Omega J8004 Nutrition Center Slow Speed Masticating Juicer

If the sole aim of a person behind juicing is health, Omega J8004 juicer is a perfect machine to choose.

Anyone may realize that Omega J8004 juicer resembles a lot with Omega J8006 juicer and that’s right. When it’s about functionality, it’s actually the same. Differences are in the color, price, and few other little details.

Published: June 12, 2018.

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Specifications of Omega J8004

- Dimensions: 14.5D x 6.5W x 15.5H inches (368mm D x 165mm W x394mm H)
- Weight: 16 pounds
- Motor: 1/3 HP single-phase induction motor
- Gear Reduction: 2 HP
- Wattage Power: 150 watt
- Rotation Speed: 80 RPM
- Voltage: 110-120V
Note: Omega J8224 is the European version of Omega J8004 and has 220V motor specific to European standard.
- Feeding Tube: 1.5 inches
- Warranty: 15 years

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Contents of Omega J8004 Package

- Motor
- Built-in switch
- Handle and locking clip
- Drum
- Ultem auger and end cap
- Blank and juicing screens
- Funnel
- Plunger
- Sieve
- Two collecting bowls
- Cleaning brush
- Attachments: Round noodle nozzle, bread stick nozzle and flat noodle nozzle

(Replacement parts are not included in the package. They are to be bought separately.)

User manual for Omega J8004 can be downloaded on Omega website.

Omega J8004 Features

High-powered Motor

Omega J8004 sports a 1/3 HP motor but its gear reduction is equivalent to the power of a 2HP motor.

Heavy-duty Auger

The GE Ultem auger of Omega J8004 is 8 times more robust than most plastics and can withstand extreme pressure, friction and heat.

Masticating Juicer

Omega J8004 is a single gear masticating juicer and hence it’s way more competent than centrifugal juicers. It can be said that for grinding produce to extract maximum juice, it works much the same way as the human mouth.

Omega Nutrition Center Trademark

Omega J8004 has a patented multifunctional juicing system having an Omega Nutrition Center trademark indicating that the system can do several things in addition to juicing. It can dice, mince, chop and of course, extract juice. It can make baby food, churn butters from nuts, make soy milk, smoothies, hummus and salsas, grind coffee, spices and herbs, and extrude pasta of various shapes and sizes, thanks to the additional nozzles.

Few more notes:

- It’s very hard to clean out dough from the additional nozzle attachments and users have to spend more than 20-30 minutes in cleaning those nozzles thoroughly. So, according to some users, a food processor or pasta maker should be used for making pasta while Omega J8004 should be used for juicing.

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- Even in case of mincing meat, users have the risk of contamination because meat contains bacteria which can make them very ill. It’s very difficult to clean out those bacteria completely from the juicer. It should be soaked in hot water for 24 hours to make sure it’s thoroughly clean. Thus, it’s better to mince the meat in a meat grinder or food processor, and not in Omega J8004.

High-efficiency Juicing with Low Speed

Because of its low speed of only 80RPM, Omega J8004 can extract juice without generating heat or froth, thus the juice is fresher to taste and high in nutrition.

Dual Stage Juicing

Omega J8004’s motor powers the auger first to crush the produce and later it squeezes it to get optimum yield and ejects the driest pulp. However, users experienced with this juicer recommend processing the pulp at least two more times and the juicer extracts about another 150ml of juice from it after which the pulp becomes truly dry.

Excellent Juicing of Leafy Greens

Being a masticating juicer, Omega J8004 is excellent to press almost all the juice from the otherwise hard-to-juice leafy greens such as spinach, kale and wheatgrass, and herbs like basil and dill.

Automatic Pulp Ejection System

Due to this feature, users don’t have to wait to remove pulp, whereby the juicing process can be continuous.


The juicer comes in 5 separate components + 2 plastic bowls. Users will have to put them together. According to the company, this takes 30 seconds, but some actual users find it complicated and time-consuming.

Noise Level

Omega J8004 can’t be called totally noiseless. It’s less noisy than centrifugal juicers but among masticating juicers, it’s one of the noisiest and can wake up a light sleeper, though it may not disturb someone next door.

Massive Warranty

Omega J8004 comes with a massive 15-year limited warranty.

Pros of Omega J8004

Unmatched Efficiency

This juicer as a wonderful blend of masticating juicing mechanism, advanced auger system and powerful motor that makes it perfect for juicing of almost any kind of produce.

High Quality of Juice

The single gear and low speed of the juicer make sure the juice doesn’t contain the distasteful foam or froth. Also because of the low speed, a very little heat (or even no heat) is produced confirming no destruction of any nutrients and enzymes. Also users can store it to a fresh condition for up to 72 hours as there is no froth to oxidize the juice. So, users can make juice in large batches at a time and save it for later consumption, something which they cannot enjoy in case of centrifugal juicer.

Cons of Omega J8004


The multiple functions of the juicer are quite unnecessary for those who are looking for just a juicer and nothing else. Also users may feel it complex during the 6-part construction during assembly, disassembly and clean-up. If users are after something simple, a centrifugal juicer may be a better bet.

Clean Up

When it comes to clean up, majority of users find that Omega J8004 is quite difficult to clean. It comes with a special cleaning brush; but even that is unable to reach every nook and cranny in the inner side of the juicer.

Prolonged Waiting Periods

Due to the low speed of the juicer as compared to centrifugal juicers which extract juices within a few minutes, users have to wait for prolonged periods of time to get the juice. Also, this juicer won’t be taking in whole veggies and fruits due to a feeding tube measuring only 1.5 inches which is too narrow; so, users have to cut and slice the produce which too takes time. Plus, complicated cleaning adds to the time again.

Questionable Durability

Some users have got their screen broken just when the juicer was new and they were juicing hard produce like carrot, and also it doesn’t come under the warranty. Therefore users are of opinion that the use of plastic in this juicer should have been less. It should also be noted that some other users think that it’s quite durable and works fine even with hard produce.

Bottom Line

If the users’ prime intention behind buying a juicer is health and not speed, Omega J8004 is the best juicer for them because it extracts a juice which is high in nutrition, without froth or foam and every drop of juice from the produce, thereby full advantage. But if they want a fast extraction of juice, they should prefer a centrifugal juicer.

For more reviews and recommendations, check Omega J8004 Nutrition Center Slow Speed Masticating Juicer Amazon link (link opens in the new window).

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