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SF-E3912 - Magnetic Elliptical Trainer w/ High Weight Capacity
Sunny Health & Fitness Magnetic Elliptical Trainer Machine w/ Device Holder, Programmable Monitor and Heart Rate Monitoring, High Weight Capacity - SF-E3912
By Sunny Health & Fitness
Pack a cardio workout in the comfort of your own home with the SF-E3912 Pre-Programmed Elliptical Trainer by Sunny Health & Fitness. Stride 15.5 inches when you step onto the wide and textured foot plates. Grab on to the handlebars to engage muscles in your upper body and to maintain balance during your exercise. Hold on to the pulse grips to keep tabs on your heart rate as you stride. Device holder and water bottle holder built in for your added convenience.
- 16 Adjustable resistance levels
- 24 Built-in programs
- Electro-magnetic resistance system
- 15.5 in Stride length
- 330 lb weight capacity
- Full motion handlebars
- Pulse sensors
PERFORMANCE MONITOR W/ DEVICE HOLDER
Use the on board display to track your speed, time, distance, calories burned, rotations per minute, watt generations, and magnetic resistance level.
PULSE SENSORS
Monitor and maintain your target heart rate. Measuring your pulse rate is an important tool for exercising correctly and efficiently.
FULL MOTION ARM EXERCISERS
Utilizing the full motion handlebars will engage muscles in pecs, biceps, traps while also activating muscles in glutes, thighs and hamstrings.
BOTTLE HOLDER
Bottle holder keeps your favorite refreshing beverage within arm's! Proper hydration will ensure your health and workout performance stay at optimum levels!
NON-SLIP FOOT PEDAL
Textured non-slip foot pedals will accommodate all sizes, while the remaining grip will ensure safe footing during the most demanding and vigorous workouts!
TRANSPORTATION WHEEL
The wheels at the front of the unit allow the user to move their equipment around with ease, from room to room, or store it away out of sight.
FLOOR STABILIZERS
To prevent tipping, rocking, and swaying on uneven surfaces for carpets and hardwood floors alike, simply turn until level.
MOTORIZED ELLIPTICAL
The elliptical will work manually when not plugged in; the resistance will remain the same as the last setting.
J. Dahlberg
2025-08-24 17:05:44
I got this on sale after reading a ton of reviews for this and similar ones. The top two negative comments seemed to be setting it up and that it's wobbly.This is no more difficult to put together than an IKEA dresser, but with more steps. As for the wobblyness, sure, it moves a bit, but it's solid, and for the price this is a great machine.I wasn't sure my knees could handle an elliptical, so I didn't want to invest thousands of dollars. I definitely can't use a treadmill and I'm not a fan of bikes. This has really smooth movement and doesn't hurt my joints at all. Glad I got it.
Naomi Ponder
2025-08-13 21:04:30
The first elliptical that came in the mail had issues, and given the differences in packaging compared to the second I believe I was sent one that had been previously returned. There were stripped screws, parts that took a lot of oomph to fit, and the biggest flaw was the preassembled mainframe was broken. There was little to no resistance when turning the pedals, and when the pedals reached a certain part there was a very loud clanking noise like some parts were hitting each other. You could feel this, and it would often completely stop movement. It was unusable. In big bold letter on the manual SUNNY requests that you do not return items and contact them first, but I advise that if you have problems you ignore this and contact Amazon. Their phone number was always busy and impossible to get through, and when I sent in an email support request the auto response informed me to expect to wait 7-14 business days for each reply. For email responses. Absolutely ridiculous. I waited a few days and contacted Amazon support, who also tried to get in contact with the manufacturer with no success. I was shipped a replacement and had to send the other one back.The replacement was perfect. No issues in parts, no weird cramming having to be done, no stripped screws. And the mainframe has proper resistance and is completely silent. It was significantly better packed for shipping as well. I am now using my very quiet, very very sturdy, nice elliptical machine and am very happy, and still have yet to get a response from my initial support request from the manufacturer. My advice - if it's not perfect, contact Amazon and send it back. If the manufacturer cares about losing money from returns of faulty machines, they should hire better support so there are not ridiculous wait times, and maybe not send previously returned merchandise as new.Rated 4 stars instead of 5 because of the support issues, the machine itself is perfect. :)
Sharon M
2025-07-28 18:28:53
Ok, here goes for any of you out there who are hesitant because you have to assemble this device. I’ve gotten as far as installing the handlebars and the little computer, basically 90% done, and it seemed a good time to write an assembly review! The instructions are pretty clear, the diagrams are precise tho very small. The parts on the diagrams and on a separate list of parts are all numbered, but the parts themselves are NOT. Only left snd right are labeled. This surprised me since everything else is very well thought-out. The most difficult part for me was installing the 2 pedals. The pedal support rods at that stage are very low to the floor, the bolts go in at the bottom and don’t “catch†easily, so a lot of back-aching bending over and cussing. Also you will definitely need a second Allen wrench to counter-tighten several bolts. The one they provide has a Phillips head on the long end and it’s difficult to get good torque with a short Allen wrench. If anyone from Sunny is reading this, I recommend the parts all have numbers corresponding to the diagrams, the drawings on the diagrams should be either darker or bigger, they’re hard to see. Finally, considering the very high-quality parts and hardware, why not include a good Allen wrench AND a separate Phillips screw driver!! When I’ve used this machine a bit I’ll write a follow-up review. I gave the assembly 5 stars despite a few small minuses, especially since I purchased it 50% off and it’s a real honker of a machine!!
