28″ Big Guy

General Details

The Big Guy incorporates the signature balanced and machined spray bar of all Whisper Wash® systems with a wide surface coverage area to provide a comfortable and highly efficient flat surface cleaner. With a 28″ diameter and aircraft grade aluminum housing, it is built tough for the big job. The Big Guy’s pivoting wheel design and a heavy-duty nylon brush provide for easy navigation through large areas while still containing the pressurized spray.

Constructed with powder coated aluminum and a steel axis assembly, this machine provides added surface coverage to do the big job. The resilient brush ensures that spray is confined to the surface area and not the operator or surrounding area. While the self lubricating twin thrust bearings provide the power to utilize either a two or four tip spray bar.

When you have the big job to do, The Big Guy can get it done for you. With a 28″ diameter, pivoting wheel design, and a lightweight housing, the Big Guy easily maneuvers over large surface areas. Constructed tough with aircraft grade aluminum this is the machine to take on the big job.


The Big Guy Handle Construction

The molded trigger gun control of The Big Guy provides easy gripping to ensure constant control over the running machine. The quick disconnect lever is conveniently located so that the operator may disengage the hose to spray out corners and curbs. Go ahead and put your hands on a Whisper Wash® Professional Rotary Srpay System today!


The Big Guy – Check Out The Tires

The Big Guy is designed with two rear never flat tires. Firm, yet receiving to the surface, these tires provide solid traction for maneuvering over large flat surface areas. The quick pivoting front caster provides swift movement around corners and within enclaves.



The Big Guy Flip Up The Cover

When you flip up the cover on The Big Guy you realize the expansive 28″ surface area covered by the rotating tips. This added surface coverage provides increased productivity when completing jobs that cover large, open areas. Surface cleaning is made easy with the balanced spray bar rotation and expansive coverage area provided by The Big Guy!



  • Quick Connection
  • Portable Breakaway Handle
  • Balanced & Machined Spray Bar
  • Trigger Gun Controlled
  • Heavy Duty Aluminum Cover
  • Hot or Cold Water Applications


Operating Parameters: 

•2,000 to 4,000PSI

•Cold or Hot water  212°F Max Temp

•2,500 Max RPM


WHISPER WASH® Signature Balanced 2-Nozzle Rotary Spray Bar:

-Installed with Two #2.5 @ 25°

1/4” IMeg nozzles.


Optional 4-Nozzle Rotary Spray Bar

Installed with Four #2.0 @ 25°

1/4” IMeg nozzles.



Minimum GPM 5

Maximum GPM 12


1 Year Manufacturer Defect Warranty