Horizon Fitness T91 Treadmill Horizon Fitness Updated October 06, 2021 17:58 For the 2009 Horizon Fitness T91 Owner's Guide, please click here. For the 2009 Horizon Fitness T91 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 How to Replace the Running Belt and Deck on a Treadmill. Horizon Fitness CT9.1 Treadmill Treadmill Master Reset Horizon Fitness Elite T9 Treadmill Horizon Fitness T92 Treadmill Comments 0 comments Please sign in to leave a comment.