Horizon Fitness CT61 Treadmill Horizon Fitness Updated September 16, 2021 19:42 For the 2006 Horizon Fitness CT61 Owner's Guide, please click here. For the 2006 Horizon Fitness CT61 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 CT5.0 Treadmill Horizon Fitness RST5.6 Treadmill Treadmill Pre-Set Programs How to Replace the Power Cord and Components on a Treadmill Comments 0 comments Please sign in to leave a comment.