EFX® 423

Precision™ Series

Your lifestyle is fitness. And your equipment needs to go the distance. The new Precision™ Series Ellipticals are commercial models for your home with the design and features favored by fitness center exercisers and owners. New technology uses your preferences and exercise data to deliver a personalized workout experience that promotes better results and saves you time. The Precision Series is club-proven reliability in an Elliptical personalized for your home.

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Call 1-877-535-3285 for sales info, store locations or to order.




Millions of exercisers love the smooth and fluid feel of Precor ellipticals. The stationary handlebars on the EFX® 423 puts the focus on the large muscles in your legs and glutes. The 423 provides a natural, low-impact workout that helps you get results. With 10 preset workouts, SmartRate® target heart zone monitoring and 20 levels of resistance, you’ll have lots of options for personalization and tools to track your workouts.

Equipment Features

CrossRamp® Technology With Precor patented adjustable CrossRamp® technology, you can alter the height of the elliptical path your foot travels. Called Variable Stride Geometry™, this allows you to focus on a specific muscle group or all major lower-body muscle groups, so you can work the muscles you want, when you want.
CrossRamp® Movement Motorized variable
CrossRamp® Elevation Range 15°-40°
CrossRamp® Number of Levels 1 - 20
Ramp Material Precision extruded, anodized aluminum
Handlebars Fixed, for lower-body focus
Reversible Pedal Rotation Yes
Pedal Locking Pin Yes
Storage Oversize water bottle holder, 2 remote control/phone holders, magazine holder.

Resistance System

Resistance System Electromagnetic Eddy Current Resistance
Resistance Levels 20
Minimum Watts 10 watts (Level 1 at 20 RPM or 40 strides/minute)
Maximum Watts 625 watts (Level 20 at 100 RPM or 200 strides/minute)

Console Features

Console Type High contrast blue-white LCD. Acrylic overlay.
CrossRamp and Resistance Changes Tap style Dome Keys
Personalized Suggested Workout No
User IDs User IDs allow you to quickly retrieve the most recent workout and also lets you select the default workout duration and provides the most accurate calories and target heart rate calculations. A great option for households with more than one user, so you each can store your preferences.
Number of User IDs 2
Custom Workouts per User ID 0
Options Key Yes, DURING your workout, "Workouts" key lets you change your workout type and "Enter" lets you change your duration, age and weight.
Pace Feature No
Units Selection Metric or U.S. Standard
Preset Workouts 1-1 Interval
1-2 Interval
Weight Loss
Basic HRC
Hill Climb
Cross Country
Cross Trainer
Number of Preset Workouts 10
Accelerator Workouts Aerobic, Hill Climb, Cross Country, Gluteal, Cross Trainer
Workout Feedback Metrics Time Elapsed, Time Remaining, Calories, Calories/Min, Heart Rate, Target Heart Rate, SmartRate® Zone
Distance, Strides/Min, Average Strides/Min
Resistance, CrossRamp®
% Complete
Number of Metrics Available During Workout 13
Workout Summary Metrics Time Elapsed, Total Calories, Total Distance, Average Strides/Min
Number of Workout Summary Metrics 4
Workout Tracking No
Preva® Workout Tracking No
iPod®/iPhone® Compatibility Volume control
Android Compatibility Volume control
Tablet holder Yes with SmartGrip™ holder
Software Upgrade Capable No
Equipment Settings Default workout time, Max workout time, Max pause time, max cool down time, Configuration (model), Max CrossRamp

Heart Rate Monitoring

Touch Yes

Chest strap transmitter required.

Chest Strap Transmitter Works with any Polar® compatible 5 KHz chest strap transmitter
Chest Strap Transmitter Included Yes

SmartRate® instantly displays heart rate. When age and weight are entered, SmartRate helps the user to stay in fat burn, cardio or peak target zone for a more efficient cardio and weight loss workout.


Equipment Dimensions and Weight

Length 84 inches / 213 cm
Width 31 inches / 79 cm
Height 67 inches / 171 cm
Equipment Weight 210 lbs / 95 kg

Power Requirements

Equipment Plug In
U.S. & Canada 120 VAC 120V, 50/60 Hz


Frame and Weldments Lifetime
Parts and Wear Items 10 years
Console 3 years
Labor 1 year

Manufacturer reserves the right to change or alter specifications at any time. Precor protects its product by vigorously enforcing its patent, trademark, copyright and other applicable intellectual property rights in the USA and in other countries. Precor is a registered trademark of Precor Incorporated.

