SR-850 Extreme Trailer

Product Description

Your all-in-one sealcoating trailer! Best for large commercial jobs this 850 gallon steel tank has 7 gauge heads, 10 gauge sidewalls and reinforced tank ends. With so many options and extra deck space, this sealcoating trailer is ready to work.

• 850-gallon steel tank with 7 gauge heads, 10 gauge sidewalls and reinforced tank ends
• 2 5/16” adjustable coupler with 25,000 lb. capacity, a breakaway switch and adjustable 26,400 lb. safety chains
• Tongue with enough room to hold two 2 gallon pour pots and a 30 gallon melter
• Extra large metal front deck easily holds three blowers and a grazor, also comes standard with a 61” x 35” ramp/gate  and removable swing gates
• Lockable spare tire that matches those on the trailer, mounted underneath the extra-large deck
• 100-gallon plastic water tank with 5 gpm Wilden air-operated, dual-diaphragm pump, 50’ of hose on a spring retractable reel and a nozzle
• Flush-out system that easily fills the filter pot, pump, plumbing, hose reel and spray wand with water from the water tank
• Enclosed 30-gallon air compressor powered by an electric start gasoline motor with 50’ of air hose on a spring retractable reel and a quick connect
• Hydraulic agitation featuring a 4” agitation 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. E-Z 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
• Safety features include: 5-gallon water jug bracket, two LED backup lights and alarm, four LED strobe lights, a 52″ LED light bar, four LED brake lights/running lights, LED center lights bar, lighted license plate bracket
• Work Horse features include: 41″ brush box, tool storage rack for brooms/shovels, 9 gallon fuel tank with 10’ of hose and a nozzle, extra-wide fenders, bracket that can hold two 30 or 40 pound propane bottles, 24″ x 18″ x 18″ lockable metal tool storage box
• Rear-mounted control panel features include: Air regulator and gauge, Wilden pump on/off valves, hydraulic agitation controls, air compressor gauge, hour meter/tachometer, fuses, light switches

Bonus Features

• The compressor also supplies air for your tires, allows cleaning of small cracks and runs pneumatic tools
• 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

**Shown with Optional Cleasby Melter**

Frequently Asked Questions

1. What is the SR-850 Extreme trailer used for?
   The SR-850 Extreme trailer is designed for high-production sealcoating contractors working on large commercial parking lots, municipalities, airports, and industrial asphalt maintenance projects. It is built for maximum efficiency, durability, and continuous daily use in demanding environments.
2. What makes the SR-850 Extreme different from the standard SR-850 trailer?
   The Extreme version includes significantly more integrated features, expanded front and rear deck space, additional storage, and enhanced productivity systems. It is designed as a fully loaded, all-in-one sealcoating rig that reduces the need for additional support equipment.
3. What is the tank capacity and construction of the SR-850 Extreme trailer?
   It features an 850-gallon heavy-duty steel tank with 7-gauge heads, 10-gauge sidewalls, and reinforced tank ends. This construction is engineered for long-term durability under continuous professional use.
4. What type of pump and agitation system does the SR-850 Extreme use?
   The unit includes a 2” air-operated dual-diaphragm pump capable of handling heavy sand and additive-loaded sealcoat materials. It also features a hydraulic agitation system with a full sweep four-paddle design for consistent mixing and application.
5. What productivity features come with the SR-850 Extreme trailer?
   The SR-850 Extreme includes an air compressor system, 100-gallon water tank with flush system, a 150-foot hose reel with spray wand, spray wand, filter pot, enclosed storage compartments, and expanded deck space for blowers, tools, and accessories. These features are designed to maximize jobsite efficiency and reduce downtime.

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