Ingersoll Air Compressor - 1
- Ingersoll Rand Electric Stationary Air Compressor - 3 HP, 10.3 CFM @ 135 PSI, 230 Volt, Model# SS3
Ingersoll Rand SS3L3
$559.99 >> $559.99
by Ingersoll Rand

Tank Size: 60 gallon vertical
Max PSI: 135 PSI
PSI: 11.3 CFM @ 90 PSI; 10.3 CFM @ 135 PSI
Volts: 230 Volts
Motor: 3 HP with thermal overload and manual reset - single phase motor

found in SS3L3's description: Product Description
Maximum air power! More delivered air (CFM) gives you the power to do the job right and in less time.
found in SS3L3's reviews:
A cheap way to get more CFM... but its still cheap. - This air compressor is identical to my Ingersoll Rand SS3L3 compressor that I purchased through Northern Tool in the early summer of 2005. This is the first air compressor that I have ever owned, so it was a learning experience from the start.

It is recommended that you purchase the IR SS3L3 startup kit as the compressor is delivered to you without any oil in it. When I plugged in the compressor to test it out, I found that the motor continued to run even as the gauge on the tank passed 130 psi. I ordered a new switch from Ingersoll Rand for ~ $35 and this fixed the problem.

I ran the compressor off and on for several months without any major issues. a little bit of die grinding, I rotated the tires on my car using the impact wrench and air ratchet, I used it to blow dust off my work bench and check the air in my tires on a routine basis. I bought the compressor because I have several project cars, and I would like to begin the serious work of restoring them. Recently, I have been looking at plans for a sandblasting cabinet, and I am starting to doubt that this compressor will stand up to the task of sand blasting for extended periods. Things I have learned about the compressor since its purchase that have led me to this conclusion:

1. (I swap between my compressor and my dryer on the only 230V outlet in my house). This borderline false advertising is similar to peak and RMS power ratings in audio amplifiers, though it is fairly standard operating procedure to rate motors in this fashion. Though it is quieter than a direct drive unit like the 30 gallon compressors sold at most hardware stores, 3450 RPM is still quite fast. With the pulley ratios, the compressor crank spins at 1200 RPM. Heavier duty systems might have the AC motor running at 1200-1750 RPM with the compressor running at ~700 RPM or less, resulting in a much quieter setup. There is apparently no available rebuild kit for the compressor itself, according to the local IR dealer, though they do sell gaskets and the oiling kit. It is a two cylinder, single stage compressor. The "valves" in the head are what I believe are called "reed valves", which are simply spring loaded "fingers" that cover holes in the cylinder head, and they move with the blowing/sucking of air as the pistons move in the cylinders (no mechanical actuation of the valves). The compressor can run fairly hot, especially when pressurizing the tank from zero pressure. I would like to add an intercooler in line to the tank as the compressed air is quite hot, and I think the compressor itself could use some more cooling. I bought some copper to fab up a larger heat sink for the compressor housing, though I haven't made it yet. The flywheel on the compressor is designed to move air over the unit, but I still think the design needs improvement. This makes me want to install a condensor between the compressor and tank). Copper tubing is used to route compressed air from the compressor to the tank, and I think some improvements could be made there, as well. One could remove the compressor to change the oil, but a better soultion would be to insert a ball valve in the oil drain plug for easy draining.

IR sells the SS5L5, which uses the same 60 gallon tank, but a 5 HP split phase 3450 RPM motor running a different two piston single stage compressor.

My biggest complaints are the use of the split phase motor, the relatively cheap design of the compressor (aluminum rods and lack of rod bearings), the flimsy pressure switch, and the cheap fittings used all over the machine. I will continue to use this unit for some time, but I am already considering either building my own low RPM, true 4-5 HP air compressor from various parts suppliers, or just purchasing a new one from a company like Eaton Compressor. Ingersoll Rand makes the Type 30 series which is a step above the SS series, and I have considered these units as well, but I would almost feel safer building the unit on my own so that I know exactly what is going into it. Like houses, I think good advice for someone looking to buy an air compressor is "buy the most you can afford". I for one like the idea of a compressor running at a quiet 750 RPM at a mere 73 dBa, as opposed to my high revving 1200 RPM SS3L3. Meanwhile, my criticisms of this unit are based on what I'd like to see in a compressor, that is all.

