ZF 3321005149 – SD 10 SAE Long Input Shaft for SAE4, 1200 Nm, 394 mm Length

ID 1232930

1-2 weeks delivery time

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The ZF 3321005149 is a long SD 10 SAE input shaft designed for SAE4 marine systems. Made of corrosion-resistant high-strength steel alloy, it delivers 1200 Nm torque at up to 3000 RPM. Length: 394 mm; diameter: 63.5 mm. Ideal for ZF marine transmissions in high-torque, saltwater environments.

Description
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ZF 3321005149 – SD 10 SAE Long Input Shaft for SAE4, 1200 Nm, 394 mm Length

The ZF 3321005149 is a high-performance SD 10 SAE Long Input Shaft engineered for SAE4 marine transmission configurations. This robust component ensures smooth and efficient torque transmission from engine to gearbox in high-demand marine environments. Manufactured by ZF using high-strength steel alloy with a corrosion-resistant finish, it is built to endure saltwater exposure and heavy-duty usage. Precision-engineered for compatibility with ZF marine transmission systems, it offers dependable performance for yachts, commercial vessels, and industrial marine applications.

Key Features:

Designed for SAE4 configurations in marine propulsion systems
Long shaft design (394 mm) for extended fitment applications
Constructed from corrosion-resistant high-strength steel alloy
Delivers up to 1200 Nm (885 lb-ft) of torque capacity
Rated for continuous operation up to 3000 RPM
Precision-polished surface for smooth power transfer and reduced wear
Easy integration with ZF marine transmission systems
Reliable performance in high-torque and saltwater environments

Specifications:

Part Number	ZF 3321005149
Input Shaft Type	SD 10 SAE Long
SAE Rating	SAE4
Material	High-strength steel alloy with corrosion-resistant coating
Length	394 mm (15.5 inches)
Diameter	63.5 mm (2.5 inches)
Weight	3.85 kg (8.5 lbs)
Torque Capacity	1200 Nm (885 lb-ft)
Maximum Operating Speed	3000 RPM
Material Hardness	55–58 HRC (Rockwell)
Operating Temperature	-29°C to 121°C (-20°F to 250°F)
Surface Finish	Polished
Corrosion Resistance	High – suitable for saltwater exposure
Mounting Type	Direct bolt-on for SAE4 systems
Service Life	Up to 15,000 operational hours
Manufacturing Standard	ISO 9001 certified

Compatibility and Application:

This input shaft is designed for ZF marine transmission systems requiring SAE4 configurations. Its long reach and high torque handling make it ideal for marine vessels that operate in demanding saltwater environments. The ZF 3321005149 is a suitable choice for both new builds and replacement projects, delivering long-term reliability, low maintenance, and smooth power transfer.

Benefits:

Reliable torque delivery for marine propulsion systems
Corrosion-resistant materials extend lifespan in harsh marine environments
Precision fit for SAE4 applications ensures efficient installation
Supports continuous high-RPM and high-load operation
Ideal for commercial vessels, yachts, and heavy-duty marine systems
Reduces mechanical wear and vibration, enhancing system longevity
Meets ISO quality standards for marine-grade components