.