Balmar XT-DF-250-J10 High-Output Marine Alternator 250 Amp 12V Dual Foot Saddle Mount

The Balmar XT-DF-250-J10 is a high-performance marine alternator designed to deliver exceptional charging power in a compact package. This professional-grade alternator features a state-of-the-art braided stator wire design that generates up to 250 amps at 12 volts, providing superior output for demanding marine electrical systems including lithium battery banks.

Advanced XT-Series Technology:

• 250 amp maximum output at 12 volts with up to 186 amps at idle speeds
• Braided stator wire design delivers exceptional output in the smallest possible footprint
• Runs 5-10°C cooler than previous AT-Series 200A models
• Dual fan cooling with high airflow frame design for reliable operation
• Smart Ready® internal regulator technology provides fault tolerance for cruising applications
• Case ground configuration for simplified installation

Mounting and Compatibility:

• Hitachi-style dual foot saddle mount with 3.15-inch spacing
• J10 AltMount serpentine pulley for optimal belt engagement
• Drop-in compatible for Yanmar, Westerbeke, Lehman, and Perkins-Sabre marine engines
• Replaces previous models: AT-DF-200-12-IG and AT-DF-200-J10
• Requires dual vee or multi-groove serpentine belt configuration

Designed specifically for recreational and cruising marine applications, this alternator provides the reliable high-output charging needed for modern marine electrical systems. USCG Title 33 compliant and ideal for lithium battery bank installations.

Note: May require Tachometer Signal Stabilizer (Part No. 15-TSS) if your current tachometer is not adjustable. Should only be used with multi-stage external regulators for optimal performance.