Sunny Health & Fitness Walkstation SF-T7945 Treadmill

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Sunny SF-T7945

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220 lbsN/A1.5 HP,
0.5-3.75 MPH

The Sunny SF-T7945 Walkstation is one of the treadmills released by Sunny Health & Fitness in 2019. It’s a basic, under-desk treadmill without an incline system and without too many accessories. Also, it’s important to mention here that it is a walking treadmill offering speed levels only up to 3.75 MPH.

Key Features and Specifications

  • Assembled dimensions: 50L x 21.5W x 6.5H inches (127L x 55W x 16.5H cm)
  • Tread belt dimensions: 39L x 14W inches (99L x 35.5W cm)
  • Assembled weight: 55.1 lbs (25 kg)
  • Supported weight: 220 lbs (100 kg)
  • Motor: 1.5 HP, 0.5 – 3.75 MPH
  • Incline: No
  • Console: Time, speed, distance, calories, steps
  • Warranty: Frame 3 years / Parts 180 days

Frame and dimensions

To begin with, the Sunny SF-T7945 is an under-desk walking treadmill. Therefore, it doesn’t have the upright bars and a console at waist level as most other treadmills for home use. It basically consists only of the walking platform while the console is incorporated into its front section.

The machine’s base frame is made of steel tubing. All the tubes in its construction are double-coated with a chip-resistant and rust-resistant paint finish. The color used is black, this being the only color available for this machine.

Of course, the unit integrates several parts made of thermoplastic material. For example, the side rail covers, the motor cover, and several other small covers are plastic-made.

Like most other walking treadmills, the Sunny SF-T7945 model is not too large. Its net footprint is 50″L x 21.5″W (127 x 55 cm). This being said, it should fit under most office desks as their underneath chair space is usually 22″ (56 cm) or more. Also, the machine’s highest point is 6.5″ (16.5 cm). Therefore, it can fit under a bed or couch if there is a clearance of at least 7″ (17 cm).

Although the treadmill doesn’t have any extra supports or devices for being stored vertically and the manual doesn’t specify anything about its vertical storage, the unit can be stored upright against a wall. It’s not super heavy either; its net weight is only 55.1 lbs (25 kg) so it can be carried by only one person. Plus, its front base integrates a set of wheels for easy transportation.

Deck construction and step-up height

The Sunny Health & Fitness Walkstation SF-T7945 features a cushioned deck. It integrates six rubber cushions (three on each side of the deck) concealed by the side rail covers. Even though these shock absorption elements aren’t super large or visible on each side of the deck as is the case for other treadmills, such as the OMA Fitness 5925CAI for example, they still do their job considerably reducing the impact of your cadence.

The machine offers a walking area of approx. 39″L x 14″W (99 x 35.5 cm). It’s not a super large walking surface, but considering that it is a walking treadmill, it should be able to accommodate comfortably users up to 6’3″ (190 cm). The inner deckboard is pretty durable as well, so the treadmill is rated for a maximum user weight limit of 220 lbs (100 kg).

The unit’s integrated tread belt features a multi-layer construction. Its top layer is rubber-made with a textured surface to provide a superior grip. As is the case for most other treadmills, the belt and the deckboard have a bit of flex as well, so along with the cushioning elements, they also reduce some of the shock generated by each one of your foot strikes.

The exact size of the machine’s internal rollers is not specified. It is certain, though, that they have a tapered design for improved traction and to prolong the lifespan of the belt. They also integrate high-grade sealed ball bearings for a smooth belt motion.

Last but not least, the height of the walking surface (or the step-up height) is approx. 4″ (10 cm). This being said, there shouldn’t be any ceiling height issues as long as you use the machine in a room with a ceiling height that is at least 5″ (13 cm) higher than your own height.

Drive motor

The Sunny Health & Fitness SF-T7945 is an electric treadmill. This being said, it requires an external power source and includes a power cord with a U.S. standard plug. The cable connector is placed at the front of the unit. There is also an On/Off switch near it.

