Xterra tr600 treadmill the xterra tr600 treadmill combines the quality performance and great looks you desire with the flexibility of a machine that can be easily folded up and stored away this treadmill is for the home environment incorporating thoughtful features that were developed with your performance and comfort in mind boasting a speed range up to 18km the tr600 is powered by a smooth and quiet 275 hp continuous duty motor exceptional performance is experienced through your cho