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Listed under Grade C Reconditioned

Hitachi EC89 Hitachi 4 Gallon Portable Electric Twin Stack Air Compressor (Grade C Reconditioned)

Condition:  Certified Reconditioned - Grade C. This means it may have a more worn, used look than Grade A, but still comes with the full Certified Reconditioned warranty!
The new EC89 twin stack compressor, which weighs just 57 pounds, has an oil-lubricated cast iron pump and 13 Amp direct-drive induction motor for long life. And with its all metal inner construction and fan, you can trust that it's built to last.

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  • 3.0 cfm at 90 psi for multiple operations
  • Locking regulator ensures the proper pressure is delivered to the tool
  • Has a quick coupler for fast tool changes
  • Ball valve drain-cock makes draining simple
  • 13 Amp Direct drive electric motor provides durability and long life
  • Vertically stacked twin tanks, 2 gallon capacity each for running multiple nailers
  • Manual reset themal overload protection stops the motor preventing damage from overheating
  • Incorporates a 105 PSI On and 135 PSI off pressure switch which ensures less cycling
  • All metal inner construction and fan to withstand rugged use
  • Cast Iron Oil lubricated pump improves efficiency and ensures cooler operation
  • Light weight design allows for easy transporting on the jobsite


  • Power Output: 1.35 HP
  • Amperage: 13 Amps
  • Voltage: 120 Volts
  • Maximum Pressure: 135 PSI
  • Air Displacement: 3.0 cfm @ 90 PSI
  • Air Displacement: 2.8 @ 100 PSI
  • Start/Stop Control: 105/135 PSI
  • Tank Capacity: 2.0 Gallon each Tank
  • Number of Tanks: 2
  • Lubrication: Oil
  • Coupling Socket: 1/4 Inch X 1


  • (1) Twin Stack Air Compressor
  • (1) Quick Connect Coupler (885447)
  • (1) 8 oz. Synthetic Oil SAE5W50 (19210B)
  • (1) Oil Dipstick (881469)


In order to keep costs low and to minimize our impact on the environment, we do not ship owner's manuals with reconditioned tools. We've tried to provide links to the owner's manuals below where possible. If you don't see the links below, please refer to the manufacturer's website.

Similar Items - Hot Sellers



Lombard, IL
looks beat up but works great. I didn't need a pretty machine just one I could depend on and so far so good Great purchase for the price Hope it lasts

New York, NY
Works well for nail guns, it is only 4 cfm, Mine was grade c and looked fine it may have gotten a new paint job as it was a light green with no metallic paint. It won't win any beauty contests but I just need it to drive my nail guns. So far no problem right out of the box. It came with oil and quick connects to hook it right up, I bought a 25" hose to use in the shop. I'll need a longer hose if I do any roofing or framing. IF you want to run any kind of a sander or grinder it doesn't have the CFM for that you need a bigger compressor.

Ojai, CA
Great compressor. Works well and looks great, just like new.The price can't be beat for a unit that does the same with the same capacity. I have used oil-less compressors but they fail sooner or later. oil-less compressors overheat often. But with this type of oil filled compressor I never have those problems. They go and go and go and never have any issues.

West Point, GA
I ordered this Compressor in "Grade C" and while it was visibly used, it was in great condition, and functions perfectly. One minor issue was one of the bleeder valves was damaged in shipping, but Big Sky was willing to do whatever was necessary to make it right. In my case I had no problem swapping out the part myself, and it arrived like two days later expedited Fed ex. As always with Big Sky, the service is Impressive. Now the Hitachi Compressor itself, it's reasonably quiet, fills quickly, and is of good quality. The castings are noticably higher quality than most small compressors. The water bleeder valves I mentioned before aren't those cheap little knurled nuts either, they're actual valves. So far, I couldn't be more pleased with it. Definitely keeps up with my framing gun, by a good margin.

prospect hts, IL

Boyceville, WI
Works great very minor as far as being marked up grade C condition. Would recommend.

Gardena, CA
this air compressor it's really good and great product.

Texarkana, TX
Great buy

Tucson, AZ
Arrived on time. This is a "workhorse" with excellent quick pressure-up respose. This is a "wet" compressor (oil bath). If you want a compressor that keeps on running long after a dry based unit this is the route to can't go wrong.

Forest, MS
It works great. Except for the two small scuff marks on the tank you would never know it was not brand new. It has no trouble keeping up with finish nailers and medium to light duty use of framing nailers. Fills up in about 2 minutes from complete empty. Refill with no tool use while refilling is around 1 minute. The machine is quieter than expected. I can have a conversation over the machine in the same room without shouting. Shipping was quick. I am very pleased with my purchase.

Huntington Beach, CA

rocky mount, VA
Realized after the 15 day return period that it doesn't work- it runs ok until the unit needs to restart, then it quits and you have to press the reset button!

napa, CA
perfect ,looks brand new and works brand new ,great price

Palm Coast, FL
So far so good. I will notify you if it does not hold up. Unlike the drill I purchased, the battery went dead within less then six months.

Mesa, AZ
I was very happy with the compressor. It was a grade C refurb, but other than minor cosmetic scratches, it worked flawlessly with my framing and coil roofing nailer.

Hawthorne, NV
This is the fifth on that I have bought now everyone in the field has one and I have ones spare as we do allot of roof and trim work with these. Great buy good product

harbor city, CA
great's sitting on the shelf for when my old compressor quits!

Nevada City, CA
I have not yet opened the box containing the compressor, waiting for the shop to be built before I do. That said, I've bought other tools from Big Sky and am completely satisfied with every purchase, that's why I came back for the >$400 reman compressor for only $109. I expect no problems with the machine.

Morgan, MN
very good operating condition

Springfield, MO
Great product for the excellent price. 1/4 inch quick connect was broke when received. Emailed customer support and one was in the mail. Great company and great service.

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