Description
Seal-Rite 300-Gallon Hand Agitated Seal Coat Trailer
The Seal-Rite 300-Gallon Hand Agitated Seal Coat Trailer is a rugged, contractor-grade sealcoat transport and agitation solution built for crews that need reliable material handling without the complexity of a spray system. This unit is NOT a spray system. Instead, it is engineered for professionals who apply sealcoat using squeegees, brushes, or pour methods and require consistent material mixing, safe transport, and long-term durability.
Built around a heavy-duty 300-gallon steel tank, this trailer is ideal for residential driveways, small commercial lots, patch work, and maintenance projects where simplicity, dependability, and cost efficiency matter. The hand agitation design eliminates hydraulic or engine-driven components, reducing maintenance requirements while still delivering thorough, uniform mixing.
Heavy-Duty Steel Tank Construction
The tank is constructed with a 7-gauge steel head and 10-gauge steel sidewalls, providing excellent resistance to abrasion, material weight, and long-term wear. This thick steel construction supports daily contractor use and helps prevent flexing or deformation when transporting full loads of material.
A properly built tank is the foundation of any sealcoat system. By using heavy-gauge steel, this unit supports long service life and dependable performance season after season.
Full Sweep Hand Agitation System
The full sweep 4-paddle hand agitation system is designed to keep sealcoat material evenly mixed throughout the tank. Featuring a 3:1 gear reduction, this system allows operators to agitate heavy material efficiently with reduced physical effort.
Each paddle is equipped with rubber wiper blades, which help scrape the tank walls clean during agitation. This design minimizes material buildup, reduces waste, and supports consistent material blending—especially important when using sanded sealcoat mixes.
Hand agitation provides reliable mixing without the need for hydraulics, motors, or fuel, making this trailer an excellent choice for crews seeking mechanical simplicity and lower operating costs.
Contractor-Grade Trailer Package
The trailer itself is built for road safety, stability, and compliance. It features a 2 5/16” Bulldog hitch rated at 12,500 lbs, adjustable safety chains, and a breakaway switch for enhanced towing security.
A 6,000 lb E-Z Lube axle with electric brakes supports the loaded tank while simplifying maintenance. The lighting package includes brake lights, running lights, a center light bar, and a lighted license plate bracket, ensuring visibility during transport between job sites.
Large Manway and Material Handling Features
Material loading and tank access are handled through a 25” gasketed manway, offering ample space for adding sealcoat, sand, or additives. The manway includes a sand grate and bag splitter, allowing crews to safely and efficiently load material without clogging or contamination.
An inner splash lid reduces mess during agitation, while the lockable outer lid adds security during transport and storage.
Material discharge is controlled through a lockable 2” full-port ball valve, paired with an aluminum quick coupler for fast, reliable hose connections and clean flow control.
Designed for Practical, Hands-On Sealcoating
This trailer is well-suited for contractors who prefer hands-on application methods and want a dependable material transport system without added mechanical complexity. Fewer powered components mean less downtime, easier maintenance, and greater reliability during peak season.
What’s Included
300-gallon steel sealcoat tank
Full sweep 4-paddle hand agitation system with rubber wipers
25” gasketed manway with sand grate, bag splitter, and splash lid
Lockable 2” full-port ball valve
Aluminum quick coupler
Heavy-duty trailer with electric brakes and full lighting package
Key Benefits
NOT a spray system – ideal for squeegee and brush application
Heavy-gauge steel tank for long-term durability
Hand agitation eliminates hydraulic or engine-driven components
Rubber wiper blades help keep tank walls clean
Contractor-grade trailer package with electric brakes
Lower maintenance and operating costs
Technical Specifications
| Specification | Details |
|---|---|
| Tank Capacity | 300 gallons |
| Tank Material | Steel |
| Tank Head | 7 gauge |
| Tank Sidewalls | 10 gauge |
| Agitation Type | Hand agitation, 4-paddle full sweep |
| Gear Reduction | 3:1 |
| Hitch Type | 2 5/16” Bulldog hitch |
| Axle | 6,000 lb E-Z Lube axle with electric brakes |
| Overall Weight | 1,925 lbs |
| Dimensions | 199” × 61” × 68” |
Available Options
41″ Brush box (unmounted on skid) – Add $425
Black paint – Add $800
Adjustable height pintle eye – Add $200
61” × 35” ramp/gate – Add $575
Spare tire (not mounted on unit) – Add $275
Spare tire (mounted on unit) – Add $550
- 17.5″ HD Wheels & Tires – Add $850
Aluminum wheels – Add $400
FAQ
Is this a spray system?
No. This unit is NOT a spray system. It is designed for manual application methods such as squeegees and brushes.
How is the sealcoat mixed?
Material is mixed using a hand-operated full sweep agitation system with rubber wiper blades and 3:1 gear reduction.
Is this suitable for commercial work?
Yes. It is commonly used for residential driveways, small commercial lots, patch work, and maintenance projects.
Does the trailer include brakes?
Yes. It features a 6,000 lb axle with electric brakes and a full DOT lighting package.
Use Case Example
A contractor servicing residential driveways and small commercial properties uses the 300-gallon hand agitated trailer to transport mixed sealcoat between jobs. With no engine or hydraulics to maintain, the crew focuses on application efficiency while relying on consistent material mixing and safe transport throughout the season.
Differentiation
Compared to powered spray systems, this trailer emphasizes simplicity, durability, and cost-effective operation. It provides professional-grade material handling without the added maintenance and complexity of pumps, engines, or hydraulic systems—making it a dependable choice for contractors who value hands-on control and long-term reliability.
Note: The 300 Trailer is a single axle trailer.
Bases Price – $8,700.00 + Shipping
Call for formal price quote.






