FYC JK43-5 Electric Folding Treadmill

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FYC JK43-5 Treadmill

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265 lbsManual,
3 levels
2.5 HP,
0.5-8.5 MPH
12 programs

The FYC JK43-5 treadmill is one of the fitness machines released in 2021. It offers a few extra features over the FYC JK31-4 model that we’ve already covered here. For example, it has a manual incline system, a slightly wider belt, pulse sensors and controls built-in its handrails, and a console with an LCD display. It’s also a bit heavier, but nonetheless, it’s still a small treadmill made for home use.

Key Features and Specifications

  • Assembled dimensions: 50L x 22.4W x 46H inches (127L x 57W x 117H cm)
  • Running surface: 41.3L x 16.9W inches (105L x 43W cm)
  • Assembled weight: 81.6 lbs (37 kg)
  • Supported weight: 265 lbs (120 kg)
  • Motor: 2.5 HP, 0.5 – 8.5 MPH
  • Incline: Manual, 3 levels
  • Console: 12 programs
  • Extras: Tablet holder, bottle holders
  • Warranty: 1 year

Frame construction

The FYC JK43-5 treadmill features a steel frame construction. The base frame is made of rectangular tubing, the two upright support bars of the console are oval, while the handrails are cylindrical. All the steel tubes are double-coated with a corrosion-resistant and abrasion-resistant paint finish. The color used is black, with the FYC logo in red/white. These are the only colors available for this machine, at least for the moment.

This FYC treadmill is not a large one. With all the parts assembled, it is only 50″ (127 cm) long, and 22.4″ (57 cm) wide. Its highest point is the top of the console which reaches approx. 46″ (117 cm) above the floor. But nonetheless, you’ll need a slightly wider usage area for it. Just as for any treadmill, it is recommended to allow at least three feet of clearance at the rear of the deck, and at least two feet of clearance on each side of the deck for safe usage and ease of access.

The unit’s frame is foldable. The deck can be folded up between the two handrails. The folding mechanism involves a hydraulic cylinder, which slowly lowers the deck when unfolded. In its folded position, the unit’s footprint is reduced to approx. 26.4″L x 22.4″W (67 x 57 cm).

Compared to other home-use treadmills, the FYC JK43-5 is not too heavy. Its net weight is 81.7 lbs (37 kg). These being said, the transport of the packaged unit may require two people or a box trolley. But once the machine is assembled, it can easily be moved by one person. That’s because its front base frame integrates a set of small wheels. Also, the front base frame rests on a set of rubber pads which considerably improve the unit’s stability and grip on the floor.

Deck construction and incline

The FYC JK43-5 treadmill offers a running surface of 41.3″L x 16.9″W (105 x 43 cm). It’s not super long or wide but should suffice for users up to 6’0″ (183 cm). Also, taller persons should still be able to use this machine for walking workouts, or light jogging, but for running, they may not benefit from a complete range of motion.

The treadmill’s deck is cushioned. It has two long shock absorption elements (one on each side), and four other smaller shock absorbers (two on each side), flanking the longer cushions. These considerably reduce the impact of the ride which results in less workout-related pain. Plus, the deckboard itself has a little bit of flex which also adds to the overall comfort of the ride.

The unit’s deck is pretty durable. The exact material and structure of the internal deckboard are not specified, but it is rated for a maximum user weight limit of 265 lbs (120 kg) which is not bad for a small treadmill. The side rail covers are made from a tough ABS plastic material.

The belt features a 5-layer structure. The top layer is rubberized, water-resistant, and textured in order to provide a better grip. The second layer provides some insulation to reduce static. The third layer is the main structural strength element. The fourth layer adds shock absorption, and the fifth layer provides extra compression.

The FYC JK43-5 treadmill is equipped with a manual incline system similar to the ECHANFIT treadmill. It consists of two folding “feet” placed at the rear of the deck. They have three adjustment positions and can be locked in the desired position via metallic pins. With the pins inserted into the top holes, the deck has an angle of approx. 0.9°. The other two positions offer incline levels of 1.8° and 2.9°. Needless to say, since the incline system is manual, you cannot adjust it from the console while walking or running on the treadmill. You will have to pause your workout, adjust the incline, and then resume.

