Our Ratings are 4.78 Stars out of 5 Stars from 20,483 Reviews as of 5/23/22

Xterra TR6.6 Treadmill Review

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Brief Overview

Nice treadmill but a bit dated, the TR600 is quite an upgrade at around the same price! My guess is that the TR600 & TR6.6 exist in the same line because of channel conflict. You don't want someone to be able to price shop, do you? Costco has been selling these and we have heard good results from the customers about the quality. Hope they keep it up. The downside of the Xterra units is that they are yesterday's technology. From the slow response from the computer controls to the cheap mechanical switches to the total lack of interactive features, Dyaco is falling behind while the world is moving ahead. We hope they are making moves to try to move into the 21st Century but at this point, they are woefully behind.


Number of Programs 4
Heart Rate Sensor and Type Heart rate control and hand grip pulse sensors
Horsepower 3
Speed Range 0 - 12
Incline/Decline Range 0 - 15
Weight Capacity 350 Lbs
Belt Size 20 x 60
Footprint 79.5 x 35 x 53
Folds Yes
Weight of Unit 265 Lbs
Warranty Lifetime Frame and Motor, 5Yr Deck, 2Yr Parts, 1Yr Labor