Balmar Alternator 120 AMP 12V 3.15" Dual Foot Saddle Dual Pulley w/Isolated Ground

The Alternator 120 AMP 12V Dual Foot Saddle Dual Pulley is engineered for optimal performance in marine environments. Designed with an isolated ground and Hitachi-style mounting, this alternator ensures reliable power supply and seamless integration with a wide range of marine engines.

Product Features

• 120 Amp, 12V output for robust power supply
• Dual Foot Saddle Mount for enhanced stability
• 3.15-inch Dual Deep Vee Pulley for efficient power transfer
• Isolated Ground design to prevent electrical interference
• Hitachi-Style Mounting for easy installation

Technical Specifications

Specification	Details
Series	60 Series
Amperage	120A
Voltage	12V
Pulley Size	3.15 inches
Mount Type	Dual Foot Saddle Mount
Pulley Type	Dual Deep Vee
Ground Type	Isolated Ground
Mounting Style	Hitachi-Style

Engine Compatibility

This alternator is typically compatible with the following marine engines:

• Yanmar
• Westerbeke
• Lehman
• Perkins-Sabre

Replacement Information

If you are replacing an existing alternator, this product serves as a direct replacement for the model 60-120-SR-IG.

Customer Support

Please note: This product may not be returned to the original point of purchase. For any issues or concerns, please contact the manufacturer directly.

Additional Resources

Download the Brochure (PDF)

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.