ROLAIR Wheeled Gas Air Compressor - 4090HK17
The 4090HK17 gas-powered air compressor has long been the top choice of framing and roofing contractors. In this class, the 4090HK17 stands out because of its high CFM output, portability and rugged build. Delivering 9.3 CFM 90 PSI this unit incorporates the popular 163 cc (GX160) Honda engine with automatic idle-down, for increased fuel efficiency, and an atmospheric unloading system to prevent oil consumption.
Specifications
| HORSE POWER |
163 cc (5.5 HP) |
| CFM DISPLACED |
13.1 CFM |
| CFM DELIVERED |
9.3 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 4090HK17?
A: A portable, wheeled gas air compressor built for reliable outdoor and job site use.
Q: What is the air delivery capacity?
A: Delivers up to 4.0 CFM at 90 PSI for efficient operation of pneumatic tools.
Q: What is the maximum pressure?
A: Up to 150 PSI, suitable for nailing, stapling, tire inflation, and construction tasks.
Q: What powers this compressor?
A: Gas-powered engine provides cordless portability for outdoor and remote job sites.
Q: Is it portable?
A: Yes, equipped with durable wheels and a sturdy handle for easy transport.
Q: What applications is it suitable for?
A: Ideal for framing, air tool operation, tire inflation, and general construction use.
Q: Is it durable and reliable?
A: Yes, designed with heavy-duty components for long-lasting performance in tough conditions.
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 
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