Trane SHE5388 4.75″ OD Single Groove Cast Iron Sheave, 7/8″ Fixed Bore, 3.3-4.8 Variable Pitch

Description

Trane SHE5388 Single Groove Cast Iron Sheave Overview

The Trane SHE5388 is a heavy-duty, single groove cast iron sheave engineered for reliable belt-drive performance in commercial and industrial HVAC applications. With a 4.75″ outside diameter and a 7/8″ fixed bore, this sheave delivers precise, consistent power transmission between blower motors and fan assemblies. The variable pitch range of 3.3 to 4.8 allows technicians to fine-tune belt drive ratios on the job, making it an ideal solution for balancing airflow and optimizing system efficiency without requiring a full component replacement.

Key Features

• 4.75″ outside diameter for compatibility with standard HVAC belt-drive systems
• 7/8″ fixed bore for secure, precise shaft mounting
• Variable pitch range of 3.3 to 4.8 for on-site drive ratio adjustment
• Single groove design for use with standard V-belts
• Cast iron construction for durability and long service life
• Genuine Trane OEM replacement part (SKU: SHE5388)

Applications

• Trane commercial air handling units and fan coil systems
• Belt-drive blower and fan assemblies
• HVAC systems requiring adjustable drive ratios for airflow balancing

Why Choose the Trane SHE5388?

As a genuine Trane OEM component, the SHE5388 sheave is manufactured to exact factory specifications, ensuring a proper fit and reliable operation. The variable pitch design gives HVAC technicians the flexibility to adjust fan speed and airflow without replacing the entire drive assembly — saving time and reducing service costs. Cast iron construction resists wear and deformation under continuous operation, making this sheave a dependable long-term investment for commercial HVAC maintenance programs.