Horizon Fitness T805 Treadmill Horizon Fitness Updated September 15, 2021 19:29 For the 2004 Horizon Fitness T805 Owner's Guide, please click here. For the 2004 Horizon Fitness T805 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 T800 Treadmill When to Replace a Treadmill Belt What are the Maximum User Weight for Treadmills? How to Fix a Treadmill that is Stopping and Starting How to Replace a Treadmill Power Cord Comments 0 comments Please sign in to leave a comment.