Overview
The Dodge 121564 AK51 X 1″ FHP sheave is a light-duty, single-groove pulley designed for fractional horsepower (FHP) power transmission applications. Built as part of Dodge’s proven AK51 series, this sheave delivers consistent performance in small industrial equipment, fan drives, pump applications, and general machinery requiring dependable belt drive solutions. The fixed bore design with set screws ensures a secure fit on motor shafts while maintaining alignment and balance.
Key Features
- Light-duty Type 1A design optimized for fractional horsepower motors
- Single groove configuration for A-section V-belt operation
- 1″ face width provides ample contact surface for belt grip
- Cast iron construction ensures durability and long service life
- Fixed bore with set screws allows easy installation and removal
- Compact, proven design widely used in HVAC, agricultural, and light industrial equipment
Technical Specifications
- Model: Dodge AK51 X 1″
- Part Number: 121564
- Series: AK51 (Light Duty Type 1A)
- Groove Type: Single groove
- Face Width: 1 inch
- Belt Section: A-section V-belt
- Material: Cast iron
- Bore Type: Fixed bore with set screws
- Application: Fractional horsepower (FHP)
- Condition: New in box
Typical Applications
The Dodge 121564 sheave is commonly found in:
- Fractional horsepower fan and blower drives
- Small pump and motor applications
- HVAC equipment and heating systems
- Agricultural machinery and equipment
- Light industrial conveyors and drive systems
- Portable air compressors and similar compact devices
Compatibility & Replacements
Compatible With
- Fractional horsepower electric motors (A-section V-belt driven)
- Standard motor shafts with fixed bore sizing
- A-section V-belt systems and power transmission equipment
- Light-duty mechanical drive systems
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. This sheave is designed for AK51 series applications; confirm exact bore diameter and motor specifications match before installation.
Works With
- A-section V-belts (3L, 4L, and A cross-section standard)
- Standard set screw locking mechanisms
- Rigid motor mounts and fixed shaft applications
- Industrial and agricultural power transmission systems