The machine’s drive motor is not super powerful. It’s a 1.5 HP peak power motor. However, it’s designed to withstand prolonged walks without losing performance or overheating. It is also equipped with a small flywheel for improved motion stability.

Since the Sunny SF-T7945 is a walking treadmill, its drive motor only offers a speed range between 0.5 MPH and 3.75 MPH. So, on the highest speed setting, you can perform a light jog at best. The speed adjustment increments are 0.1 MPH, which is great as the machine allows you to easily and safely adjust your pace. There are no quick speed selection buttons on the remote control, only the gradual speed adjustment buttons. These have a double function, though. A short press will adjust the speed by 0.1 MPH, while if pressing and holding them, the speed will adjust continually.

Needless to say, since the treadmill doesn’t have a super powerful motor, its usage shouldn’t significantly increase the cost of your electricity bill even if you exercise daily. Also, the motor itself is pretty quiet but depending on your walking gear, weight, or walking technique, your cadence may generate more or less noise.


The Sunny Health & Fitness Walkstation SF-T7945 treadmill is equipped with a pretty basic, LED display console. It does not have pre-set workout programs, Bluetooth, or online connectivity. It also isn’t compatible with any fitness apps. It tracks time, distance, speed, steps, and calories burned. Speed and distance are shown in English units (MPH and miles); there is no option for setting them to Metric units. Also, the treadmill does not have a pulse reading function.

The console unit doesn’t have any controls just the display, so you can only make speed adjustments from the provided remote control. The remote includes a battery and features 5 buttons. These are Speed+, Speed-, Start/Pause, Stop, and Display Switch. The functions of the first four are pretty obvious. The Display Switch function allows you to scroll through the workout metrics and select the one you want to view. However, the console has a Scan Mode as well. It rotates all the metrics showing each one for 5 seconds.

Two other notable console functions are the Lubrication Reminder and the Power Saving Mode. The treadmill should be lubricated every 188 miles and will emit a beeping sound with the “OIL” message on the display notifying you that you should be lubricating the belt. The Power Saving Mode initiates after 10 minutes of inactivity on the machine. When this occurs, the monitor automatically turns off.

Assembly and Maintenance

One major plus of the Sunny SF-T7945 treadmill is that it doesn’t require any assembly. You simply unbox it, connect the power cable, turn it on, and you’re ready to go. The belt may require a bit of adjusting before the first use. An Allen wrench is included with the machine for this purpose and the manual provides clear instructions for it.

For maintenance, you should only keep the machine clean especially the belt to prevent any dirt or textile fibers to be caught into the motor. The belt also requires periodic lubrication. A bottle of silicone oil is included with the treadmill, and you can also use pretty much any generic treadmill oil for it.

The Pros

  • Sturdy deck for a walking treadmill – can support users up to 220 lbs;
  • Sleek, low profile design – 6.5″ – can be stored under a bed;
  • Can fit under most desks;
  • Can be stored vertically as well (against a wall);
  • No assembly required;
  • Transport wheels on the front base;
  • Shock absorption elements integrated into the deck;
  • Speed adjustment increments of 0.1 MPH giving you the possibility to find the perfect pace for your workout;
  • Fairly decent motor – 1.5 HP;
  • Easy to use LED display console which tracks time, distance, speed, steps, and calories burned;
  • Remote-controlled console;
  • Lubrication reminder function;
  • Scan function;
  • Sleep mode function;
  • Low noise level;
  • Little maintenance required.

The Cons

  • No pulse reading function;
  • No workout programs;
  • No app compatibility.


The Sunny Health & Fitness Walkstation SF-T7945 is a walking treadmill designed for home or office use. It is equipped with a 1.5 HP motor, it offers a speed range of 0.5 – 3.75 MPH, a walking surface of 39″L x 14″W, and a remote-controlled LED display console. It does not have a pulse reading function, pre-set programs, or online connectivity. It’s a machine designed for walking, light cardio training, muscle toning, and weight loss.

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