







Features
Standard features on the SandPup TR 300
Reliable, Air-Driven Diaphragm Pump
- The low-maintenance, dual diaphragm pump is built to handle heavy sand loads without clogging.
- It delivers the output needed to keep material moving, maximizing application speed on the job.

Versatile Material Application
- The SandPup TR 300 is designed to mix and apply pavement sealers with and without sand.
- The added flexibility allows you to take on a wider range of jobs without needing multiple pieces of equipment.
300-Gallon Tank with Full-Sweep Agitation
- The 300-gallon tank features hydraulically controlled, full-sweep agitation to keep material properly mixed to prevent separation.

Built-In Safety and Lighting
- The SandPup TR 300 features advanced running lights, brake lights and a reliable break-away system for safe transport.

Efficient Filtration System
- The advanced filtration system features a one-gallon basket strainer designed to keep debris and contaminants out of your system.
- Reduces the risk of clogs and protects key components, helping you avoid unnecessary downtime.


Manual Hose Reel with 75-Foot Hose
- The hand-operated hose reel makes it easy to pull out and rewind your hose during and after use.
- Keeping the hose controlled helps prevent tangling and damage, while speeding up cleanup between jobs.
- The 75-foot hose provides the reach needed to cover larger areas without the hassle of frequent repositioning.

Manual Hose Reel

Hide-Away Spray Wand Holder

Dual Diaphragm Pump

Safety Break-Away Braking System
Optional features
Custom Built to Fit Your Needs
Brush Water Box 40”
Save money and extend the life of your brushes and squeegees by soaking them in the brush water box to prevent sealers from drying on your tools.
14-Gallon Poly Water Tank
Ensure convenient access to water on the jobsite with a mounted water tank ideal for cleanup and material dilution.
Specifications
SealMaster
TR 300
SandPup Trailer
Dimensions
| Height | 68″ |
|---|---|
| Width | 67″ |
| Length | 156″ |
| Weight | 1,920 lbs. |
| Wheel Base | 60″ |
Tank & Agitation
| Tank Capacity | 300 gallons |
|---|---|
| Agitation System | Hydraulically controlled full-sweep agitation with rubber wiper blades |
Engine & Air Compressor
| Engine | 5.5 HP |
|---|---|
| Air Compressor Output | 14.6 SCFM |
| PSIG | 125 |
Material Pump
| Type | Dual Diaphragm |
|---|



Flexible Buying Options
Equipment Rentals
Try the SandPup TR 300 before you buy. Ask about available rental options to experience the performance of SealMaster’s industry-leading equipment.
Financing Options
Get the equipment you need without the upfront burden. Attractive financing options are available to help you continue growing your business.
Trusted by Contractors, Municipalities and DOTS Nationwide
Unlike others in the industry, SealMaster has the largest dedicated dealer network providing local expertise, service and parts availability when you need it. From startup contractors to established crews, SealMaster is built to support your operations at every stage.


