Seal-Rite SR-550 Sealcoating Trailer with Extended Deck – 550 Gallon Hydraulic Agitation System

The Seal-Rite SR-550 Trailer with Extended Deck is a professional-grade 550-gallon sealcoating trailer system designed for contractors who demand durability, efficiency, and full pavement maintenance capability in one unit.

Built with a heavy-duty steel tank featuring 7-gauge heads and 10-gauge sidewalls, this trailer is engineered to handle the toughest sealcoating jobs. The hydraulic agitation system and complete spray system allow you to load sealer and get straight to work.

With its 2-foot extended metal deck, heat shield, and dual propane tank holders, this trailer is also ready to support crack filling operations with a 30-gallon melter.

Key Features

Heavy-Duty 550 Gallon Steel Tank

• 7-gauge tank heads
• 10-gauge sidewalls
• Built for long service life and demanding daily use

Hydraulic Agitation System

• Infinitely variable speeds (forward and reverse)
• Full sweep four-paddle agitation system
• 3/8" thick rubber wiper blades clean tank sidewalls
• Ensures consistent sealer mixture

Extended Equipment Deck

• 2' extended metal deck
• Heat shield for crack melter protection
• Dual propane tank holders
• Supports up to 30-gallon crack melter

Complete Sealcoating System Includes

Spray System

• 2" Wilden air-operated dual diaphragm pump
• Handles heavy sand and additive loads
• 3-gallon filter pot reduces downtime
• Hannay 100' swivel mount hose reel
• 100' of 3/4" 300 PSI hose
• 6.5' aluminum spray wand

Water System

• 29-gallon plastic water tank
• 5 GPM Wilden air-operated diaphragm pump
• 50' hose and nozzle

Air System

• 30-gallon air compressor
• Electric start gasoline motor
• 50' air hose with quick connect

Trailer & Construction Features

• 2 5/16" Bulldog hitch (12,500 lb capacity)
• Breakaway safety system
• Adjustable 26,400 lb safety chains
• Two 6,000 lb axles with electric brakes
• 16" Load Range E 10-ply tires
• 8-hole wheels
• 41" brush box
• Enclosed tongue
• Metal front deck
• Swing-open equipment storage gates
• Brake lights, running lights, center light bar
• Lighted license plate bracket

Manway & Tank Access

• 25" gasketed manway
• Sand grate and bag splitter
• Inner splash lid
• Lockable outer lid

Specifications

• Tank Capacity: 550 Gallons
• Trailer Weight: 3,610 lbs
• GVWR: 9,950 lbs
• Dimensions: 231" L × 69" W × 81" H

Ideal For

• Professional sealcoating contractors
• Parking lot maintenance companies
• Municipal pavement maintenance crews
• Contractors offering sealcoating and crack filling services

Why Choose the Seal-Rite SR-550 Trailer?

The SR-550 Trailer with Extended Deck is designed for contractors who want a complete sealcoating and crack filling platform. Its hydraulic agitation, powerful pumping system, and extended equipment deck allow crews to tackle larger jobs efficiently while maintaining consistent material quality.

This system combines durability, productivity, and versatility into a single high-performance sealcoating trailer.

**Does not include shipping, please call 877-767-4622 for a freight quote