Overview
The Dodge 118306 (model 2A3.4B3.8-1610) is a precision Type A1 sheave engineered for dependable power transmission in industrial applications. This Taper-Lock sheave accepts standard 1610 bushings and accommodates bore sizes from 1/2 to 1-11/16 inches, making it versatile for retrofit and new installations. Built to ISO 9002 standards and manufactured under strict quality control, the Dodge 118306 delivers extended belt life and consistent performance in demanding operating environments.
Key Features
- Type A1 Sheave Design: Two-groove configuration supports both A and B cross-section V-belts for flexible drivetrain configurations
- Taper-Lock Bore: Accepts standard 1610 bushings; bore range of 1/2 to 1-11/16 inches accommodates multiple shaft sizes
- ISO 9002 Certified Manufacturing: Precision machining meets or exceeds OEM specifications for extended component life
- Cast Iron Construction: Robust material ensures durability in high-speed and high-load applications
- 4.15 Inch Outside Diameter: Efficient power transmission with compact footprint suitable for space-constrained installations
Technical Specifications
The Dodge 118306 offers the following critical parameters:
- Groove Configuration: 2 grooves for A and B cross-section V-belts
- Outside Diameter: 4.15 inches
- Pitch Diameter: 3.78/4.16 inches
- Face Width: 1-3/4 inches
- Bore Type: Taper-Lock
- Bore Range: 1/2 to 1-11/16 inches adjustable diameter
- Bushing Size: 1610
- Material: Cast iron
Typical Applications
The Dodge 118306 sheave is suited for:
- Fan and blower drives in HVAC systems
- Pump drive applications requiring consistent torque delivery
- Compressor belt drive assemblies
- General industrial power transmission where dual-groove V-belt compatibility is required
- Machinery retrofit installations requiring standard Taper-Lock bushing interfaces
Compatibility & Replacements
Compatible With
- A and B cross-section V-belts
- Standard 1610 Taper-Lock bushings
- Shafts with 1/2 to 1-11/16 inch bore diameter
- Industrial belt drive systems requiring Type A1 sheave geometry
Replaces / Drop-In Replacement For
The Dodge 118306 is a direct replacement for other Dodge Type A1 sheaves with matching 2A3.4B3.8-1610 specifications. Verify exact dimensions and bushing compatibility with your equipment OEM before installation.
Works With
- Dodge 1610 Taper-Lock bushings and related bushing kits
- Standard V-belt drive couplings and mounting hardware
- Industrial gearboxes and shaft-mounted equipment accepting Taper-Lock bores
- Pulley and sheave assemblies in modular belt drive systems