Job Boss 12 Amp 2-1/2 Horsepower 4.5 Gallon Oiled Wheeled Single Hot Dog Compress | Porter-Cable C3551
Porter-Cable C3551
$641.68 >> $349.99
by Porter-Cable

86 pounds; 2-year limited warranty
Includes compressor, mobility kit, ASME safety valve, manual
Cast-iron construction
12 amps; 150 psi, enough to operate 2 nailers at once; roll bar to protect motor and pump
2-1/2-horsepower 4-1/2-gallon oiled wheeled single hot dog compressor

found in C3551's description: If you're a contractor looking for the right compressor, you've found it.--Kris Jensen-Van Heste

From the Manufacturer
Why lift when you can roll? The Job Boss Compressor comes equipped with a mobility kit for job site portability.5 gallon, Oil-Lube contractor style compressor is packed with features you’ll like. The High-flo air regulator and 2-port removable console are winning combinations for contractors looking for performance and versatility. This compressor is designed with a removable console for maximum mobility and air pressure.5 HP single tank air compressor
  • Oil-lube air compressor for maximum durability
  • 150-PSI tank pressure for longer tool run time,
  • Quieter motor is easy on eardrums
  • 120 V/ 60 hertz/1 phase motor
  • Two pole, 3450-RPM capacitor start induction motor for maximum air delivery
  • Includes 1-year limited warranty on parts and accessories


    • 150-PSI tank
    • 3450-RPM capacitor start induction motor
    • 8 oz. oil capacity

    Product Description
    The Job Boss Compressor comes equipped with a mobility kit for job site portability.5 gallon, Oil-Lube contractor style compressor is packed with features youll like. The High-flow air regulator and 2-port removable console are winning combinations for contractors looking for performance and versatility.5 gallon, mobile, contractor-style, single tank air compressor. 2-port removable console to allow remote air regulation and higher pressure closer to the job site.5 gallon storage capacity air tank supports heavy use of brad nailers, staplers, and finish nailers; moderate use of roofing and framing nailers.5 gallon 150 PSI portable air compressor, Mobility kit, ASME safety valve, and Operator manual.
    found in C3551's reviews:
    Everything it promises and more.......... - All I can say is there are a LOT of portable air compressors out there and a lot of them are junk. I did not use the oil that came with compressor though, I decided to run a fully synthetic oil (make sure it is a compressor oil) Ingersoll Rand makes a very high quailty oil for this compressor. Everything is where it should be on this compressor: knobs, gauges,ect. The only thing I would tell someone interested in this compressor is don't be fooled by Porter Cables "oil-free" version of this compressor, I have done a lot of comparision shopping not only is the oil free version much noiser but you will be servicing it much more often than the oil-lube pump. Lowe's sells the "oil-free" version of this compressor for 299.00!!!!!!!! You can purchase this compressor, tax free and shipped free and it will be shipped right to your front door! What a deal! Good job Amazon!.
  • 15 Amp 6.5 Horsepower 60 Gallon Oiled Vertical Compressor | Campbell Hausfeld VT6275
    Campbell Hausfeld VT6275
    $576.15 >> $599.20
    by Campbell Hausfeld

    60 gallon vertical tank is a space saving design with easy access to tank tray
    6.5 HP Peak motor provides significant power for tough jobs
    Unique product design from the largest manufacturer of reliable and durable, single stage CAST IRON pumps in the USA
    Oil-Lubricated pump has a traditional design that is quieter and longer lasting than oilless pumps
    Solid Cast Iron twin cylinder pump provides up to 5,000 hours of extended life. Over 35% quieter and 60 degrees cooler than aluminum pumps with cast iron cylinder sleeves.

    found in VT6275's description: From the Manufacturer
    The VT6275, 60 gallon oil-lubricated air compressor has a solid cast iron twin cylinder pump that provides up to 5,000 hours of extended life.

    Product Description
    mfr: Campbell Hausfeld Air Products Campbell Hausfeld is a recognized leader in the home improvement and automotive industry.

    SINGLE STAGE AIR COMPRESSOR. Single Stage Cast Iron Compressor7 HP Peak, 60 Gallon Vertical, 240 Volt.
    found in VT6275's reviews:
    Great Quality at a Great Price - I needed to upgrade my shop air compressor and had narrowed my choices to Ingersoll Rand and Campbell sells air compressors and had an incredible deal on the Campbell Hausfeld VT6275 60 Gallon. Great quality compressor at a great price and a very smooth transaction.
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