ROLAIR Wheeled Gas Air Compressor - 6590HK18
The 6590HK18, which was engineered as an upgrade to the 4090HK17, delivers up to 50% more CFM by comparison. Delivering 13.8 CFM 90 PSI, this unit incorporates a 196 cc (GX200) Honda engine with automatic idle-down, for increased fuel efficiency, and an atmospheric unloading system to prevent oil consumption.
Specifications
| HORSE POWER |
196 cc (6.5 HP) |
| CFM DISPLACED |
17.9 CFM |
| CFM DELIVERED |
13.8 CFM 90 PSI |
| LUBRICATION TYPE |
Splash Lubrication |
| PUMP OIL CAPACITY |
34 oz. |
| REED VALVE SYSTEM |
Yes (Standard) |
| NUMBER OF CYLINDERS |
2 |
| TANK CAPACITY |
9 Gallons |
| L X W X H |
46"x19"x28" |
| DECIBEL RATING |
Unavailable |
| COUNTRY OF ORIGIN |
USA |
What our Experts Think
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Powerful Gas Performance: Robust engine delivers dependable airflow and pressure for heavy‑duty air tools.
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Rugged & Built to Last: Sturdy frame and components designed to withstand tough job site conditions.
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Easy Mobility: Wheeled design makes transport smooth across workshops, yards, and outdoor sites.
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Consistent Reliability: Steady PSI and CFM output trusted for professional and industrial tasks.
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Versatile Applications: Ideal for construction, automotive repair, painting, and general industrial projects.
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Low Maintenance: Engineered for durability with minimal upkeep.
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Professional Grade: Meets industry standards for performance, safety, and long‑term use.
Q&A
Q: What is the ROLAIR 6590HK18?
A: A powerful, wheeled gas air compressor built for heavy-duty portable use.
Q: What is the air delivery capacity?
A: Delivers up to 6.5 CFM at 90 PSI for efficient operation of pneumatic tools.
Q: What is the maximum pressure?
A: Up to 150 PSI, suitable for construction, framing, nailing, and stapling tasks.
Q: What powers this compressor?
A: Gas-powered engine allows cordless portability for outdoor and remote job sites.
Q: Is it portable?
A: Yes, equipped with sturdy wheels and a handle for easy transport.
Q: What applications is it suitable for?
A: Ideal for framing, construction, air tool operation, and tire inflation.
Q: Is it durable and reliable?
A: Yes, built with heavy-duty components for consistent, long-lasting performance.
Maintenance Tips
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Keep compressor clean and dry.
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Check and change engine oil regularly.
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Drain moisture from the tank after each use to prevent rust.
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Inspect hoses, fittings, wheels, and connections for wear or leaks.
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Clean or replace air filters as needed.
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Test safety valve and pressure gauge periodically.
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Store in a cool, ventilated, dry area away from fuel.
Damage 
Loss 
Theft 
