Husqvarna 597561603 ZT-3100 Right-hand Transmission

Product Description

The HUSQVARNA 597561603 is a right-hand ZT-3100 hydrostatic transmission designed for zero-turn riding mowers. The ZT-3100 is a heavy-duty transaxle unit that converts engine power into smooth, variable-speed wheel drive, controlling the right-side drive wheel on the mower deck chassis. This assembly is a direct OEM-style replacement component intended for installation by qualified small-engine and outdoor power equipment technicians. It forms a core part of the drivetrain and is critical to the mower's steering and forward-reverse motion capability.

This right-hand transmission is applicable to HUSQVARNA zero-turn mowers equipped with the ZT-3100 transaxle drivetrain configuration. It is a right-side-specific unit and is not interchangeable with the left-hand counterpart. Typical installations occur in residential and light commercial zero-turn mower platforms where independent wheel-motor control provides the zero-turn radius function. Consult your mower's parts diagram to confirm the right-hand position before ordering.

Key Features

• Right-hand designated ZT-3100 hydrostatic transaxle for zero-turn mowers
• OEM part number 597561603 ensures direct-fit replacement
• Controls right-side drive wheel for independent wheel-speed steering
• Designed for HUSQVARNA zero-turn mower drivetrains
• Replaces a worn or failed hydrostatic transmission to restore full drive function

Compatibility

Designed as an OEM-style right-hand replacement transmission for HUSQVARNA zero-turn riding mowers equipped with the ZT-3100 transaxle system. Verify fitment against your unit's model and serial number using the official HUSQVARNA parts diagram before installation.

Installation Notes

Installation of a hydrostatic transaxle should be performed by a qualified outdoor power equipment technician. Disengage the spark plug wire and relieve any hydraulic pressure before removing the existing unit. Proper alignment of drive linkage and purging of the hydraulic system after installation is required for correct operation. Follow all manufacturer service manual procedures and applicable safety standards during removal and reinstallation.

Technical Specifications

• Drive Side: Right-Hand
• Transmission Type: ZT-3100 Hydrostatic Transaxle

Standard Information

• Brand: HUSQVARNA
• Manufacturer Part Number: 597561603