Horizon Fitness DT650 Treadmill Horizon Fitness Updated September 16, 2021 19:40 For the 2006 Horizon Fitness DT650 Owner's Guide, please click here. For the 2006 Horizon Fitness DT650 Exploded Diagram, please click here. Was this article helpful? Yes No 0 out of 0 found this helpful Have more questions? Submit a request Related articles Horizon Fitness DT680 Treadmill What are Dimensions and Weight of Treadmills? When to Replace a Treadmill Belt Horizon Fitness DT850 Treadmill Horizon Fitness T605 Treadmill Comments 0 comments Please sign in to leave a comment.