SR-850 Trailer

Product Description

• 850-gallon steel tank with 7 gauge heads and 10 gauge sidewalls
• 2 5/16” Bulldog hitch with 25,000 lb. capacity, a breakaway switch and adjustable 26,400 lb. safety chains
• Enclosed tongue and front deck with removable swing open gates on each side, with room for a blower and grazor
• 30-gallon air compressor powered by an electric start gasoline motor
• 50’ of air hose and a quick connect
• Hydraulic agitation featuring a 4” agitator shaft with infinitely variable speeds in forward and reverse, complete with a full sweep, four paddle agitation system with 3/8” thick rubber wiper blades on each paddle that rub the sidewalls for a cleaner tank
• Two 7,000 lb. EZ-Lube Torsion axles, both equipped with electric brakes and 16” load range E, 10 ply tires on 8 hole wheels
• 25” gasketed manway with a sand grate, bag splitter, inner splash lid and lockable outer lid
• 2” Wilden air-operated, dual-diaphragm pump that can handle heavy sand/additive loads
• 3-gallon filter pot that reduces down time
• Hannay 150’ swivel mount hose reel, with 100’ of 3/4” 300 psi hand hose and a 6 1/2’ aluminum spray wand
• Brake lights, running lights, a center light bar and a lighted license plate bracket

Bonus Features

• Add the water tank without losing any space on your unit
• The compressor also supplies air for your tires, allows cleaning of small cracks and runs pneumatic tools
• The front deck is large enough to hold (2) 13 HP Billy Goat Force Blowers
• These fenders won’t sag, no matter how many people or bags of sand you put on them
• We build our trailers around our tanks. They are NOT utility trailers
• Some states consider these units equipment (not trailers) and do not require licensing – check your state’s licensing requirements
• The side of the unit is blank so you can put YOUR important information on the tank
• Enclosed storage areas in front and back of unit are great for storing smaller items such as spray tips, wrenches, screwdrivers, hammers and caution tape
• If you buy a blower or grazor with your unit – we’ll assemble it, throw in a complimentary Sur-Lock AND mount them on the front deck for you at no additional cost

Frequently Asked Questions

1. What is the SR-850 trailer used for?
   The SR-850 trailer is designed for high-production sealcoating contractors handling large commercial parking lots, municipalities, and industrial asphalt maintenance projects. Its 850-gallon capacity allows for extended operation with fewer refills, making it ideal for large-scale work.
2. What type of tank does the SR-850 trailer include?
   The SR-850 features an 850-gallon heavy-duty steel tank with 7-gauge heads, 10-gauge sidewalls, and reinforced tank ends. This construction is built for long-term durability under continuous commercial use.
3. What pump system is used on the SR-850 trailer?
   It is equipped with a 2” air-operated dual-diaphragm pump capable of handling heavy sand and additive-loaded sealcoat materials. This ensures smooth, consistent material flow during application.
4. Does the SR-850 trailer include an agitation system?
   Yes, it includes a hydraulic agitation system with a full sweep four-paddle design and variable speed control in forward and reverse. This keeps material properly mixed and prevents settling during extended operation.
5. What features improve productivity on the SR-850 trailer?
   The SR-850 trailer includes a 30-gallon air compressor, 50 feet of air hose with quick connect, a filter pot system, hose reel with spray wand, equipped with torsion axles, and enclosed storage areas for tools and accessories. These features help reduce downtime and improve overall job efficiency.

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