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LifeSpan TR1200-DT3 Under Desk Treadmill

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LifeSpan TR1200-DT3

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D:63"
W:28.5"
H:7.2"
350 lbs2.25 HP,
0.4-4.0 MPH
Time,
Distance,
Steps,
Speed,
Calories
Frame: Lifetime
Motor: 3 years
Parts: 2 years
Labor: 1 year

Although the LifeSpan TR1200-DT3 has been around for quite a few years, it’s still available at the moment. It’s similar in terms of features to the TR1200-DT5 that we’ve already covered here. However, the treadmill itself is a bit smaller and does not include a desk. It also does not have a Bluetooth feature.

Key Features and Specifications

  • Assembled dimensions: 63L x 28.5W x 7.2H inches (160L x 72W x 18H cm)
  • Tread belt dimensions: 50L x 20W inches (127L x 51W cm)
  • Assembled weight: 119 lbs (54 kg)
  • Max. weight capacity: 350 lbs (159 kg)
  • Motor: 2.25 HP, 0.4 – 4.0 MPH
  • Incline: No
  • Console: Time, step count, distance, speed, calories
  • Warranty: Frame lifetime / Motor 3 years / Parts 2 years / Labor 1 year

Frame construction

The LifeSpan TR1200-DT3 treadmill is constructed on a steel frame coated with a corrosion-resistant paint finish. The color used is black, this being the only color available for this model. Of course, the machine also integrates several parts made from thermoplastic material. The most notable ones are the motor cover and the side rail covers.

As we’ve mentioned above, this treadmill is a bit smaller than the TR1200-DT5, even though they have the same walking surface. The DT3 model is only 63″ (160 cm) long, and 28.5″ (72 cm) wide, so it should fit under most standard desks. It is also recommended to allow at least two feet of clearance on each side of the deck, and at least three feet of clearance at its rear, for unhindered usage.

Although it’s not a standard treadmill and lacks the front upright supporting bars for the console, the TR1200-DT3 is fairly heavy. Its net weight is 119 lbs (54 kg) so the transport of the packaged unit requires two persons. However, once it is unboxed, it can easily be moved by only one person. Its front base integrates a set of transport wheels.

Last but not least, this treadmill rests on four adjustable levelers. They have large rubber pads for an improved grip on the floor.

Deck construction

The LifeSpan TR1200-DT3 treadmill features a cushioned deck. It integrates six shock absorption elements which considerably reduce the impact of the ride. They’re partially concealed by the side rail covers. They are non-adjustable.

The machine is equipped with a 3/4″ (1.9 cm) phenolic deck. In other words, the internal deck board is pretty sturdy but also has a bit of flex which adds to the overall shock absorption of the ride. The treadmill is rated for a maximum user weight limit of 350 lbs (159 kg) which is not bad for a non-commercial machine.

The LifeSpan TR1200-DT3 offers a pretty large walking surface for an under-desk treadmill. It is 50″ (127 cm) long, and 20″ (51 cm) wide, while other models, like the Sunny Health & Fitness SF-T7945, only offer a 40″L x 15″W (101 x 38 cm) active area. The belt is multi-layered with a rubberized top layer designed for an improved grip.

The internal rollers are smaller in diameter than the rollers of the average running treadmill. The front roller is 2.4″ (6 cm) in diameter, while the rear roller is 2.0″ (5 cm). They are tapered, though, in order to provide superior traction and prolong the belt’s life span.

This treadmill does not have an incline system. Its step-up height is 4.6″ (11.6 cm). Thus, there shouldn’t be any ceiling height issues. However, it is recommended to place and use this machine in a room with a ceiling that is at least 10″ (25 cm) higher than your own height.

Drive motor

The LifeSpan TR1200-DT3 is an electric, motorized treadmill. This being said, it requires an external power source. It comes with a power cord featuring a 3-prong US standard plug. The connector for the power cord is at the front base section of the machine, next to an On/Off switch.

The treadmill is equipped with a 2.25 HP motor designed to withstand prolonged workouts. It is powerful enough to support users up to 350 lbs (159 kg) without overheating or losing performance. It also integrates a small flywheel which improves its overall motion stability.

The machine’s motor offers a speed range between 0.4 MPH and 4.0 MPH. This being said, it’s a treadmill made for walking, but you can also perform a light jog or a power walk at 4.0 MPH. The speed increments are 0.1 MPH, so you can easily adapt your pace when making adjustments.

The console features arrow (Up, Down) controls for gradual speed adjustment. When using these, the speed adjusts in increments of 0.1 MPH. However, the console also has a Preset button which offers the possibility to set up a custom speed for quick selection. The default preset speed is 1.5 MPH.

The machine’s motor is pretty quiet. Therefore, the treadmill can be used in an office environment. However, depending on the user’s weight, walking technique, footwear, and other factors, their cadence may generate more or less noise.

Console

The LifeSpan TR1200-DT3 is equipped with a pretty basic console. It’s not incorporated into the machine as is the case for other under-desk treadmills. It attaches to the treadmill via a power cord and is meant to be placed on a desk. But nonetheless, if you’re not going to use the treadmill while working at a desk, you can simply place the console at the front of the machine.

The console unit features a LED display that tracks time, steps, calories, distance, and speed. Speed and distance are by default set to imperial units (MPH and miles) but there is also the possibility to change them to metric units. The treadmill does not have a pulse reading function; it will not read your pulse from a wireless transmitter.

The console does not have pre-set workout programs or Bluetooth connectivity. It also isn’t compatible with any fitness apps. It is pretty easy to use. It has 5 buttons. These are Start/On, Stop/Reset, Preset, Up, Down, and Enter/Mode. The Start/On button is basically the power on button. The Stop/Reset button allows you to either pause the belt or reset the values on the display. The Preset button offers the possibility to set up a custom speed between 0.4 MPH and 4.0 MPH for quick selection. From the Up/Down arrows, you can increase and decrease the speed. And finally, the Enter/Mode button allows you to scroll through the workout metrics or confirm the desired pre-set speed.

Assembly and Maintenance

Like many other under-desk treadmills, the TR1200-DT3 doesn’t require any assembly. All you have to do is remove it from the box, connect the power cord, the console, and the machine is ready to use.

For maintenance, the belt requires lubrication after every 50 hours of use. It comes pre-lubricated from the factory, and shouldn’t need lubrication before the first use. You should also keep the machine clean, especially the belt, to prevent any debris or textile fibers from being caught into the motor or into the rollers.

The Pros

  • Sturdy construction – can support users up to 350 lbs;
  • Low profile design – 7.2″ – can be stored under a bed or couch;
  • Can fit under most desks;
  • 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 – 2.25 HP;
  • Preset speed function;
  • Easy to use LED display console which tracks time, distance, speed, steps, and calories burned; 
  • Speed and distance can be set either to metric or imperial units;
  • Sleep mode function;
  • Low noise level;
  • Little maintenance required;
  • Excellent warranty.

The Cons

  • No pulse reading function;
  • No workout programs;
  • No remote control.

Summary

The LifeSpan 1200-DT3 is an under desk treadmill made for home or office use. It is equipped with a 2.25 HP motor, a heavy-duty deck rated for a maximum user weight limit of 350 lbs, and a console that tracks time, speed, distance, steps, and calories burned. It also offers a pretty wide 50″L x 20″W active surface for a walking treadmill. In all, it’s an excellent treadmill, great for light to medium intensity cardio, muscle toning, stamina development, and weight loss.

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