Drive motor

The FYC JK43-5 is an electric treadmill and requires a 110V external power source. It comes with a power cord featuring a U.S. standard plug. The connector for the power cord is at the front of the deck next to the ON/OFF switch.

The machine’s motor is similar in power to the motor of the Sunny Health & Fitness SF-T7604. It’s not a super powerful motor like the ones on commercial treadmills. However, it should provide a decent performance without overheating even if the user is close to the specified maximum weight limit. It is recommended, though, to let the machine rest for at least 10 minutes after every hour of use.

The treadmill offers a speed range between 0.5 MPH and 8.5 MPH. The speed adjustment increments are 0.1 MPH so you can easily adjust your pace when changing the speed. The console has controls for gradual speed adjustment, and quick speed selection controls for 1 MPH, 3 MPH, 5 MPH, and 7 MPH. The right handrail of the machine also integrates gradual speed controls.

The unit’s motor is not super loud. Its noise output is only 60 dB. However, depending on your workout gear, running technique, weight, type of floor, and other factors, your cadence may generate more or less noise. So, it can definitely be heard when in use. But as a general idea, the noise of the motor should not cover the sound of a TV set on a moderate volume level.


The FYC JK43-5 treadmill features a pretty standard console. It has an LCD display divided into five sub-sections. It shows time, speed, distance, calories, and pulse. It does not have the step count function as the FYC JK31-4 model. Speed and distance are shown in MPH and miles. The pulse reading function is grip-only; the console cannot read your pulse from a wireless transmitter so you have to hold on to the sensors integrated into the handrails.

The console does not have Bluetooth connectivity. Therefore, you cannot sync it with your phone or with various online fitness apps. But nonetheless, it has 12 pre-set programs to keep you motivated. Each program has 20 segments and the speed varies from a segment to another. The default workout time for each program is 30 minutes, but you can always change it. The duration of each segment is time/20.

The programs have various segment layouts. Some have an interval layout, others gradually increase or decrease speed, while others aim to help you burn more calories. Needless to say, when a program is in use the machine will automatically adjust the speed depending on the segment of the program.

The console also has a goal-setting function. You can select a workout goal for time, distance, or calories. When a workout goal is selected, the console will count down from the selected value down to zero. This function allows you to keep pushing your limits so you can improve with every workout.

The console does not have a workout fan, sound system, or a USB charging port. However, it does have a small shelf on which you can place a tablet or your phone. Its dashboard also has two large trays in which you can store various small accessories or water bottles, to have them at hand during your workouts.

Assembly and Maintenance

The treadmill’s deck with the motor, rollers, belt, and other drive elements, comes pre-assembled. You only have to attach the two upright bars and the console. This shouldn’t take more than one hour of your time. The manual provides clear assembly instructions and all the necessary tools are included.

For maintenance, it is recommended to keep the machine clean, especially the belt, to prevent any debris or textile fibers from being caught in the motor. The belt requires periodic lubrication; any standard silicone treadmill lubricant can be used for this. It is also recommended to periodically inspect the machine to make sure that all the parts function properly.

The Pros

  • Sturdy construction – can support users up to 265 lbs;
  • Folding deck, space-saving design;
  • Transport wheels on the front base frame;
  • Pulse sensors and controls integrated into the handrails;
  • Six shock absorption elements;
  • Manual incline – 3 levels;
  • Speed range between 0.5 and 8.5 MPH;
  • Speed adjustment increments of 0.1 MPH;
  • Quick selection controls for 1, 3, 5, and 7 MPH;
  • 12 pre-set workout programs;
  • Goal settings for time, distance, and calories;
  • Device holder integrated into the console;
  • Accessory trays moulded into the console dashboard;
  • Little assembly required;
  • Little maintenance required.

The Cons

  • Fairly small running surface;
  • No online connectivity.


The FYC JK43-5 is an electric folding treadmill made for home use. It is equipped with a 2.5 HP motor with a 0.5 – 8.5 MPH speed range, a 41.3″L x 16.9″W belt, and a console with 12 workout programs. It also has a 3-position incline system. It’s an affordable treadmill, great for high-intensity cardio workouts, muscle toning, stamina development, and weight loss.

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