Restore smooth brush deck operation with the Tennant / Nobles Actuator – Part #1050452. This replacement actuator controls the brush deck lift function, ensuring reliable raising and lowering for consistent cleaning performance. Designed as a direct replacement for part #606091, this actuator fits Tennant 5400 and T5 walk‑behind scrubbers, as well as Nobles Speed Scrub 24–32 walk‑behind models. Durable construction ensures dependable performance and long service life in commercial cleaning environments.