Horizon Fitness T20 Treadmill Horizon Fitness Updated September 14, 2021 21:48 For the 2004 Horizon Fitness T20 Owner's Guide, please click here. For the 2004 Horizon Fitness T20 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 Drive Motor on a Treadmill T202-06 Treadmill Owner's Manual Horizon Fitness T202-04 Treadmill Horizon Fitness Evolve 3-02 Elliptical Treadmill Cable Routing During Assembly Comments 0 comments Please sign in to leave a comment.