- Description
- Brand
- Operation Manual
The Balmar 60-Series High-Output Alternator is the world’s most popular upgrade for marine engines. Designed specifically to replace low-output, internally regulated stock alternators, the 60-Series delivers incredible charging power in a compact “small case” frame that fits into the tightest engine rooms. Fitted with a 3.15″ dual-foot mount, this alternator is the industry’s reliable workhorse for small to mid-sized sailing and cruising vessels.
Product Description.
- High Performance in a Compact Package: While stock alternators are typically designed for light automotive-style loads and short durations, the 60-Series is engineered for the heavy-duty cycles required to charge deep-cycle marine battery banks.
- Small Case Design: Engineered to be a direct-fit replacement for most stock alternators fitted by engine manufacturers like Yanmar, Westerbeke and Perkins.
- Isolated Ground: Standard isolated ground configuration protects your engine and drive train from stray current and electrolysis—a critical feature for aluminum and steel vessels.
- SmartReady® Technology: For ultimate reliability, the XT-DF features an integrated 14.1V SmartReady® internal regulator. This acts as a critical secondary “fail-safe” charging source for your vessel. While we recommend pairing this alternator with a Balmar MC-618 or MC-624 external regulator for superior multi-stage charging performance, the internal unit provides vital redundancy. Should your external regulation system ever encounter a fault, you can quickly switch to the internal backup to ensure your batteries stay charged and your essential navigation systems remain powered.
- Dual Internal Fans: Equipped with high-efficiency internal fans to maximize airflow and cooling, allowing the alternator to run cooler and maintain higher output for longer.
Why Choose the 60-Series?
- Optimized for External Regulation: While some stock alternators use simple internal regulators, the 60-Series is designed to work seamlessly with Balmar digital regulators. This allows for multi-stage “smart” charging that protects your batteries and reduces engine run time.
- Superior Low-RPM Charging: Unlike automotive alternators that require high engine speeds to produce power, the 60-Series is wound to provide substantial charging current at low RPMs, ensuring your batteries are being replenished while you are maneuvering or idling.
- Heavy-Duty Construction: Built with high-quality bearings and robust internal components designed to survive the vibration and moisture of a marine engine compartment.
Technical Specifications
- Output: 70, 100 and 120 Amps
- Voltage: 12 and 24V
- Mounting Style: 3.15″ Dual Foot
- Regulation: External with backup Internal
- Ground: Isolated
Installation Notes
- Pulley Requirements: High-output alternators place substantial mechanical load on your drive system. While a single V pulley is sufficient for the 12V 100A version, 24V 70A and 12V 120A models require at least a Dual V pulley to handle the increased torque. For maximum reliability and to prevent belt slippage, a multi-groove serpentine belt is strongly recommended.
- External Regulator: To achieve maximum efficiency and ensure proper battery health, this alternator should be used with an external P-type regulator (e.g., Balmar MC-618).
Country of Manufacture:
USA 
Brand
Balmar
Balmar has been serving the Recreational Marine Industry for over 30 years. We supply DC Charging Products and Battery Monitors to help sailors and power boaters charge and monitor their batteries more efficiently.