Kyle R. Clark
2025-06-25 10:20:18
I think the elliptical itself is probably really good. The computer, on the other hand, seems to have issues.I can turn the computer on and get started in a workout, but after 4 minutes, it shuts off. 4 minutes is also the time that it takes to turn off when it doesn't receive any input. I believe it's not receiving any feedback from the wheel, which is strange because if I turn up the difficulty, it works fine. But the speedometer and odometer do not change at all, which tells me that there's probably a loose return wire.I'm decent with electronics, but not great. I checked all the connections and even opened up the computer to make sure there wasn't any damage in there. From what I can tell, all connections look fine.I'll be emailing support and probably opening up the wheel to see if the sensor is bad. I'm hoping it's just a loose connection. This thing will be a pain to ship back, so I don't want to resort to that unless absolutely necessary.As for assembly, I would give it a 7/10. It was pretty easy. The instructions probably could have had more than 7 steps. It would have helped if each step was broken into smaller pieces. It took my wife and I about an hour and a half.Build quality (other than the wiring issues) - 6/10. There's a lot of cheap (VERY cheap) plastic, but only on parts that don't matter such as plastic covers. The elliptical does not depend on these cheap parts to function. The enclosure to the computer could have been made with nicer plastic though. As for the non-plastic pieces, I think they're totally fine. Other reviewers complain about noise, but ours is nice and quiet. Perhaps it'll need more grease at some point. It would be nice if the stabilizers had a wider stance. The elliptical feels like it could tip over while in-use. We're on carpet right now, so that might be the issue.Hopefully I'll be updating this to a 3 or 4 star in the near future (that'll be up to customer support..)
Vanessa Jocko
2025-06-12 15:38:11
*Update* it did start to squeak after about a month of use, but after tightening the screws at the base of the control arm it was fine again!I had no issues assembling the machine by myself, the instructions look overwhelming but was easy to put together. You will need help to move it though. I had to help the delivery person bring into my house which wasn't expected. I had no issues with parts or alignment as some reviews suggest and there was lots of grease on the parts so I don't anticipate squeaking and have had no issues yet. Stride is a bit short and display screen is VERY basic but for the price it's a great machine and a great workout. I was pleasantly surprised and happy with this purchase.
Carlos
2025-06-04 14:00:18
Por el precio es muy buena opcion en elipticas. Sencilla pero con suficientes atributos para ejercitarse en casa. Muy buena relacion de costo/beneficio.
Miguel A.
2025-05-01 13:51:42
Es buena y resistente, la pantalla es suficiente para poder conocer el avance que llevas.Considerar que la información desplegada en la pantalla es en unidades imperiales no en modo métrico y de acuerdo al service support no hay como modificar esto.
Customer
2025-03-03 09:25:55
The Sunny Health & Fitness Advanced Programmed Elliptical Machine was a bit time-consuming to assemble but has so far (only one day) been a sturdy and easy-to-use piece of equipment.I encountered an E1 error during initial use, but it was resolved by fixing a bent pin. I noticed the bent pin during assembly but didn't realize what I was looking at. I just figured the middle pin was supposed to be bent slightly downward. It was only after putting it entirely together and getting the error that it dawned on me what I had seen. This problem also seems to be a somewhat uncommon, but occurring, issue among other users in the reviews. I also noticed that one of the screws has a missing chunk out of its head, but it screwed in fine and seems to be holding.Despite the initial E1 hiccup, my mom is very pleased with the machine, and I expect it will continue to perform well in the long term. I will update this review in half a year to provide an update on its durability.
Stacy G
2024-11-25 18:21:43
I was very unsure of the quality purchasing an elliptical off Amazon without trying it out in person. I read the reviews and was pretty satisfied with what I read. So i went for it and bought it. Shipping took a bit longer as they were out of stock however, I was shortly notified via email once stock was in. Set up was a bit difficult but luckily for me my boyfriend set the machine up just under 2 hours. The instructions were good and straight forward to assemble. As for the machine, the elliptical works great- gym quality. It's sturdy, smooth and quiet. I definitely recommend buying one if you're in the market!
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