The WD Series Heavy-Duty Universal Joint Shaft is a robust, industrial-grade drive shaft designed for multi-angle power transmission in demanding environments. Featuring forged steel yokes and a precision-machined cross trunnion (cross shaft) assembly, this universal joint delivers reliable torque transmission with smooth operation. The flange mounting design allows easy integration into existing drivetrains, making it ideal for heavy machinery, steel mills, and industrial transmission systems.

Key Features

• Forged Steel Construction – Higher strength and deformation resistance than cast alternatives

• Cross Trunnion Design – Smooth multi-angle transmission with minimal vibration

• Flange Yoke Mounting – Easy installation and secure connection

• Multi-Angle Compensation – Handles angular misalignment for flexible drivetrain layouts

• Radial Deviation Compensation – Up to 1 mm radial offset capability

• Precision Machined – Accurate dimensions, stable operation

• Dynamic Balanced – Low vibration, low noise, extended equipment life

• High Load Capacity – Suitable for high-intensity industrial operations

• Wear Resistant – Long service life under continuous operation

Technical Specifications

Note: Specifications shown are for reference. Custom sizes and torque ratings available upon request.

Standard Models (Examples)

Full size range available. Non-standard dimensions manufactured per customer drawings.

Design & Operating Principle

The WD universal joint shaft consists of:

• Forged steel yokes (fork ends)

• Cross trunnion (cross shaft) with needle or sliding bearings

• Flange mounting for connection to driven/driving equipment

How it works:
The cross trunnion allows the shaft to transmit torque while operating at an angle. Each joint accommodates angular misalignment, and multiple joints can be combined for larger angles or offset shafts. The flange yoke provides a rigid, bolted connection for high-torque applications.

Key advantages:

• Multi-angle transmission (up to 45° per joint depending on configuration)

• Smooth power delivery with minimal vibration

• Rugged construction for harsh industrial environments

Applications

• Steel mills and metallurgical equipment

• Heavy-duty conveyors

• Paper and pulp machinery

• Mining and aggregate equipment

• Marine propulsion systems

• Agricultural machinery (PTO drives)

• Industrial mixers and agitators

• Rolling mill drives

• Test stands and dynamometers

• Railway track equipment

Why Choose Apexcoupling WD Series

• Factory direct – No middlemen, competitive pricing

• Forged steel construction – Superior strength and durability

• Precision machining – Accurate fit, smooth operation

• Dynamic balancing – Low vibration, quiet running

• Large inventory – Standard sizes ready to ship

• Custom manufacturing – Non-standard sizes per customer drawings

• Quality assurance – Complete after-sales support

Customization Services

As a factory-direct manufacturer, we offer:

• Custom bore diameters (metric or inch)

• Custom lengths and flange dimensions

• Different materials (alloy steel, stainless steel)

• Special surface treatments

• Keyways, splines, or other shaft connections

• Complete drive shaft assemblies with multiple joints

How to order custom:
Provide us with your drawing or specify: shaft diameter, length, torque requirement, operating angle, and mounting type. Our engineering team will provide a quote and technical support.

Related Products

• Precision Universal Joints – Single, double & telescopic joints for lighter applications

• JQ Series – Split clamp rigid coupling for vertical mixers

• DNCG Series – Stainless steel rigid coupling

• DBL41 Series – Double diaphragm keyless coupling (high torque)