Product Description
The Hydro-Gear ZJ-GMEF-3L7B-1PLX is a genuine OEM ZT-3100 hydrostatic transaxle engineered for commercial-duty and heavy residential zero-turn mowers. Built with Hydro-Gear's proven integrated hydrostatic drive system, the ZT-3100 provides smooth, reliable performance, excellent torque, and long service life in demanding mowing applications. The integrated Performance Package includes a charge pump, shock valves, hardened cut steel gears, and an external oil filter for improved durability and easy maintenance.
Designed as a direct OEM replacement, this transaxle combines the hydraulic pump, motor, reduction gearing, axle assembly, and braking system into one compact, serviceable unit that restores original equipment performance.