ROLAIR Wheeled Gas Air Compressor - 4090HMK103
The 163 cc (GX160) gas wheelbarrow air compressor has long been the top choice of framing and roofing contractors. In this class, the 4090HMK103 delivers 8.7 CFM 90 PSI. It incorporates an 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 |
11.7 CFM |
| CFM DELIVERED |
8.7 CFM 90 PSI |
| LUBRICATION TYPE |
Splash Lubrication |
| PUMP OIL CAPACITY |
17 oz. |
| REED VALVE SYSTEM |
Yes (Standard) |
| NUMBER OF CYLINDERS |
2 |
| TANK CAPACITY |
9 Gallons |
| L X W X H |
46"x19"x24" |
| DECIBEL RATING |
Unavailable |
What our Experts Think
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High-Powered Gas Engine: Provides strong airflow and consistent PSI for heavy-duty tools.
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Durable Construction: Rugged frame and wheels designed for tough job site conditions.
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Portable & Mobile: Wheeled design allows easy transport across workshops or outdoor sites.
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Reliable Performance: Maintains steady pressure and airflow for professional and industrial applications.
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Versatile Use: Ideal for construction, automotive, painting, and general industrial projects.
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Low Maintenance: Engineered for long-lasting operation with minimal upkeep.
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Professional Grade: Built to meet industry standards for safety, reliability, and durability.
Q&A
Q: What is the ROLAIR 4090HMK103?
A: A high-performance, wheeled gas air compressor built for heavy-duty portable use.
Q: What is the air delivery capacity?
A: Delivers up to 4.0 CFM at 90 PSI for reliable operation of pneumatic tools.
Q: What is the maximum pressure?
A: Up to 150 PSI, suitable for construction, nailing, stapling, and inflating 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 under tough conditions.
Maintenance Tips
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Keep the 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, and wheels for wear or leaks.
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Clean or replace air filters as needed.
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Test safety valves and pressure gauges periodically.
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Store in a cool, ventilated, and dry area away from fuel.
Damage 
Loss 
Theft 
