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XTERRA Fitness TRX3500 vs SOLE F85

When comparing the XTERRA Fitness TRX3500 and the Sole F85, there are notable similarities and differences. Both models have a folding design, similar speed range, and offer device holders, cooling fans, audio and handlebar buttons.
However, the Sole F85 has a stronger motor power of 4 HP compared to the TRX3500’s 3 HP, and also offers a higher weight limit of 400 lbs. and a larger belt size. The TRX3500 stands out with its 30 preset workout programs, while the F85 includes heart rate chest strap and larger rollers. In terms of warranty, both treadmills offer a lifetime warranty on frame and motor, but the F85 offers a longer warranty period for deck, electronics, and parts​.

XTERRA Fitness TRX3500

Sole F85

XTERRA Fitness TRX3500 treadmill SOLE F85 treadmill

XTERRA Fitness TRX3500 vs SOLE F85 Specs Comparison

  • Connects to third party apps like Zwift, Kinomap, Tacx, and more
  • 350 lbs weight capacity
  • 20″x60″ deck, 3 HP stron motor
  • Good warranty
  • 22″ X 60″ large runnig deck
  • 4 HP strong motor, 15 levels of incline
  • Handlebar buttons
  • Comes with wireless heart rate monitor
  • 400 lbs weight capacity foldable design
  • Great warranty
  • Display is very basic
  • No decline
  • Large footprint, heavy machine
Brand XTERRA Fitness Sole
Model TRX3500 F85
Motor Power 3 HP 4 HP
Speed Range 0.5 – 12 MPH 0.5 – 12 MPH
Incline/Decline 12 levels 15 levels
Folding yes yes
Belt Size 20″ X 60″ 22″ X 60″
Weight Limit 350 lbs. 400 lbs.
Heart Rate Monitor Integrated handlebar heartrate sensors Pulse Grips & Chest Strap Compatible (Included)
Built-in Programs 30 Preset, 2 Custom, 1 Heart Rate 10 + Custom profiles
Tablet/Device holder yes yes
Cooling Fan yes yes
Display 6.5″ Blue Backlit LCD display 10.1″ TFT LCD
Touchscreen no no
Handlebar Buttons yes yes
Audio yes yes
Bluetooth Audio yes yes
Training Apps Connects to FTMS-enabled third party apps like Zwift, Kinomap, Tacx, and more
Rollers No info 2.75″ Rollers
Dimensions 77.2L x 35.5W x 56.1H inches 82L x 37W x 66H inches
  • Lifetime Frame
  • Lifetime Motor
  • 2 Years Deck
  • 2 Years Parts
  • 1 Year In-Home Labor
  • Frame Lifetime
  • Motor Lifetime
  • Deck, Electronics, Parts 3 Years
  • Labor 1 Year
See Price at Amazon See Price at Amazon
XTERRA Fitness TRX3500 treadmill console SOLE F85 treadmill console
XTERRA Fitness TRX3500 treadmill frame SOLE F85 treadmill frame

Side by side images of XTERRA Fitness TRX3500 and SOLE F85 treadmills