Hydro-Gear ZU-GEEE-SBKB-1UXX Hydrostatic Transaxle for Zero-Turn Mowers

The Hydro-Gear ZU-GEEE-SBKB-1UXX is a hydrostatic transaxle designed for use in zero-turn riding mowers and commercial lawn equipment. Hydro-Gear is the industry-leading manufacturer of hydrostatic drive systems, and the ZU series transaxles are widely used as OEM components in equipment from major brands including Husqvarna, Ariens, Gravely, Toro, and others.

This unit integrates the hydraulic pump and motor into a single compact assembly, delivering smooth, variable-speed drive performance without the need for mechanical gear shifting. The hydrostatic design provides precise ground speed control and responsive handling, making it well-suited for demanding mowing applications.

Key Features:

• Hydrostatic transaxle combining pump and motor in one integrated unit
• ZU series design engineered for zero-turn mower applications
• Smooth, variable-speed operation without manual gear changes
• Heavy-duty construction built to OEM specifications
• Direct replacement for worn or failed original equipment transaxles
• Manufactured by Hydro-Gear, the industry standard in hydrostatic drive systems

The ZU-GEEE-SBKB-1UXX is a direct OEM-specification replacement transaxle. Always verify your equipment's model and serial number against the OEM parts diagram to confirm correct fitment before ordering. Refer to your equipment's service manual for proper installation torque values and fluid specifications.