Professional Delivery and Assembly

What to Expect

  • Once we receive and prepare your order, we ship your equipment from Precor to a local certified agent who specializes in delivery and installation of Precor fitness equipment.
  • The installer will call you soon after receiving your equipment from Precor.
  • They will set up a date and time to install your equipment.
  • The installer will arrive with your equipment on the date and time agreed upon by you.
  • The installer will place, assemble and test the equipment in the room of your choice.
  • All cartons and packaging will be removed from your home after assembly.
  • Most appointments require one to two hours, depending upon the equipment purchased and where the equipment will be installed. More time may be needed for certain models or if the equipment has to be disassembled to fit through doorways.

You can expect to have your equipment installed in your room of choice in about 3 1/2 weeks. However, this can vary depending upon your location, availability for installation, weather conditions and holidays.

Precor always recommends professional assembly, however we have created video tutorials for more information on how to assemble your Precor Elliptical or Treadmill if you choose to do-it-yourself. Please click on the link that corresponds with your Precor model.

Create an Account to See Your Order Status

If you create an account when you place your order, you can monitor the status of your order.

As your order moves from submitted to delivered, you will receive automatic email status updates from The Precor Store. Or, check the status of your order at any time from your Precor Store account.

Once you receive your equipment be sure to protect your investment. Register your warranty on Precor.com in the Customer Service section.

Precor.com Professional Delivery and Installation Fees

There is a flat charge for items purchased from precor.com for professional delivery and installation.

  Delivery and Installation Fee
Exercise and Spinner Bikes
EFX Elliptical Fitness Crosstrainer
Commercial EFX (800 Series models)
Adaptive Motion Trainer (AMT) $349

The items below require only minimal assembly and are shipped directly to you.

  Delivery Fee
Home Bench
Large Equipment Mat
for Treadmill, Elliptical, AMT® or Recumbent Bike
Small Equipment Mat
for Upright Bike
Assault AirBike  Free

Warranty & Service

Backed by One of the Best Warranties in the Industry

We’re proud of our reputation for designing and making durable and quality equipment.  That’s why we confidently offer one of the best warranties available for fitness equipment:

  • Lifetime Warranty on the Frame and Welds
  • 10 year or 5 year Warranty on Parts and Wear Items
  • 1 year Warranty on Labor
  • See below for commercial products purchased for home use.


We stand behind our Products, Installers and Servicers


We strive to provide quality equipment, exceptional customer service, and a warranty that protects your investment in the event your equipment should encounter specific issues.

To ensure you receive the quality service you deserve, we select Precor Dealers, Installers and Servicers whom we believe share our vision of quality and service, and we provide training to them for proper installation and maintenance.

If you have specific service questions, please visit our FAQ page in the Customer Support section

To determine the Warranty coverage for your home equipment, consult your Owner’s Manual.

10 Year Warranty for home equipment is included on:

Elliptical Fitness Crosstrainers™ (EFX®):

  • EFX 5.37
  • EFX 5.35
  • EFX 5.33
  • EFX 5.31
  • EFX 447
  • EFX 425
  • EFX 423



  • 9.35
  • 9.33
  • 9.31
  • 445
  • 425


To view the home equipment 10-year warranty, click here.


If you purchase our commercial fitness equipment for home use, our commercial warranty applies with a few exceptions. Please reference the Limited Warranty statement here.

Commercial Strength Limited Warranty Statement

Commercial Cardio Limited Warranty Statement

Commercial Spinner Bike Line Limited Warranty Statement

Adaptive Motion Trainer (AMT®):

  • AMT 813
  • AMT 835


Elliptical Fitness Crosstrainers™ (EFX®):

  • EFX 833
  • EFX 835



  • UBK/RBK 815
  • UBK/RBK 835
  • UBK/RBK 615


Strength Systems:

  • S3.15
  • S3.23 Functional Trainer
  • S3.45



Stretch Trainer


5 Year or 10 Year Warranty is included on:

Elliptical Fitness Crosstrainers™ (EFX®):

  • EFX 5.25
  • EFX 5.23
  • EFX 5.21
  • EFX 245
  • EFX 225
  • EFX 222
  • EFX 221



  • 9.27
  • 9.23
  • 243
  • 223
  • 211


To determine your home equipment year warranty, click here


EFX® 423 Elliptical Fitness Crosstrainer™