Description

Input Shaft for ZF Hurth HBW50/USD Marine Transmissions

This precision-machined input shaft is engineered for ZF Hurth HBW50 and USD series marine transmissions, providing the critical connection between the engine flywheel and transmission internal components. Essential for transmission rebuilds and input shaft replacement.

Key Features:

• Precision-machined input shaft for ZF Hurth HBW50/USD transmissions
• OEM-quality construction ensures proper fit and durability
• Hardened steel construction for strength and wear resistance
• Precision-ground splines and bearing surfaces
• Critical component for power transfer from engine to transmission
• Manufactured to exact ZF specifications and tolerances
• Essential for transmission rebuilds and input shaft service

Function & Importance:

The input shaft is a critical transmission component that connects to the engine flywheel (via the coupling or damper plate) and transfers engine torque into the transmission. It must be precisely machined to ensure proper bearing fit, spline engagement, and alignment. A worn or damaged input shaft can cause noise, vibration, bearing failure, and transmission damage.

Compatible Models:

• ZF Hurth HBW50 Marine Transmission
• ZF Hurth USD Series Marine Transmissions

When to Replace:

Input shaft replacement is necessary when experiencing worn splines, damaged bearing surfaces, bent shaft, or during complete transmission rebuilds. Inspect input shaft carefully during any transmission service for wear, scoring, or damage. Always replace if any defects are found to prevent future transmission failure.

Installation:

Professional installation required. Input shaft replacement requires complete transmission disassembly. Follow ZF rebuild procedures for proper bearing installation, clearance checks, and torque specifications. Ensure all mating components are inspected and replaced as needed.

Technical Specifications:

• Type: Input shaft
• Compatible Models: ZF Hurth HBW50, USD series
• Part Number: 326900