Central Pneumatic 21 Gallon

Central Pneumatic 21 Gallon, 125 PSI Air Compressor: Review


The Central Pneumatic air compressor 21 gallon is specially designed for air tool use. It is relatively affordable, this despite possessing 21-gallon cast iron tank. However, since it’s cheap for this type of a product you’re going to find a number of flaws. For instance, the product’s power input is not quite impressive and useful only for inflating plus other low power duties. Several user reviews also indicate its components are not of high quality and could easily break. Low-quality parts wear very faster than high quality materials, therefore replacements have to be eventually bought. The device’s durability may be improved by following correctly the manual, and completing successfully its break-in procedure.

Key Features

Air delivery is 5.8 CFM AT 40 PSI and 4.7 CFM at 90 PSI.

The vertical air compressor may be connected to different air hoses with some built-in, universal quick connect coupler.

Heavy duty, 2.5 horsepower- rated motor

With its 2.5 horsepower, the solid air compressor is going to power your tools as well as inflate your tires with some energy to spare.

central 21 gallon

Wheel kit, with 6 in. wheels plus ergonomic handle

This is another important feature of this machine. You are able to roll the portable air compressor two, 6 in. wheels. And its 2 rubber foot stabilizers are useful in reducing vibration when in use. The ergonomic handle allows for its smooth portability.

Oil Level Indicator

Another important feature of this machine is oil level indicator. This is useful for its easy maintenance. Therefore apart from being a very affordable equipment, it’s also easy to maintain, and this is the reason people on the budget prefer this machine.


Cost: The compressor is quite cheap for this kind of tank. This definitely is a critical aspect to ponder when you are purchasing on a budget.

Design: The compressor possesses two rubber stabilizers and two wheels which both provide this machine reduction as far as vibration is concerned. This makes it less likely to fall over and increases areas it may be placed when in operation.


Quality: Its parts may be described as low quality. Therefore, sooner or later they’re going to need replacement.

Slow Refill: It has slow refill time and fast rate of depletion. This makes it inconvenient to use.

Noise: During use, it produces a lot of noise.

Break in: For this compressor to properly work, several steps must be followed to break in precisely the machine. However, this may be a challenge but you should ensure you carefully read the manual and instructions attached.


The Central Pneumatic, 21 Gallon is a compressor that has different features that are both useful and have their own limitations. Its low-quality parts eventually wear out. Its slow refill time may not be the best for a number of tasks and needs challenging break in procedure to correctly work. It’s not suitable for projects requiring moving around the house because of the high level of noise it generates when in use. On the other hand, many reviewers say it’s worth the cheap amount they paid for it. The compressor is highly recommended for users who’d want a capable compressor while they are purchasing on a budget.

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