ROLAIR 4090HMK103 Wheeled Gas Air Compressor - 4090HMK103-0001
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 |
| SHIPPING WEIGHT |
180 lb. |
What Our Experts Think
-
5.5 HP Honda Engine – Provides reliable, long-lasting power for demanding tasks.
-
Twin 4.5-Gallon Tanks – Ensures consistent air supply for continuous operation.
-
Wheeled Design – Easily transportable with a rugged frame and durable tires.
-
Oil-Lubricated Pump – Enhances efficiency and extends the compressor's lifespan.
-
Gas-Powered – Perfect for job sites without electrical access.
-
High CFM Output – Capable of running multiple pneumatic tools simultaneously.
-
Heavy-Duty Build – Designed for professional use in tough environments.
Q&A
Q: What is the ROLAIR 4090HMK103 Wheeled Gas Air Compressor?
A: The ROLAIR 4090HMK103 is a gas-powered, wheeled air compressor designed for job site applications requiring high air output and mobility.
Q: What engine powers this compressor?
A: It features a Honda GX160 4.8 HP gas engine, providing reliable and efficient performance.
Q: What is the tank capacity and PSI rating?
A: This model includes twin 4.5-gallon air tanks and delivers a maximum pressure of 135 PSI.
Q: What is the CFM output?
A: It provides 9.3 CFM at 90 PSI, making it ideal for framing, roofing, and trim applications.
Q: Is it portable?
A: Yes, it has a wheelbarrow-style frame with a durable tire, making it easy to transport across job sites with rough terrain.
Maintenance Tips
-
Drain Tank Daily – Prevent rust and moisture buildup by releasing condensation.
-
Check & Change Oil – Regularly monitor and replace oil for smooth engine and pump performance.
-
Inspect Air Filter – Clean or replace to ensure optimal airflow and efficiency.
-
Check for Leaks – Tighten fittings and hoses to prevent air loss.
-
Monitor Pressure Gauges – Ensure consistent pressure levels and detect irregular fluctuations.
-
Inspect Engine & Fuel System – Follow Honda engine maintenance guidelines, checking fuel lines, spark plugs, and air intake.
-
Lubricate Moving Parts – Keep belts and bearings properly lubricated to reduce wear.
-
Store in a Dry, Clean Area – Protect from moisture and debris to prevent corrosion.
