Key Features
High Air OutputThe Rolair 1040HK18 Wheeled Gas Air Compressor delivers 14.3 CFM at 90 PSI, which matters when you need steady air for demanding pneumatic tools instead of waiting on the tank to catch up. Honda Gas PowerA 270 cc Honda gas engine makes this compressor a solid fit for jobsites where power is limited or unavailable. You get true portable compressed air without needing an outlet nearby. Heavy-Duty PumpCast-iron twin cylinders, cast-iron valve plates, ball bearings, and splash lubrication are the kind of pump details that hold up better when the compressor earns its keep day after day.
Overview
The Rolair 1040HK18 Wheeled Gas Air Compressor is a heavy-duty single-stage gas-powered air compressor built for portable jobsite air delivery. This is a wheeled gas air compressor designed for running pneumatic tools where electric power is not practical. Model Number 1040HK18. If your work depends on consistent airflow more than compact size, this is the kind of compressor you look at.
The big selling point here is output. With 14.3 CFM delivered at 90 PSI and 18.3 CFM displaced, the Rolair 1040HK18 Wheeled Gas Air Compressor puts out more air than other single-stage portable gas-powered compressors in Rolair’s lineup based on the provided product data. In plain terms, that means better support for air-hungry tools and fewer slowdowns when the pump is trying to recover between cycles.
Power comes from a 270 cc Honda gas engine, which is exactly what makes this compressor useful on remote sites, exterior jobs, new construction, and service work away from utility power. Manual start keeps the setup straightforward, and the gas engine setup gives you the freedom to bring compressed air where extension cords and generators are a hassle.
The pump design is built like a real work compressor, not a disposable jobsite accessory. You get cast-iron twin cylinders, cast-iron valve plates with Swedish lamellar reed valves, ball bearings, aluminum alloy connecting rods with automotive-style inserts, and splash lubrication. Those details matter because they point to a compressor meant for repeated use, heat management, and long-term durability instead of occasional weekend duty.
Rolair also adds practical equipment that matters in day-to-day use. The standard setup includes a pressure gauge, automatic pilot valve operation, an industrial flexible discharge hose, automatic idle control for economy and service life, an intake filter with silencer and replaceable element, a Schmidt belt tensioning device, an air-cooled aftercooler, a totally enclosed steel belt guard, and a safety relief valve. That combination is what separates a contractor-grade compressor from a bare-bones machine.
The 9 gallon twin side-by-side steel tank keeps the footprint jobsite-friendly for a gas unit in this class while still giving you useful reserve air. At roughly 46 inches long, 19 inches wide, and 29 inches high, this is a substantial machine, and at about 220 pounds net weight, it is not something you casually lift in and out all day. The wheeled format is there for a reason.
Who is this compressor for? Contractors and serious users who need a portable gas air compressor with real airflow. If you are working outdoors, on undeveloped sites, or in places where power access is a problem, the Rolair 1040HK18 Wheeled Gas Air Compressor makes a lot of sense. If you only need occasional light-duty inflation or trim work near an outlet, this is more compressor than you need. If you need dependable gas-powered air with a heavy-duty pump and strong output, this is the kind of machine worth paying attention to.
Built to Deliver Air Off the Grid
This compressor is about bringing serious air supply to places where an electric compressor is not the right answer. The heavy-duty pump and Honda gas engine are set up for outdoor and remote work where mobility and output matter more than compact storage.
- 270 cc Honda gas engine for outlet-free operation
- 14.3 CFM delivered at 90 PSI for demanding pneumatic tool use
- 9 gallon twin steel tank in a wheeled configuration
What’s in the Box
- (1) Rolair 1040HK18 gas air compressor
- (1) Filter assembly
- (1) Owner’s manual
Key Specifications
| Tool Type | Single-stage wheeled gas air compressor |
|---|---|
| Engine Displacement | 270 cc |
| Delivered Air | 14.3 CFM @ 90 PSI |
| Displaced Air | 18.3 CFM |
| Tank Capacity | 9 gal |
| Lubrication Type | Splash lubricated |
| Number of Cylinders | 2 |
| Weight | 220 lbs |
| Dimensions (L x W x H) | 46 in x 19 in x 29 in |
| Pump Oil Capacity | 34 oz |
| Start Type | Manual |
| Made In | United States |
Warranty & Support
1 Year Limited warranty.
Tool Nut’s Take
Tool Nut’s Take
Rolair 1040HK18 Wheeled Gas Air Compressor for Real Jobsite Air Demand
This is the compressor you buy when you need serious portable airflow and you are done messing around with underpowered units that spend more time recovering than working.
- Who it’s for: Contractors and serious users who need a gas-powered compressor for outdoor work, remote jobsites, and applications that call for strong continuous air delivery.
- Why it stands out: The combination of 14.3 CFM at 90 PSI, a 270 cc Honda engine, and a cast-iron twin-cylinder pump gives it the kind of output and durability that separates it from light-duty portable compressors.
- Worth knowing: This is a big machine at about 220 pounds, so portability here means wheeled jobsite mobility, not toss-it-in-the-truck convenience.
Common Questions
- Is this an electric or gas compressor? This is a gas-powered air compressor with a 270 cc Honda engine.
- How much air does it deliver? It delivers 14.3 CFM at 90 PSI, with 18.3 CFM displaced airflow.
- What kind of pump does it use? It uses a splash-lubricated pump with cast-iron twin cylinders and cast-iron valve plates.
- What size tank does it have? The compressor uses a 9 gallon twin side-by-side steel tank configuration.
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