Gold’s Gym 420 Review

Treadmills Editorial Team | Last Updated - Mar 6, 2020
Editor's Rating: 6.1/10

The Gold’s Gym 420 Treadmill is an entry-level machine that is ideal for beginners. For just under $400, it’s an impressively budget-friendly model that is typically sold by retailers like Walmart. Just don’t expect it to last like a more expensive model. You get what you pay for.

The 420 ships with a 2.5 CHP G-Force motor and can withstand user weights up to 300 pounds. This model features AirStride Plus Cushioning for joint support and the running area is 18” wide and 50” long. Users can incline up to 10% and reach a top speed of 10 mph. The machine uses the patented SpaceSaver Design, so it can be easily folded for storage. Overall, the 420 is quite a compact and lightweight model.

The console provides the basic workout necessities and nothing else. Users get two large water bottle holders, a cooling fan, and 16 built-in workout programs. There are also two 2″ speakers and an smartphone compatible music port, but no other entertainment options. The 5″ x 7″ display screen features a race track style display and provides basic workout readouts like time, distance, and calories burned. To keep track of your heart rate, you can use the built-in EKG dual-grip sensors. There are no wireless heart rate monitoring capabilities with this treadmill.

The warranty on this model includes 5 years on the frame and motor, and 90 days on parts and labor.

What We Like:

  • Folding Design: Folding frames are almost always on our “what we like” list (provided that the frames are durable of course) because it’s such a convenient feature for in-home use.
  • Price: It’s incredibly rare to find a treadmill for under $400, especially one with decent features like this one. You will compromise some quality with this price tag, but for those on a tight budget it might be worth it.
  • Power Incline: A 10% power incline is rare in this price range.
  • Program Variety: For under $400, 16 built-in workout programs isn’t bad. It’s not great, but at least there is some workout variety.

What We Don’t Like:

  • Display Screen: This model features a very small 5″ x 7″ display screen with only three readouts: time, distance, and calories burned. It also features a race track style display, but that’s it. No touchscreen or entertainment offerings here. This console provides the basics and nothing else.
  • Warranty: With a treadmill this cheep, you can’t expect a lifetime warranty. But even so, 90 days on parts and labor is pretty rough.
  • Running Area: The running area on this model is probably one of the smallest on the market. The average running deck is somewhere around 20″ wide and 60″ long, but this model is a cramped 50” long and 18” wide. This will be a problem for taller people, runners, or anyone who simply wants some space while working out. For many users, this will also become a safety concern.
  • Speed and Incline: With an incline of only 10% and speeds topping out at 10 mph, this model may not be the best match for runners.

Our Verdict:

This treadmill is designed for beginners. It’s not a good choice for runners, and it’s certainly not appropriate for anyone seeking a reliable treadmill that will last. For under $400, what can you expect? If you are looking to save money and give a treadmill a try before committing to a better model, this might be a nice starter model. When you are ready to move onto more durable machine, consider checking out one of our best buy award-winners like the NordicTrack Commercial 1750.

Best Alternative

Horizon T101 (2019)

Horizon T101 (2019)

This Treadmill Could Be For You If: You're looking for a budget-friendly, entry-level treadmill  You want a treadmill more

See best price »

This model has been discontinued.


  • Pam April 13, 2019 at 1:39 pm
    My mat on the treadmill has folded back on one side. What can I do to fix this problem?
    • Amanda B. April 18, 2019 at 10:23 am
      Hi Pam, you may need to disassemble the running belt to get it back aligned properly. These things can happen over time and wear. We suggest removing the belt from the treadmill and assembling it back in the correct position.
  • Tonya McKinney September 6, 2019 at 11:09 pm
    Hi my belt was off centered so I tried fixing it and when I did that now when I turn it on the belt tries to move for a few seconds but suddenly stops.
  • Tonya McKinney September 6, 2019 at 11:12 pm from Georgia
    Hi I tried to recenter my treadmill belt and a few days after doing this it stopped turning. I can turn it on it will make the noise and move a little and then stops. The incline works and the display as well, the belt just won't turn.
    • Amanda B September 9, 2019 at 11:38 am
      Hi Tonya, it is possible that the treadmill belt is too tight or has become off-center again. For the best results, contact the treadmill manufacturer so that you can get the right fix specific to your treadmill.
  • Timothy M Flick September 23, 2019 at 4:57 pm from Doss, Texas 78618
    I have a golds Gym Trainer 420, every thing works, incline works, display works, however the belt and belt motor do not seem to run. what do I need to look at?
    • Amanda B September 25, 2019 at 3:33 pm
      Hi Timothy, it's possible that the belt is too tight or not centered properly. You can try lubricating the belt or recentering it. Make sure to check your user manual or contact your treadmill manufacturer before attempting to do any of these fixes to ensure that you do not damage the treadmill.
    • Michael P Jones October 20, 2019 at 2:55 pm from NY
      I'm having the same problem, close inspection shows damage. Burnt, on the motor control board board, having a hard time finding one
  • Michael P Jones October 20, 2019 at 2:53 pm from NY
    I'm trying to find a motor control board for a golds gym 420, model number GGTL39613, Any ideas, striking out everywhere
    • Tim M January 6, 2020 at 8:21 am
      You can find one on ebay. Replaced my controller board this week when I saw red led would not flash or come on.
  • Mike May 28, 2020 at 8:37 am from OH
    The display works, but belt has stopped moving. Any advice on how to fix?
    • Amanda B May 29, 2020 at 4:37 pm
      Hi Mike, your belt might be misaligned or the tension could be too tight. Please check your manual on how to troubleshoot these problems.

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