Sunny Health & Fitness ASUNA 8730 Treadmill

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ASUNA 8730

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220 lbsNo2.5 HP,
0.6-8.0 MPH

If you’re looking for a space-saving treadmill with a low profile as well, the Sunny ASUNA 8730 is definitely one model to put on your list. It’s one of the newest treadmills released by Sunny Health & Fitness in 2019. It’s a machine designed for walking workouts but does provide speed settings up to 8.0 MPH.

Technical Details and Specifications

  • Assembled dimensions: 59″L x 30.5″W x 40″H (150L x 77W x 101H cm)
  • Tread belt dimensions: 49″L x 17.75″W inches (125L x 45W cm)
  • Assembled weight: 108 lbs (49 kg)
  • Weight capacity: 220 lbs (100 kg)
  • Motor: 2.5 HP (peak), 0.6 – 8.0 MPH speed range
  • Incline: No
  • Console: Time, distance, step count, speed, calories burned
  • Amenities: Sound system, tablet holder
  • Warranty: Frame 5 years / Parts 180 days

Frame and deck

The ASUNA 8730 treadmill is constructed on a steel frame. Its deck is sturdy enough to support users up to 220 lbs (100 kg). All the steel parts in its construction have a black paint finish which is resistant to rust and abrasion. The side covers of the deck are aluminum-made; they don’t have a paint finish featuring their natural light gray color. The top sections of the side rail covers are rubberized in order to provide extra foot adherence when you rest on them. The cover of the motor is also made of ABS plastic.

Although it has a very slim construction, the unit is not exactly light; it weighs approx. 108 lbs (49 kg) which means that its transport should be done by two persons. However, once the unit is unboxed and set up, its relocation can be done with ease, using the small wheels integrated into its front base.

This Sunny Health & Fitness treadmill features a folding design. Its side support bars can fold down alongside the deck, while the console folds above the deck. With the sidebars and the console in a folded position, the unit’s height is approx. 4.5″ (11.4 cm). Therefore, you can even store it under your bed if there is a clearance of at least 5″. The machine can also be stored upright, leaning against a wall.

The fully set up unit isn’t extremely large. It is approx. 59″ (150 cm) long, and 30.5″ (77 cm) wide. Also, with the sidebars unfolded, its height reaches approx. 40″ (101 cm) above floor level. It is recommended, though, to leave at least two feet of clearance on each side of the unit, and at least three feet of clearance at the rear of the deck.

The machine’s deck provides a running surface of 49″L x 17.75″W (125 x 45 cm). This should be enough for users up to 6’5″ (196 cm), considering that it’s a treadmill made for walking or light jogging only. The deck integrates several sets of shock absorption elements. Therefore, a walk or jog on this machine results in less stress on your joints.

The ASUNA 8730 treadmill does not have an incline system. Also, it is not recommended to place anything under the front side of the deck in order to give it an inclined position. When the machine is in use, the deck should always be on a flat, hard surface.

Drive motor

The Sunny Health & Fitness ASUNA 8730 treadmill is equipped with a drive motor similar to the one on the ASUNA 7750. It offers a 2.5 HP (1.25 CHP) which is more than enough for walking or jogging workouts. It is powerful enough to support any user up to 220 lbs (100 kg), for prolonged exercising routines, without overheating or losing performance. Also, its front section integrates a small flywheel which adds stability to the motion of the belt and reduces vibration.

The speed offered by this motor ranges between 0.6 MPH and 8.0 MPH. The console offers buttons for gradual speed adjustment and quick speed adjustment. The gradual speed adjustment controls (+, -) allow you to adjust the speed in increments of 0.1 MPH. These have a double function; a short press adjusts the speed by 0.1 MPH, but you can also press and hold them for a steady and continuous speed increase or decrease. The quick selection controls allow you to directly change the machine’s speed to either 2.0 MPH or 4.0 MPH.

In terms of generated noise, the motor isn’t too loud. During a walking workout, your cadence can barely be heard. However, if running at 8.0 MPH, your cadence will be heard, and the unit will become louder, but it’s not loud enough to cover the sound of your TV on a moderate volume setting. Also, since the motor isn’t exactly a very powerful one, you won’t have to worry about high electricity bills even if you use the machine daily.


The ASUNA 8730 treadmill is equipped with a minimalistic console featuring four LED displays. It is actually pretty similar to the one on the Sunny SF-T7718. From left to right, the four displays indicate distance, time/step count, calories burned, and speed. The time and step count readings on the 2nd display are shown alternatively, each one for 5 seconds. Distance is indicated in miles, while speed is shown in miles per hour. The console does not have a pulse reading function, so in case you need to keep an eye on your heart rate during your workout, you will have to use a separate device.

The console does not have any preset programs or goal settings. It is very easy to use. It has a Start/Pause button which allows you to begin and pause your workout without clearing the values on the displays. The Stop button turns off the machine. The +/- buttons allow you to adjust the speed gradually, while the “2” and “4” buttons give you the possibility to quickly select a belt speed of 2 MPH, and respectively 4 MPH.

Two other notable features on the ASUNA 8730 console are the sound system and the tablet holder. The sound system consists of two speakers and a 3.5 mm AUX port. Therefore, you can connect your smartphone, tablet, or MP3 player via the included cable to the console of the treadmill, in order to listen to your music through the incorporated speakers. In case you’re wondering, the console does not have Bluetooth capabilities. The tablet holder is foldable; it is large enough to accommodate any tablet and features a non-slip element in the middle which provides extra adherence for your tablet.

Assembly and Maintenance

The Sunny Health & Fitness ASUNA 8730 treadmill comes already assembled. All you have to do is unbox it, unfold its sidebars and lock them in an upright position, and plug it in. The manual provides very clear instructions for all these steps, and a tool for locking/unlocking the two bars is included.

The unit’s deck is pre-lubricated, so you won’t have to lubricate it before the first use. However, periodic lubrication is required and a bottle of silicone oil is included with the machine. Other than this, it is recommended to keep the tread belt clean to prevent any objects, dirt, or textile fibers to be caught into the rollers or motor.

The Pros

  • Sleek, low profile design – 4.5″ – can be stored under a bed;
  • Comes fully assembled;
  • Folding side arms and console;
  • Durable deck – can support users up to 220 lbs (100 kg);
  • Two sets of transport wheels on the front base;
  • Shock absorption elements integrated into the deck;
  • Speed range between 0.6 – 8.0 MPH;
  • Speed increments of 0.1 MPH giving you the possibility to find the perfect pace for your workout;
  • 2.5 HP motor;
  • Easy to use LED-based console which tracks time, distance, step count, calories, and speed;
  • Quick speed selection controls for 2 MPH and 4 MPH;
  • Sound system included;
  • Tablet holder included;
  • AUX cable for the sound system is included;
  • Little maintenance required;
  • Excellent warranty.

The Cons

  • No pulse reading function;
  • No programs;
  • No goal settings.


The Sunny Health & Fitness ASUNA 8730 is a walking treadmill featuring a very slim design and high portability. It’s equipped with a 2.5 HP motor and offers speed settings up to 8.0 MPH. Its console is LED-based and tracks time, pace, distance, calories, and speed. It’s an excellent treadmill for light to medium intensity cardio workouts, muscle toning, speed-walking, building stamina and losing weight.

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