Ingersoll Rand 4-Gal. Portable Twin Tank Electric Air Compressor-P1IU-A9 - The Home Depot

Ingersoll Rand

Model # P1IU-A9

Internet # 202885704

4-Gal. Portable Twin Tank Electric Air Compressor

Ingersoll Rand 4-Gal. Portable Twin Tank Electric Air Compressor

This item has been discontinued.
The Home Depot no longer carries this specific product.

$329.00 / each


Model # P1IU-A9

Internet # 202885704

The Ingersoll Rand Oil-lubricated Twin-stack 4-Gal. reciprocating air compressor is designed to provide power, durability and portability on the job site. From interior trim and finish to roofing and decking, the twin-stack can do the job. Built to last, this oil-lube compressor with a durable cast-iron cylinder is designed for the toughest 100% continuous duty applications. The twin-stack compressor package comes standard with two 1/4 in. universal coupler, front panel mounted regulator and pressure gauge, 4-Gal. twin tanks, all season select lubricant and a power cord.

  • Ergonomic design for better handling
  • Easy to read and use front operation panel
  • Two quick disconnect couplers to run two tools simultaneously
  • Protective back shroud and enclosed frame for rugged applications
  • Oil-lubricated pump for long life

Info & Guides

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Assembled Depth (in.)  19 in  Assembled Height (in.)  19 in 
Assembled Width (in.)  19 in 
Air Delivery SCFM @ 40PSI  4.5  Air Delivery SCFM @ 90PSI  4.3 
Amperage (amps)  15  Application Use  Blow Cleaning 
Compressor Tank Capacity (Gallons)  Compressor Type  Building and Construction 
Compressor/Air Tool Features  Handle,Tank Pressure Gauge  Horsepower (hp) 
Included  No additional components or accessories are included  Lubrication Type  Oil-Lubricated 
Maximum Pressure (psi)  135  Portable  Yes 
Power Source  Electric  Product Weight (lb.)  77 lb 
Pump Type  Oil Lube pump with cast iron cylinder  Reconditioned  No 
Returnable  90-Day  Tank Material  Aluminum 
Tank Pressure Gauge  Yes  Tank Style  Double-Stack 
Tools Product Type  Air Compressor  Voltage (volts)  115 
Warranty / Certifications
Certifications and Listings  CSA Listed  Manufacturer Warranty  1 year 


Rated 4.7 out of 5 by 14 reviewers.
Rated 5 out of 5 by This is an excellent product, well worth the price. This IR compressor has done every thing I expected it to do. When it arrived, it was in perfect shape. No nicks or scratches. One person complained that the gages did not line up with the openings in the panel. If he had been more observant, this is a design feature so that the gages can be read from an over head position, instead of stooping down to see them. Smart engineering. I used it for spray painting, and it supplied the CFM that was needed (4.5 to 5 CFM at 50 PSI) for over 5 hours, with no problems what so ever. I think the performace was exemplerary. June 26, 2012
Rated 5 out of 5 by Worth every penny. Have owned several compressors over the years, but this one is built like a tank. Comes up to pressure quickly, solid construction, quieter than most units. I mainly use this with a variety of construction air nailers. Although it doesn't carry much volume needed to run high CFM air tools like grinders, pneumatic rattle-jack wrenches, etc., it has more than ample air for my nailers without stopping to build up pressure. I really didn't expect it to keep up with my high CFM garage tools, and that's what I have a big 220 volt 30 gallon shop compressor for. I like the portability of this unit, even though it's about 80 pounds, and take it to remote job sites. Very well made and high quality, especially in this price range. I especially like the fact that it is an oiled pump which should last for many years. All the non-lubricated pumps I've owned over the years have only lasted a short time. If you only want to have to buy one portable compressor, this would be a good choice. August 6, 2013
Rated 5 out of 5 by Exceptional and impressive air compressor I just received this air compressor from Home Depot and I have to say this is one of the most impressive tools I have purchased in a long time. The compressor is built like a tank and I can see why Ingersoll Rand has the reputation that they do. One of the most impressive features is the quietness of the compressor motor. I just about can talk on the phone while it is running next to me. The rubber feet on the compressor dampen and absorb a lot of shock and vibration. I am amazed how quickly this compressor recovers once the air pressure gets down to a certain level. This compressor will fill the twin tanks in just under 2 minutes when you turn it on. I am estimating that when the compressor motor starts again, it takes between 10-15 seconds to recover. To me that is great. I do own an upright unit that has a 5hp motor and this Ingersoll recovers 3 times as fast. I bought this to run a 18 gauge nailer and plan on using it for roofing, framing, and flooring. I highly recommend this product. August 1, 2012
Rated 5 out of 5 by great compressor for around the ranch After using this unit for 2 months I am sorry I did not get one sooner. It inflates the John Deere tires, the Airstream tires, the Jeep tires, with no problem. Very quiet compared to oil-less compressors, has not had any tripping breakers issues like my old compressor so I am very pleased. October 27, 2012
Rated 5 out of 5 by Easy to set up and use Did a lot of research on portable compressors. Glad I went with this one. Out of box used it to shingle two roofs. Used two nailers at same time no issues. Very quite compared to my oil less big tank compressor. This has fast cycle times also. Rated at 100% duty cycle I feel this compressor will last me the next 20 years with regular oil and filter changes. September 24, 2013
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