VoltagePrice Call to order
230V, three phase, 60Hz$5,032.00 1-800-471-7157

The Super Max™ 8730 AST® is a portable, electric powered, cold water pressure washer featuring Daimer's one-of-a-kind, exclusive AST® (Automatic Shutoff Technology®). Combining portability with functionality and power, the 8730 AST® features a pressure level of 2500 psi, flow rates of 4 GPM, and can accept hot water up to 180°F. This cold water pressure washer is ideal for industrial/commercial applications requiring a portable pressure washer with wet sandblasting capabilities.

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Price excludes freight.

pressure washer, pressure washers

The Super Max™ 8730 AST® is a commercial/industrial, portable, electric powered cold water pressure washer machine that features the world's only, elite AST® (Automatic Shutoff Technology®). This exclusive technology extends the life of the 8730 AST® by reducing the wear and tear on the pump and other components.

Powered by a 7.5 HP NEMA engine, the 8730 AST® offers higher pressure (2500 psi) and flow rate (4 GPM) than the 8720 AST® with the same portability, trailer and wall mountable functionality, and options. These additional options include a wet sandblasting system and two gun operation. This cold water pressure washer machine is ideal for industrial/commercial applications requiring a powerful yet portable pressure washer machine without the added cleaning power afforded by hot water and steam pressure washer machines.

What is AST® Technology?

AST® is a proprietary system that works as follows: When AST® is engaged, it shuts off the pump and motor after 30 seconds if the gun is not in use and water is not flowing through the system. When the pressure washer operator pulls the trigger again, the motor and pump go on. This feature is particularly useful for applications in which the pressure washer operator is using a long hose, say more than 25 feet, and it is not practical for them to go back and forth to the machine to turn it off during every break.

The pumps and motors in conventional electric pressure washers remain active whether or not water is flowing through the system. As a result the user has to keep walking back to the system to shut it off or risk damaging the motor and pump.

Daimer offers pressure washers in a variety of power configurations for worldwide requirements. The following are available: 110-120V, 208V, 220-240V, 380V, 415V, 440-480V, and 575V; single and three phase; 50 or 60 Hz. Please contact us for pricing.

Product Specifications

Warranty1 year (limited)Water Pump Warranty5 years (limited)Motor/Engine Warranty2 years (limited)
Pressure2500 psi
Flow Rate4 GPM
Temp. Optionscold water
Steam Temp.N/A
Hot Water Temp.Optional support up to 180°F. Call for more information.
Standard Power Methodelectric: 220V-240V, three phase, 60 Hz
Optional Power Methods(call for pricing) 220V-240V, three phase, 50 Hz & 440V, three phase, 50 or 60 Hz
Motor Sizeheavy duty 7.5 HP - NEMA
Minimum Generator SizeContact Daimer
Gasoline/Diesel Fuel CapacityN/A
Ignition SystemN/A
Power Cords1
Heating MethodN/A
Heating Fuel CapacityN/A
Heater Exchange CoilN/A
Heater Response TimeN/A
Operating Timecontinuous use
Pump Drive Methoddirect drive
Chemical Infusionyes, high pressure injection
Wand Includeddurable 3' trigger wand with quick disconnect
Nozzles Standard0º (blast), 15º, 25º, 40º
Pressure Hose25' high pressure hydraulic hose
Pressure Hose Optionsadditional/customizable lengths available
Dimensions19"w. x 41"d. x 43"h. w/o handle
Weight290 lbs
Housingpowder-coated steel, high gloss, chip/chemical resistant
Phosphatizing SystemN/A
Acid/Phosphate Chemical FeedN/A
Trailer Mountyes - when wheels are removed
Multi-Gun Operationoptional - call for pricing
Wall Mountyes - when wheels are removed
Wet Sandblasting Systemoptional - call for pricing

Parts List


Standard Parts / Quantity

3' Durable Trigger Wand with Quick Disconnect 1
0º (Blast) Nozzle (not shown) 1
15º Nozzle (not shown) 1
25º Nozzle (not shown) 1
40º Nozzle (not shown) 1
25' High Pressure Hydraulic Hose (not shown) 1


Powerful, Non-Heated Pressure Cleaner Machines For Industrial Applications

The range of cleaning applications in industrial settings is truly staggering. While some applications can be completed with hot pressure washers featuring mid-range pressure levels, others demand the cleaning power of hot water pressure washers empowered with extremely high pressure levels. Most industrial applications can be nicely managed with cold water-based industrial pressure washers. However, the most challenging jobs, such as heavy-duty degreasing, call for hot water pressure washers or steam pressure washers. It is advisable to choose pressure washing machines after carefully evaluating your applications.

When your applications can be completed without the additional cleaning action of hot water or steam and you need commercial power washers that score high in terms of power and portability, do check out the Super Max™ 8730 AST® available from Daimer®. These cold water-based, electric pressure washers feature the innovative auto shut down function that helps prevent wear and tear of components by automatically shutting down the system when the water ceases to flow through the system for more than 30 seconds. Powered by a heavy-duty 7.5 HP NEMA engine, such pressure washing machines offer flow rates of 4 gpm and high pressure levels of 2500 psi. Optional functions available with these electric pressure washers include a two-gun operation and wet sandblasting.

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