Horizon Fitness CT83 Treadmill Horizon Fitness Updated October 06, 2021 18:03 For the 2008 Horizon Fitness CT83 Owner's Guide, please click here. For the 2008 Horizon Fitness CT83 Owner's Guide in French, please click here. For the 2008 Horizon Fitness CT83 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 CT7.0 Treadmill How to Replace the Running Belt and Deck on a Treadmill. How to Replace the Analog Motor Control Board on a Treadmill Horizon Fitness CT9.1 Treadmill Horizon Fitness CT5.0 Treadmill Comments 0 comments Please sign in to leave a comment.