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Hitachi 1.35-HP 4-Gallon Contractor Twin Stack Air Compressor

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Hitachi Air Compressors and Accessories
Model: EC89
(Based on expert analysis, manufacturer ratings and customer reviews)
2.3 out of 52.3 out of 52.3 out of 52.3 out of 52.3 out of 5
4 Reviews
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  • Features
  • Specs
  • 1
    Q&A 
  • 4
    Reviews
  • Articles
  • Accessories
Application
Contractor Grade Air Compressors
Style
Twin Stack
CFM
3
CFM Rated @ 90 PSI
Tank Size
4
Gallons
Professional Grade
Perfect for air brushing, inflation, stapling, or other tasks

4-Gallon Twin Stack Tanks
Convenient and efficient air storage system

User Friendly Design
Easy to read gauges allow for convenient monitoring

Induction Motor
Longer life compared to universal motor designs

13 Amp Electric Motor
Plug into any 120V outlet

Oil-Lubricated Cast-Iron Cylinder
Quieter & longer lasting than oil-free designs
Motor
Voltage
120 Volt AC
Phase
1-Phase
Magnetic Starter
No
Engine
HP
1
Engine Low Oil Shut-off
No
Pump
CFM
3
CFM Rated @
90 PSI
Pump Material
Aluminum w/ Cast Iron Sleeve
Pump Type
Single-Stage
Max PSI
135 PSI
Oil Sight Glass
No
After Cooler
No
Pump Drive
Direct Drive
Oil Type
Oil Lubricated
Pump Low Oil Shut-off
No
Tank
Tank Size
4 Gallons
Tank Outlet
1/4 Inch
Electronic Drain Valve
No
Tank Orientation
Horizontal
Overview
Weight
57 Pounds
Consumer Warranty
1 Year
UPC
717709015173
Model
EC89
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  1 Question
Q: how many framing guns will it run
by Dave from New York on September 15, 2016

A: An air tool requires air flow to work.

Think of a windmill. A slight breeze lacks the power to turn the blades. However, a hurricane-force wind can generate substantial power.

Some air tools consume more air than others. Nailers and staplers require a puff of air. Sandblasters and sanders need massive gusts.

So, you basically want to know how fast the air comes out of the compressor. The air flow is measured in Cubic Feet Per Minute (CFM). The greater the flow -- the greater the power.

You simply select an air compressor that exceeds the CFM of your most powerful air tool. If the flow isnt strong enough, the air tool simply wont perform properly.
We recommend sizing the compressor 1.25-1.5 times the CFM of your tool for continuous operation. If the compressor does not produce enough air volume, CFM, then the pressure will drop.
Reciprocating (Piston) compressors are not designed for continuous or 100% duty cycle. The compressor will cycle off & on if it is sized correctly.
Just add up the CFM of the air tools that will be in use at the same time to get the minimum CFM required.

by Jim, Product Expert

Hitachi EC89 Reviews & Ratings
4 Reviews  Sort by 
 
A.k.
Total Helpful Votes
11 Helpful Votes
REVIEWED
MAY.
22
2012
2 out of 52 out of 52 out of 52 out of 52 out of 5
Not Enough Cfm
Bought this compressor and got rid of my pancake compressor, I'd been doing more jobs on my own so I wasn't using my foreman's compressor. Anyway, I got this thinking I was buying the same one I'd used on other job-sites....... Nope, this sucker can't keep up if your productive using a framing gun. This model can't keep up, it just has to run non stop it seems, and then cause of loss of pressure my nails need to be finished off by hand.

I was really baffled by this 'cause some of the... more
Jim, the Air Compressor Expert
Product Expert
A.k.,
The important thing to look at when you're buying an air compressor is whether the CFM rating of compressor supports the CFM rating of your tools.

This unit produces 3 CFM at 90 PSI; the Features recommend it for light duty tasks like stapling & air brushing. It's made of pro-grade components, but it won't produce the air power needed for a larger air tool.

A framing nailer uses around 4-5 CFM at 70-120 PSI, so this model air compressor does not support that style tool.

Please see our Buyer's Guide for other suggestions on choosing the right Air Compressor for your needs.
more
Was this review helpful?
113
John
Total Reviews
2 Reviews
REVIEWED
JAN.
31
2012
3 out of 53 out of 53 out of 53 out of 53 out of 5
Handles All My Needs So Far
bought this compressor and so far no problems , handles all my needs so far
Was this review helpful?
30
Jp L.
Cabou, ME
REVIEWED
MAY.
04
2011
3 out of 53 out of 53 out of 53 out of 53 out of 5
Works Well
Works well with my pneumatic tools.

Needs wheels or dolly, though- the weight was surprising.
Was this review helpful?
41
Joseph
West Memphis, TN
REVIEWED
MAR.
01
2010
1 out of 51 out of 51 out of 51 out of 51 out of 5
Bought Two - Kept Zero
The first one was returned due to the fact that it constantly tripped and took 10-15 attempts to reset.

I got a replacement and got it home, took it out of the box, started it up and the trip switch vibrated loose and the plastic holding bracket broke into pieces. I returned it and bought an Ingersoll Rand for more money but better quality.
Was this review helpful?
41
 


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